Pathophysiology For Nurses II (NSG 3850)/ NSG3850 Exam 3 | Complete Questions & Answers | 100% Updated 2026.

Pathophysiology For Nurses II (NSG 3850)/ NSG3850 Exam 3 | Complete Questions & Answers | 100% Updated 2026. 1. A 68-year-old female patient reports losing small amounts of urine whenever she sneezes, coughs, or bends over to pick up her grandchildren. She denies dysuria or sudden urinary urgency. Which underlying pathophysiological mechanism best accounts for this condition? A. Urinary retention and overdistention leading to mechanical overflow leakage B. Physical inability to access toilet facilities in a timely manner due to mobility limits C. Involuntary uninhibited contractions of the detrusor muscle during bladder filling D. Weakening of pelvic floor muscles and intrinsic urethral sphincter deficiency ### 2. A nurse is caring for an elderly male patient who experiences a sudden, overpowering need to urinate, immediately followed by involuntary urine leakage. Which pathophysiological dysfunction is primary to this type of incontinence? A. Overactive detrusor muscle contractions B. Cognitive impairment preventing recognition of bladder fullness C. Urethral stricture causing severe bladder outlet obstruction D. Loss of pelvic floor fascial support and urethral hypermobility ### 3. A male patient with benign prostatic hyperplasia (BPH) reports constant dribbling of urine, urinary frequency, and a feeling that his bladder never completely empties. Diagnostic assessment reveals an excessively distended bladder. Which type of incontinence is present? A. Overflow urinary incontinence B. Stress urinary incontinence C. Transient urinary incontinence D. Functional urinary incontinence ### 4. An elderly patient with severe osteoarthritis and a history of stroke has intact lower urinary tract neurological innervation but is unable to reach the bathroom in time to void, leading to urinary accidents. How should the nurse document this finding? A. Neurogenic detrusor overactivity B. Transient incontinence C. Functional incontinence D. Urgency urinary incontinence ### 5. A hospitalized client suddenly develops urinary incontinence following the initiation of high-dose intravenous loop diuretic therapy and severe fecal impaction. The nurse recognizes that this acute onset of urine leakage represents which classification? A. Mixed urinary incontinence B. Stress urinary incontinence C. Autonomic dysreflexia D. Transient incontinence ### 6. A 35-year-old female presents with persistent suprapubic pain accompanied by urinary frequency and dysuria for the past 8 months. Extensive urine cultures are negative for bacterial pathogens. The patient notes that voiding temporarily relieves her pelvic pain. Which diagnosis is supported? A. Autosomal dominant polycystic kidney disease B. Acute bacterial cystitis C. Bladder Pain Syndrome / Interstitial Cystitis (BPS/IC) D. Urolithiasis of the distal ureter ### 7. Which dietary modifications should the nurse emphasize when educating a client diagnosed with Interstitial Cystitis (IC) regarding exacerbating triggers? A. Eliminate all gluten-containing wheat products B. Increase intake of purine-rich meats and dairy products C. Avoid consumption of ETOH, caffeine, citrus juices, and hot peppers D. Strictly restrict dietary sodium and water intake ### 8. A postmenopausal female patient is evaluated for recurrent urethral irritation and dysuria. Diagnostic workup excludes sexually transmitted infections. What underlying etiology explains her non-infectious urethritis? A. Insufficient estrogen levels causing mucosal atrophy of the estrogen-dependent urethra B. Genetic defect in epithelial cell cilia within the collecting ducts C. Immune complex deposition within the urethral basement membrane D. Overactive parasympathetic stimulation of the internal urinary sphincter ### 9. A male client presents with purulent urethral discharge and severe burning with urination. Which microorganisms represent the most common infectious etiologies for acute urethritis in sexually active males? A. Escherichia coli and Proteus mirabilis B. Neisseria gonorrhoeae and Chlamydia trachomatis C. Clostridium difficile and Staphylococcus aureus D. Group A beta-hemolytic Streptococcus and Pseudomonas ### 10. A nurse is evaluating a clean-catch urinalysis for a patient with acute cystitis. Which organism is epidemiologically responsible for approximately 85% of community-acquired bacterial cystitis cases? A. Pseudomonas aeruginosa B. Klebsiella pneumoniae C. Escherichia coli D. Enterococcus faecalis ### 11. An 82-year-old female resident in a long-term care facility exhibits new-onset delirium, lethargy, and acute urinary incontinence. She denies dysuria or suprapubic pain. Which condition should the nurse suspect first? A. Uremic frost secondary to ESRD B. Acute cystitis (Urinary Tract Infection) C. Acute pyelonephritis with CVA tenderness D. Autosomal recessive polycystic kidney disease ### 12. What inherent physiological mechanisms normally clear bacterial pathogens from the healthy lower urinary tract and prevent infection? A. Retrograde peristalsis maintaining mucosal sterility B. Secretion of hyperosmolar alkaline fluid from the prostatic plexus C. Flushing and dilutional effects of voiding along with high urea concentration, high osmolarity, and low urinary pH D. Constant active phagocytosis by glomerular basement membrane podocytes ### 13. A pregnant patient presents with sudden onset of high fever, chills, nausea, vomiting, and severe flank pain at the costovertebral angle (CVA). Which upper urinary tract disorder is most consistent with these clinical features? A. Acute pyelonephritis B. Autosomal dominant polycystic kidney disease C. Chronic pyelonephritis D. Acute glomerulonephritis ### 14. Which pathognomonic urinalysis finding definitively confirms that an infection has ascended into the kidney parenchyma (acute pyelonephritis) rather than remaining confined to the lower urinary bladder? A. Bence Jones proteins B. Hyaline casts with glucose C. Dysmorphic red blood cell (RBC) casts D. White blood cell (WBC) casts ### 15. Which primary pathophysiological mechanism drives the development of chronic pyelonephritis? A. Ischemic necrosis of renal papillae secondary to heavy NSAID use B. Rapid genetic cyst expansion from tubular epithelial hyperproliferation C. Immune-mediated IgA antibody deposition in glomerular capillaries D. Persistent or recurrent vesicoureteral reflux of infected urine into the renal pelvis causing chronic inflammation and scarring ### 16. Imaging studies for a client with end-stage renal disease reveal small, atrophied kidneys with diffuse scarring and blunting of the calyces. Which condition does this anatomical pathology reflect? A. Chronic pyelonephritis B. Autosomal dominant polycystic kidney disease C. Acute tubular necrosis D. Goodpasture syndrome ### 17. A patient asks the nurse about the difference between nephrolithiasis and urolithiasis. Which statement accurately differentiates these two terms? A. Nephrolithiasis refers specifically to stones formed within the kidneys, whereas urolithiasis refers to stones formed anywhere in the urinary tract B. Nephrolithiasis involves uric acid stones, whereas urolithiasis involves calcium oxalate stones C. Nephrolithiasis affects only female patients, whereas urolithiasis is restricted to males D. Nephrolithiasis is caused by bacterial infection, whereas urolithiasis is strictly genetic ### 18. Which physiological state represents the primary prerequisite and most common precipitating factor for renal stone crystallization and calculus growth? A. Hyposaturation of urine with excessive solvent volume B. Systemic deficiency of parathyroid hormone C. Alkaline urinary pH with rapid transit time D. Supersaturation of urine solute enhanced by dehydration ### 19. A client presenting to the emergency department describes intense, spasmodic, sharp pain that originates in the flank and radiates down toward the ipsilateral groin and testicle, accompanied by nausea and diaphoresis. What does this specific pain pattern signify? A. Periumbilical pain migrating to McBurney's point B. Costovertebral angle tenderness from acute pyelonephritis C. Renal colic caused by calculus movement down the ureter D. Suprapubic bladder distention from functional retention ### 20. Which non-pharmacological strategy serves as a primary inhibitor to renal stone formation by reducing solute concentration? A. Consuming high amounts of purines and dietary sodium B. Maintaining adequate fluid intake to increase urine volume C. Strictly limiting dietary fiber consumption D. Engaging in prolonged bed rest and immobility ### 21. A 10-year-old child presents with smoky, coffee-colored urine, facial edema, hypertension, and oliguria 2 weeks after recovering from a severe streptococcal throat infection. What is the primary etiology of this renal disorder? A. Direct bacterial invasion of renal tubule epithelial cells by E. coli B. Autosomal recessive mutation in ductal cilia proteins C. Immune complex deposition following Group A beta-hemolytic Streptococcus infection D. Retrograde flow of infected urine secondary to neurogenic bladder ### 22. During the pathogenesis of post-streptococcal acute glomerulonephritis, what directly causes the damage to the glomerular capillary membrane and reduced GFR? A. Release of chemotactic factors attracting inflammatory cells and lysosomal enzymes that attack glomerular walls B. Direct mechanical trauma from sharp crystalline aggregates C. Prostatic hypertrophy producing retrograde hydrostatic pressure D. Inactivation of the renin-angiotensin-aldosterone system ### 23. Why does a patient with acute glomerulonephritis exhibit smoky or coffee-colored urine? A. Leakage of red blood cells (hematuria) through damaged, inflamed glomerular capillary membranes B. Excretion of excess conjugated bilirubin from hepatic necrosis C. Precipitation of calcium oxalate crystals in the ureters D. Presence of heavy purulent pus exudate from bacterial breakdown ### 24. Which persistent clinical manifestations in chronic glomerulonephritis are responsible for advancing sclerotic fibrotic changes and nephron atrophy over time? A. Persistent proteinuria and hypertension B. Hypokalemia and alkalosis C. Hypoglycemia and low serum BUN D. Unilateral flank pain and hypercalciuria ### 25. A adult client is admitted with massive generalized edema, severe hyperlipidemia, and hypoalbuminemia. A 24-hour urine collection demonstrates a protein loss of 4.2 grams/day. Which renal condition is present? A. Interstitial cystitis B. Nephrotic syndrome C. Acute pyelonephritis D. Prerenal acute kidney injury ### 26. What primary pathophysiological mechanism drives the development of generalized edema in a patient with nephrotic syndrome? A. Excessive loss of sodium in the urine producing volume depletion B. Loss of serum albumin (hypoalbuminemia) decreases blood colloid osmotic pressure, allowing fluid shift into interstitial spaces C. Increased intravascular oncotic pressure drawing fluid from cells D. Obstruction of collecting ducts by calcium oxalate crystals ### 27. A patient with nephrotic syndrome is noted to have significantly elevated serum cholesterol and triglycerides. What explains this hyperlipidemia? A. High dietary fat intake required to replace lost urinary calories B. Inability of the damaged renal tubules to reabsorb circulating lipids C. Overproduction of parathyroid hormone secondary to hyperphosphatemia D. Hypoalbuminemia stimulates generalized hepatic synthesis of lipoproteins ### 28. Patients with nephrotic syndrome possess a heightened risk for thromboembolism and venous thrombosis. What accounts for this hypercoagulable state? A. Direct suppression of bone marrow megakaryocytes B. Increased hepatic synthesis of clotting factors paired with urinary loss of anticoagulant proteins C. Massive accumulation of potassium ions in systemic arterioles D. Loss of red blood cells leading to severe hemoconcentration ### 29. What is the most common underlying cause of nephrotic syndrome in the adult population? A. Diabetes mellitus B. Post-streptococcal infection C. Nephrotoxic contrast dye D. Vesicoureteral reflux ### 30. A neonate presents with respiratory distress, palpable bilateral abdominal masses, and systemic hypertension. Diagnostic imaging confirms Autosomal Recessive Polycystic Kidney Disease (ARPKD). Which co-existing anomaly accounts for the severe neonatal respiratory distress? A. Pulmonary hypoplasia B. Tracheoesophageal fistula C. Barrett's esophagus D. Pleural effusion from uremic frost ### 31. A 48-year-old male client with a family history of kidney disease is evaluated for flank pain, hematuria, and hypertension. CT scan demonstrates bilaterally enlarged kidneys covered in numerous fluid-filled cysts, as well as cysts in the liver. Which genetic disorder is indicated? A. Autosomal Recessive Polycystic Kidney Disease (ARPKD) B. Autosomal Dominant Polycystic Kidney Disease (ADPKD) C. Acute glomerulonephritis D. Chronic pyelonephritis ### 32. In patients with Autosomal Dominant Polycystic Kidney Disease (ADPKD), how does cyst expansion lead to localized intrarenal ischemia and systemic hypertension? A. Expanding cysts compact and distort adjacent renal vasculature, reducing local blood flow and activating the intrarenal RAAS B. Expanded cysts cause severe intravascular hypovolemia and cardiac shock C. Cysts secrete excessive amounts of antidiuretic hormone directly into the bloodstream D. Cyst fluid destroys the pontine micturition center in the central nervous system ### 33. A client admitted with severe dehydration from gastroenteritis exhibits a rise in serum creatinine from 0.8 mg/dL to 1.4 mg/dL within 36 hours. According to clinical consensus criteria, how is Acute Kidney Injury (AKI) defined laboratory-wise? A. A sudden rise in GFR above 125 mL/min/1.73m² B. Urine output exceeding 2.0 mL/kg/hr for 12 consecutive hours C. A decrease in BUN by 50% over a 7-day period D. An increase in serum creatinine by 0.3 mg/dL within 48 hours ### 34. Using the RIFLE classification system for staging Acute Kidney Injury, which criteria correspond to the 'Failure' stage? A. Need for renal replacement therapy for 3 months B. Increased serum creatinine 1.5 times baseline or urine output 0.5 mL/kg/h for 6 hours C. Increased serum creatinine 3 times baseline or 4.0 mg/dL, or urine output 0.3 mL/kg/h for 12 hours / anuria for 12 hours D. Complete recovery of GFR with polyuria exceeding 3 liters/day ### 35. A patient suffering from severe acute hemorrhage and hypovolemic shock develops oliguria and an elevated BUN/creatinine ratio. Renal ultrasound shows normal renal parenchyma. What classification of AKI is present? A. Postrenal kidney injury B. Intrinsic kidney injury C. Prerenal kidney injury D. Chronic end-stage renal disease ### 36. How does the kidney initially compensate during an episode of prerenal hypoperfusion to maintain circulating blood volume? A. Inhibition of sympathetic nervous system activity B. Activation of the Renin-Angiotensin-Aldosterone System (RAAS) C. Suppression of antidiuretic hormone secretion D. Direct excretion of sodium and bicarbonate ions ### 37. A patient undergoing an emergency cardiac catheterization receives a high dose of IV iodinated radiocontrast media. Forty-eight hours later, the patient develops oliguria and tubular cast excretion. What is the primary cause of this intrinsic AKI? A. Acute tubular necrosis (ATN) secondary to nephrotoxic drug insult B. Genetic rupture of medullary collecting duct cysts C. Bacterial infection of the renal pelvis by E. coli D. Prostatic mechanical obstruction of the urethra ### 38. Which medications are known nephrotoxins that can induce intrinsic renal tubular injury (ATN)? A. Insulin, Levothyroxine, and Metoprolol B. Aminoglycosides, NSAIDs, Amphotericin B, and ACE inhibitors C. Diphenhydramine, Loratadine, and Albuterol D. Probiotics, Vitamin C, and Calcium carbonate ### 39. An elderly male client with a history of severe benign prostatic hyperplasia (BPH) is admitted with acute severe bilateral hydronephrosis and elevated BUN/creatinine. What type of AKI has occurred? A. Intrinsic glomerulonephritis B. Prerenal kidney injury C. Autosomal recessive polycystic kidney disease D. Postrenal kidney injury ### 40. During which phase of Acute Tubular Necrosis (ATN) does a patient experience severe oliguria, fluid volume overload, hyperkalemia, uremia, and metabolic acidosis? A. Prodromal phase B. Recovery phase C. Postoliguric (diuretic) phase D. Oliguric phase ### 41. A patient recovering from ischemic ATN enters the postoliguric phase. Which clinical manifestation should the nurse monitor for closely during this specific phase? A. Massive proteinuria exceeding 10 grams/day B. Sudden complete anuria requiring emergency dialysis C. Polyuria causing fluid volume deficit and electrolyte depletion D. Severe fluid volume overload with pulmonary edema ### 42. How is Chronic Kidney Disease (CKD) formally defined according to clinical guidelines? A. Decreased kidney function or kidney damage lasting for 3 months or more, or GFR 60 mL/min/1.73m² for 3 months B. Sudden elevation of serum creatinine by 0.3 mg/dL within 24 hours C. Presence of kidney stones on abdominal X-ray without GFR loss D. Temporary oliguria following extreme athletic exertion ### 43. Why does a patient's overall renal function and serum creatinine remain relatively normal during the early stages of Chronic Kidney Disease despite ongoing nephron destruction? A. Damaged nephrons rapidly regenerate new tubular epithelial cells B. The pontine micturition center increases voluntary sphincter pressure C. Remaining intact nephrons compensate by hypertrophy and increasing their individual clearance capacity D. The liver takes over the filtration of nitrogenous blood wastes ### 44. Which two clinical conditions represent the leading major risk factors for developing Chronic Kidney Disease (CKD)? A. Hypothyroidism and Osteoarthritis B. Diabetes mellitus and Hypertension C. Celiac disease and Appendicitis D. Asthma and Diverticulosis ### 45. A client's laboratory report indicates a Glomerular Filtration Rate (GFR) of 22 mL/min/1.73m². According to CKD staging, which stage is represented? A. Stage 2: Mildly decreased GFR B. Stage 4: Severely decreased GFR C. Stage 5: End-Stage Kidney Disease D. Stage 1: Normal GFR with kidney damage ### 46. Which GFR value defines Stage 5 Chronic Kidney Disease (End-Stage Kidney Disease)? A. GFR 90 mL/min/1.73m² B. GFR between 30 and 59 mL/min/1.73m² C. GFR 15 mL/min/1.73m² D. GFR between 60 and 89 mL/min/1.73m² ### 47. What causes systemic metabolic acidosis in patients progressing through advanced Chronic Kidney Disease? A. Overproduction of gastric hydrochloric acid by parietal cells B. Accumulation of circulating plasma albumin C. Inability of failing nephrons to excrete hydrogen ions and regenerate bicarbonate D. Excessive loss of carbon dioxide through Kussmaul respirations ### 48. Why do clients with End-Stage Kidney Disease (ESKD) develop severe renal osteodystrophy and spontaneous bone fractures? A. High urinary excretion of phosphorus strips calcium from matrix B. Hyperphosphatemia depresses serum calcium, and failing kidneys cannot convert Vitamin D to its active form or reabsorb calcium C. Excessive calcitonin secretion causes severe bone demineralization D. Uremic frost directly erodes epiphyses of long bones ### 49. A client with advanced CKD exhibits severe pallor, fatigue, and a hemoglobin level of 7.8 g/dL. What primary pathophysiological defect causes anemia in chronic kidney disease? A. Chronic loss of blood through gastrointestinal varices B. Impaired erythropoietin production by damaged kidney tissue C. Autoimmune hemolysis triggered by immune complexes D. Direct destruction of circulating platelets by uremic toxins ### 50. A client with ESKD displays severe intractable pruritus, uremic frost on the skin, dermatitis, and a metallic taste in the mouth. What explains these clinical findings? A. Acute viral infection of the peripheral dorsal root ganglia B. Fluid volume deficit from excessive postoliguric diuresis C. Systemic histamine release secondary to severe food allergies D. Uremic syndrome from the systemic accumulation of metabolic nitrogenous waste products ### 51. Which clinical scenario represents an absolute indication for emergency initiation of dialysis in a client with kidney failure? A. Trace proteinuria on a routine dipstick screening test B. Mild fatigue accompanied by a GFR of 55 mL/min/1.73m² C. Asymptomatic elevation of serum creatinine to 1.8 mg/dL D. Severe hyperkalemia unresponsive to medical therapy or life-threatening fluid volume overload ### 52. What is the preferred permanent vascular access for long-term hemodialysis, typically created surgically in the patient's forearm? A. Tenckhoff peritoneal catheter B. Subclavian central double-lumen catheter C. Femoral venous line D. Arteriovenous (AV) fistula ### 53. A client undergoing hemodialysis completes a 4-hour treatment. Which vital sign abnormality is the patient at heightened risk for immediately following the session? A. Severe hypotension B. Hypertensive crisis C. Bradypnea with metabolic alkalosis D. High fever with rigors ### 54. A patient performing continuous ambulatory peritoneal dialysis (CAPD) at home reports that the returned dialysate effluent is cloudy, and complains of diffuse abdominal pain and fever. What complication should be suspected? A. Inguinal hernia rupture B. Peritonitis C. Toxic megacolon D. Acute pyelonephritis ### 55. How is clinical constipation defined based on general guidelines? A. Presence of gross bright red blood coated on normal soft stools B. Small, infrequent, or difficult bowel movements consisting of fewer than three stools per week C. More than four liquid stools per day for two consecutive weeks D. Cyclical alternating diarrhea and vomiting following food ingestion ### 56. An elderly immobilized bedridden patient with chronic constipation develops continuous leakage of liquid fecal material around a hard, firm mass in the rectum. What condition has developed? A. Ulcerative colitis B. Fecal impaction C. Intussusception D. Secretory diarrhea ### 57. A patient ingests a high dose of non-absorbable magnesium sulfate. Shortly after, the patient experiences watery diarrhea. Which pathophysiological mechanism explains this diarrhea? A. Osmotic diarrhea caused by poorly absorbed osmotically active solutes drawing water into the bowel lumen B. Exudative diarrhea from severe mucosal crypt ulceration C. Secretory diarrhea from bacterial enterotoxin stimulation D. Motility disturbance from intestinal surgical resection ### 58. Ingestion of preformed bacterial enterotoxins from Vibrio cholerae or Staphylococcus aureus triggers massive fluid loss exceeding 1 Liter/day. Which class of diarrhea does this represent? A. Osmotic diarrhea B. Secretory diarrhea C. Motility disturbance diarrhea D. Functional constipation ### 59. Inflammatory bowel diseases like Ulcerative Colitis and Crohn's Disease cause diarrhea characterized by large amounts of blood, mucus, and protein in the stool. How is this diarrhea classified? A. Motility disturbance diarrhea B. Osmotic diarrhea C. Secretory diarrhea D. Exudative diarrhea ### 60. A patient presenting with painful ulcerative inflammation of the oral mucosa, buccal lips, and palate is diagnosed with stomatitis. What are known precipitating factors? A. High dietary intake of indigestible cellulose fiber B. Autosomal dominant mutations in kidney collecting ducts C. Overuse of phosphate-binding antacids D. Pathogenic bacteria/viruses, mechanical trauma, alcohol, tobacco, chemotherapy, and vitamin deficiencies ### 61. A client develops tingling and itching around the lip, followed by the eruption of small vesicles on an erythematous base that rupture to form painful ulcers. Which pathogen is responsible? A. Clostridium difficile B. Escherichia coli C. Helicobacter pylori D. Herpes Simplex Virus (HSV) ### 62. Where does the Herpes Simplex Virus (HSV) remain latent in the body between symptomatic cold sore outbreaks? A. Glomerular basement podocytes B. Dorsal root / sensory ganglia of the spinal cord C. Crypts of Lieberkühn in the colon D. Parietal cells of the stomach ### 63. What is the primary underlying cause of Gastroesophageal Reflux Disease (GERD)? A. Autoimmune destruction of parietal cells in the gastric fundus B. Conditions or agents that lower the closure strength/pressure of the Lower Esophageal Sphincter (LES) or increase intra-abdominal pressure C. Excessive anti-peristaltic contractions of the jejunum D. Hypersecretion of alkaline pancreatic juice into the duodenum ### 64. Which agents and lifestyle factors are known to decrease Lower Esophageal Sphincter (LES) pressure and worsen GERD symptoms? A. Histamine H2 receptor antagonists and PPIs B. Fatty foods, caffeine, alcohol, cigarette smoking, pregnancy, and calcium channel blockers C. Probiotics, oral iron supplements, and protein powders D. High fiber diet, standing upright after meals, and weight loss ### 65. A client with a 15-year history of severe untreated GERD undergoes endoscopy. Biopsy shows that the normal squamous epithelium of the distal esophagus has been replaced by columnar tissue. What condition and complication are represented? A. Celiac sprue, which causes severe intestinal villous atrophy B. Hiatal hernia, which triggers acute necrotizing pancreatitis C. Barrett's esophagus, which carries a significant risk for esophageal cancer D. Cameron ulcers, which cause severe distal ileal perforation ### 66. What anatomical defect defines a Hiatal Hernia? A. A defect in the diaphragm that allows a portion of the stomach to pass into the thorax B. Telescoping of a proximal bowel segment into an adjacent distal segment C. Herniation of the mucosal crypts through the muscular wall of the sigmoid colon D. Protrusion of the bladder neck through the pelvic floor fascia ### 67. Which factors contribute to the development of a hiatal hernia by increasing intra-abdominal pressure? A. Hypothyroidism, bradycardia, and prolonged bed rest B. Frequent voiding, high fluid intake, and low dietary sodium C. Ascites, pregnancy, obesity, and chronic straining or coughing D. Antibiotic usage, leukocytosis, and low intraluminal colonic pressure ### 68. Acute gastritis is commonly precipitated by the ingestion of which irritating substances? A. Acetaminophen, insulin, and multivitamins B. Dairy products, warm milk, and antacids C. Alcohol, aspirin, and NSAIDs D. Cellulose fiber, water, and probiotics ### 69. Which bacterial pathogen is nearly always a key factor in the pathogenesis of chronic gastritis and peptic ulcer disease? A. Helicobacter pylori B. Escherichia coli C. Neisseria gonorrhoeae D. Clostridium difficile ### 70. A client evaluated for epigastric pain reports that the pain occurs on an empty stomach and is characteristically RELIEVED by eating food or antacids. Which ulcer type does this classic symptom pattern describe? A. Duodenal ulcer B. Cameron ulcer C. Gastric ulcer D. Esophageal ulcer ### 71. A patient with a gastric ulcer experiences mid-epigastric burning pain. How does food ingestion typically affect gastric ulcer pain compared to duodenal ulcer pain? A. Gastric ulcer pain is relieved only by consuming hot peppers and citrus B. Food ingestion completely eliminates gastric ulcer pain for 12 hours C. Food ingestion triggers or worsens gastric ulcer pain, often leading to weight loss D. Gastric ulcer pain occurs exclusively during deep sleep ### 72. Where does inflammation initially begin in Ulcerative Colitis, and what is its pattern of progression? A. Begins in the stomach and moves into the duodenum as discrete ulcers B. Begins at the base of the crypts of Lieberkühn in the rectum and advances proximally in a continuous pattern C. Begins in the terminal ileum and spreads sporadically with skip lesions to the mouth D. Begins in the vermiform appendix and spreads to the gallbladder ### 73. A client with acute severe Ulcerative Colitis develops high fever, marked abdominal distention, severe localized tenderness, and signs of shock. Abdominal X-ray shows massive colonic dilation. Which life-threatening complication has occurred? A. Barrett's esophagus B. Sliding hiatal hernia C. Toxic Megacolon D. Ogilvie syndrome ### 74. A 26-year-old client presents with chronic intermittent right lower quadrant (RLQ) abdominal pain, fever, weight loss, and recurrent perianal fissures. Histopathologic analysis of bowel biopsy specimens reveals granulomas. Which diagnosis is established? A. Celiac sprue B. Diverticulosis C. Crohn's Disease D. Ulcerative Colitis ### 75. How do deep linear ulcers and transmural inflammation in Crohn's Disease lead to abnormal passage formation between the bowel and adjacent organs (e.g., bladder or skin)? A. Deep fissures penetrate through all layers of the intestinal wall, developing into fistulas B. Herniation of mucosa occurs through low fiber intake forming outpouchings C. Hypersecretion of IgA immunoglobulins dissolves the pelvic floor fascia D. Rapid emptying of hyperosmolar chyme pulls water through mucosal capillaries ### 76. A client who has been receiving high-dose broad-spectrum intravenous antibiotics for 3 weeks develops profuse, foul-smelling, watery/bloody diarrhea, leukocytosis, and fever. Stool testing confirms Antibiotic-Associated Pseudomembranous Colitis. What is the causative organism? A. Helicobacter pylori B. Clostridium difficile C. Escherichia coli O157:H7 D. Giardia lamblia ### 77. What is the immediate priority medical intervention for a patient diagnosed with C. difficile Antibiotic-Associated Colitis? A. Encourage high intake of dietary fiber and purine-rich foods B. Perform emergency total gastrectomy C. Administer loperamide antidiarrheal agents to stop bowel movements D. Discontinue the offending broad-spectrum antibiotic and initiate C. diff targeted antibiotic therapy ### 78. A 19-year-old male presents with generalized periumbilical pain that subsequently localizes to the Right Lower Quadrant (RLQ) at McBurney's point, accompanied by nausea, low-grade fever, and rebound tenderness. What condition is present? A. Diverticulitis B. Appendicitis C. Gastroenteritis D. Gastritis ### 79. What primary mechanical event triggers acute appendicitis? A. Autoimmune destruction of intestinal villi by gliadin B. Excessive production of active Vitamin D by kidney tubules C. Loss of Lower Esophageal Sphincter pressure D. Obstruction of the appendiceal lumen ### 80. What primary dietary deficit predisposes individuals to the development of colonic diverticulosis? A. Low intake of dietary fiber B. Lack of refined sugar and simple carbohydrates C. Excessive intake of oral water and fluids D. Low intake of saturated animal fats ### 81. A client with known diverticular disease presents with acute Left Lower Quadrant (LLQ) abdominal pain, fever, and leukocytosis. What condition has developed? A. Appendicitis B. Diverticulitis C. Celiac sprue crisis D. Duodenal ulcer perforation ### 82. A 30-year-old female reports alternating episodes of constipation and diarrhea accompanied by abdominal cramping pain that is characteristically RELIEVED following a bowel movement. Extensive diagnostic workup shows NO identifiable structural or pathologic process. What is the diagnosis? A. Ulcerative Colitis B. Mechanical small bowel obstruction C. Crohn's Disease D. Irritable Bowel Syndrome (IBS) ### 83. Which condition is epidemiologically recognized as the most common cause of mechanical small bowel obstruction in patients with a history of prior abdominal surgery? A. Paralytic functional ileus B. Volvulus of the sigmoid colon C. Abdominal surgical adhesions D. Intussusception ### 84. A nurse assesses a patient 2 days after major abdominal surgery. The patient has abdominal distention and nausea, and auscultation reveals a complete ABSENCE of bowel sounds with no physical mechanical blockage. Which condition is present? A. Toxic megacolon from C. diff B. Strangulated groin hernia C. Mechanical bowel obstruction from adhesions D. Functional bowel obstruction (Paralytic ileus) ### 85. An adult client presents with severe diarrhea, abdominal distention, weight loss, and iron-deficiency anemia. Duodenal biopsy demonstrates marked atrophy of the intestinal villi. Symptoms resolve when wheat, barley, and rye are removed from the diet. What is the diagnosis? A. Gastroesophageal varices B. Dumping syndrome C. Short bowel syndrome D. Celiac Disease (Celiac Sprue) ### 86. Which pathological alteration occurs in Celiac Disease that causes malabsorption of nutrients? A. Hypertrophy of colonic crypts of Lieberkühn with crypt abscesses B. Atrophy of intestinal villi with decreased brush border surface area and digestive enzymes C. Rapid emptying of hyperosmolar chyme drawing fluid into the stomach D. Outpouching of mucosa through muscularis layer from high pressure ### 87. A client who underwent a subtotal gastrectomy 1 month ago complains of weakness, dizziness, palpitations, sweating, and abdominal cramps 20 minutes after eating a meal high in carbohydrates, followed by diarrhea. What condition is occurring? A. Chronic pyelonephritis B. Dumping Syndrome C. Short bowel syndrome D. Hirschsprung disease ### 88. Why does a client with Dumping Syndrome experience sudden lightheadedness, sweating, and tachycardia 1 to 3 hours AFTER a high-carbohydrate meal (late phase)? A. Bacterial enterotoxins destroy the Lower Esophageal Sphincter B. Rapid glucose absorption triggers excessive insulin secretion (hyperinsulinemia), causing rebound hypoglycemia C. Massive fluid retention causes severe acute systemic hypertension D. Uremic frost accumulates on the skin, suppressing arterial baroreceptors ### 89. Following extensive surgical resection of the terminal ileum for Crohn's Disease, a patient develops severe diarrhea and malabsorption. Which parenteral/injection replacement therapy will this patient require lifelong? A. Oral calcium carbonate tablets B. Intravenous vancomycin infusions C. Subcutaneous insulin injections D. Intramuscular (IM) Vitamin B12 injections ### 90. Why does surgical removal of the ileocecal valve in Short Bowel Syndrome significantly worsen diarrhea and nutrient malabsorption? A. The ileocecal valve is the primary site for hepatic enzyme synthesis B. Removal of the valve prevents the liver from synthesizing clotting factors C. Loss of the ileocecal valve eliminates regulation of intestinal transit time, causing chyme to transit too rapidly for absorption D. The valve normally secretes hydrochloric acid to break down fats ### 91. A client with long-standing alcoholic liver cirrhosis presents with massive hematemesis and melena (dark tarry stools). Diagnostic workup reveals dilated submucosal veins in the lower esophagus. What is the underlying cause of these varices? A. Primary adenocarcinoma of the stomach B. Autoimmune destruction of the stomach mucosa by H. pylori C. Retrograde urine backflow from neurogenic bladder D. Portal hypertension ### 92. A patient with bleeding gastroesophageal varices is admitted to the ICU. The nurse recognizes that during an acute episode of variceal hemorrhage, when is the risk of rebleeding at its absolute highest? A. Between 2 and 4 weeks post-hemorrhage B. Immediately after total surgical colectomy C. Within the first 72 hours following the initial bleeding episode D. Exactly 6 months after starting blood transfusions ### 93. Which neurological center located in the brainstem is responsible for coordinating relaxation of the internal urinary sphincter and contraction of the bladder detrusor muscle during voiding? A. Pontine micturition center B. Basal ganglia substantia nigra C. Cerebral cortex frontal lobe D. Hypothalamic osmoreceptor plexus ### 94. Which type of renal stone accounts for the vast majority of kidney calculi cases in clinical practice? A. Pure uric acid stones B. Cystine stones C. Struvite staghorn stones D. Calcium oxalate stones ### 95. A patient with chronic pyelonephritis develops progressive renal scarring. Which primary pathophysiological event causes functional loss in chronic pyelonephritis? A. Ongoing chronic inflammation leading to parenchymal fibrosis, calyceal blunting, and loss of functional nephrons B. Sudden loss of external urinary sphincter motor innervation C. Immune complex attack on distal esophageal columnar cells D. Rapid multiplication of fluid-filled cysts in cortex podocytes ### 96. A patient with Chronic Kidney Disease exhibits severe systemic edema, hypertension, pulmonary crackles, and jugular venous distention. What pathophysiological state produces these signs during the oliguric phase of kidney failure? A. Hypovolemia secondary to massive osmotic diuresis B. Hypervolemia secondary to impaired renal sodium and water excretion C. Severe systemic vasodilation from septic shock D. Third-spacing of fluid caused by high serum albumin ### 97. What is the primary physiological mechanism by which high fiber intake prevents both constipation and diverticulosis? A. Fiber bulks up the digestive bolus and retains water, promoting peristalsis and lowering intraluminal colonic pressure B. Fiber directly neutralizes hydrochloric acid in the stomach lumen C. Fiber inactivates Clostridium difficile bacterial toxins D. Fiber binds circulating erythropoietin to stimulate bone marrow ### 98. A client with end-stage renal disease demonstrates uremic frost on the skin and dermatitis. What chemical compounds precipitate on the skin surface to create uremic frost? A. Crystallized urea and nitrogenous waste products excreted through sweat glands B. Unconjugated bilirubin pigments leaking from necrotic hepatocytes C. Calcium oxalate crystals extruded from dermal capillaries D. Excessive glucose molecules excreted via eccrine pores ### 99. A client presents with signs of intestinal obstruction including projectile vomiting, severe dehydration, and rapid electrolyte depletion. Which anatomical site of obstruction is most consistent with early projectile vomiting? A. Rectal ampulla B. Distal ileum C. Sigmoid colon D. Upper jejunal area of the small bowel ### 100. A patient with liver cirrhosis develops gastroesophageal varices that bleed profusely. Which laboratory abnormal finding exacerbates the risk of ongoing hemorrhage in cirrhotic patients? A. Increased serum erythropoietin levels B. Leukocytosis with neutrophilia C. Hyperphosphatemia secondary to hyperparathyroidism D. Coagulopathy secondary to impaired hepatic synthesis of clotting factors