NR 283 EXAM 3 (CHAMBERLAIN) NEWEST 2026/ 2027
ACTUAL EXAM| NR283 PATHOPHYSIOLOGY EXAM 3
REVIEW WITH COMPLETE E 150 REAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ (BRAND NEW!!)
NR283 Pathophysiology Exam 3 Study Guide (2025-2026)
This guide covers the major systems and concepts you need to master for Exam 3.
Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
RBC Function: Tissue oxygenation,
biconcave shape, 120-day lifespan,
hemoglobin. Anemia S/S: Fatigue,
Erythropoiesis: Production of RBCs in weakness, pallor, dyspnea.
bone marrow, stimulated Specific signs:
by erythropoietin (produced by kidneys). • Pernicious: Paresthesias .
Anemia Types: • Folate: Cheilosis, stomatit
• Pernicious Anemia: Vitamin B12 • Iron Deficiency: Koilonych
Hematology
deficiency due to lack of intrinsic factor. (spoon nails), sore tongue .
• Folate Deficiency: Impaired DNA • Sideroblastic: Signs of iron
synthesis; seen in alcoholics. overload .
• Iron Deficiency (most Polycythemia Vera: Increas
common): Insufficient iron for blood viscosity → risk of
hemoglobin; stages of development. clogging/occlusion of vessel
• Sideroblastic Anemia: Problem with
hemoglobin synthesis; iron not used
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
correctly.
Polycythemia Vera: Excess RBC
production due to genetic alteration;
increased blood viscosity.
Intracranial Pressure (ICP):
• Causes of Increased ICP: Brain tumor,
subdural hematoma, meningitis,
excessive CSF .
• Cushing's Triad (late
sign): Hypertension, bradycardia,
irregular respirations . Increased ICP: Headache,
• Complications: Papilledema, potential vomiting, decreased LOC, pu
for brain herniation. changes (CN III compression
Seizures: Caused by an increase in Cushing's Triad .
excitatory activity or decrease in Seizure Activity: Loss of
Neurological inhibitory activity (GABA) . consciousness, involuntary
• Causes: High fever, head injury, brain movements, aura, postictal
infection, electrolyte imbalances . state .
• Types: Generalized (tonic-clonic, Neuropathy: Burning pain,
absence) vs. focal. numbness, tingling (especia
Neurotransmitters & Sensory in feet), hypersensitivity .
Perception:
• GABA: Inhibitory; has anti-seizure
effects .
• Sensory deficits: Can be caused by
nerve damage or inhibition of
neurotransmitters .
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
Pancreas:
• Type 1 DM: Autoimmune destruction of
beta cells → insulin deficiency .
• Hyperglycemia: Increased thirst
(polydipsia), hunger (polyphagia),
urination (polyuria) .
• Hypoglycemia: Tremors, diaphoresis,
tachycardia, confusion, hunger .
Pituitary: DKA/HHS: Dehydration,
• Diabetes Insipidus: ADH deficiency or Kussmaul respirations, fruity
resistance → polyuria, polydipsia . breath, altered LOC .
Thyroid: Addisonian Crisis: Severe
• Hyperthyroidism: Heat intolerance, hypotension, shock, acute
Endocrine
weight loss, tachycardia, tremors, abdomen .
exophthalmos . Thyrotoxic Crisis
• Hypothyroidism: Cold intolerance, (Storm): Hyperpyrexia,
weight gain, bradycardia, constipation, tachycardia, agitation,
lethargy . delirium .
Adrenal:
• Addison's Disease: Cortisol &
aldosterone deficiency → hyponatremia,
hyperkalemia, hypotension, fatigue .
Parathyroid:
• Hypoparathyroidism: Hypocalcemia →
tetany, Chvostek's sign,
numbness/tingling .
GERD: GERD: Heartburn,
Gastrointestinal • Pathophysiology: Loss of lower regurgitation, dysphagia .
esophageal sphincter (LES) tone . Hiatal Hernia: Heartburn af
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
• Complications: Esophagitis, Barrett eating, dysphagia, epigastric
esophagus, stricture, cough, laryngitis, discomfort .
OM . PUD: Epigastric pain
Peptic Ulcer Disease (PUD): (duodenal: pain relieved by
• Cause: Breaks in mucosa + corrosive food; gastric: pain worsened
secretions (H. pylori, NSAIDs) . food).
• Types: Gastric, duodenal (more Pernicious Anemia: Results
common). Stress ulcers: Cushing (brain from chronic gastritis (loss o
surgery), Curling (burns) . intrinsic factor) .
Diarrhea:
• Secretory: Bacterial infection .
• Osmotic: Nonabsorbable substance
(e.g., lactose intolerance) .
Intestinal Obstruction:
• Large bowel: Hypogastric pain,
abdominal distention .
Gastritis:
• Chronic: Classified by location (Type A -
fundal, Type B - antral) .
Skin Lesions: HSV: Mild tingling precedes
• Primary lesions: Macule, papule, lesion development; spread
vesicle, pustule . saliva, lesion fluid,
• Vesicle: Raised, thin-walled lesion autoinoculation .
containing clear fluid . Pruritic Lesions: Risk of
Integumentary
Infections: secondary infection from
• Bacterial (Staph): Furuncles, impetigo scratching (introduces resid
(highly contagious) . flora) .
• Viral: Herpes simplex (HSV), herpes Tinea Capitis: Fungal infecti
zoster (shingles), tinea (fungal) . of the scalp .
ACTUAL EXAM| NR283 PATHOPHYSIOLOGY EXAM 3
REVIEW WITH COMPLETE E 150 REAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+ (BRAND NEW!!)
NR283 Pathophysiology Exam 3 Study Guide (2025-2026)
This guide covers the major systems and concepts you need to master for Exam 3.
Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
RBC Function: Tissue oxygenation,
biconcave shape, 120-day lifespan,
hemoglobin. Anemia S/S: Fatigue,
Erythropoiesis: Production of RBCs in weakness, pallor, dyspnea.
bone marrow, stimulated Specific signs:
by erythropoietin (produced by kidneys). • Pernicious: Paresthesias .
Anemia Types: • Folate: Cheilosis, stomatit
• Pernicious Anemia: Vitamin B12 • Iron Deficiency: Koilonych
Hematology
deficiency due to lack of intrinsic factor. (spoon nails), sore tongue .
• Folate Deficiency: Impaired DNA • Sideroblastic: Signs of iron
synthesis; seen in alcoholics. overload .
• Iron Deficiency (most Polycythemia Vera: Increas
common): Insufficient iron for blood viscosity → risk of
hemoglobin; stages of development. clogging/occlusion of vessel
• Sideroblastic Anemia: Problem with
hemoglobin synthesis; iron not used
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
correctly.
Polycythemia Vera: Excess RBC
production due to genetic alteration;
increased blood viscosity.
Intracranial Pressure (ICP):
• Causes of Increased ICP: Brain tumor,
subdural hematoma, meningitis,
excessive CSF .
• Cushing's Triad (late
sign): Hypertension, bradycardia,
irregular respirations . Increased ICP: Headache,
• Complications: Papilledema, potential vomiting, decreased LOC, pu
for brain herniation. changes (CN III compression
Seizures: Caused by an increase in Cushing's Triad .
excitatory activity or decrease in Seizure Activity: Loss of
Neurological inhibitory activity (GABA) . consciousness, involuntary
• Causes: High fever, head injury, brain movements, aura, postictal
infection, electrolyte imbalances . state .
• Types: Generalized (tonic-clonic, Neuropathy: Burning pain,
absence) vs. focal. numbness, tingling (especia
Neurotransmitters & Sensory in feet), hypersensitivity .
Perception:
• GABA: Inhibitory; has anti-seizure
effects .
• Sensory deficits: Can be caused by
nerve damage or inhibition of
neurotransmitters .
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
Pancreas:
• Type 1 DM: Autoimmune destruction of
beta cells → insulin deficiency .
• Hyperglycemia: Increased thirst
(polydipsia), hunger (polyphagia),
urination (polyuria) .
• Hypoglycemia: Tremors, diaphoresis,
tachycardia, confusion, hunger .
Pituitary: DKA/HHS: Dehydration,
• Diabetes Insipidus: ADH deficiency or Kussmaul respirations, fruity
resistance → polyuria, polydipsia . breath, altered LOC .
Thyroid: Addisonian Crisis: Severe
• Hyperthyroidism: Heat intolerance, hypotension, shock, acute
Endocrine
weight loss, tachycardia, tremors, abdomen .
exophthalmos . Thyrotoxic Crisis
• Hypothyroidism: Cold intolerance, (Storm): Hyperpyrexia,
weight gain, bradycardia, constipation, tachycardia, agitation,
lethargy . delirium .
Adrenal:
• Addison's Disease: Cortisol &
aldosterone deficiency → hyponatremia,
hyperkalemia, hypotension, fatigue .
Parathyroid:
• Hypoparathyroidism: Hypocalcemia →
tetany, Chvostek's sign,
numbness/tingling .
GERD: GERD: Heartburn,
Gastrointestinal • Pathophysiology: Loss of lower regurgitation, dysphagia .
esophageal sphincter (LES) tone . Hiatal Hernia: Heartburn af
, Clinical Manifestations &
Topic Area Key Concepts to Review
Complications
• Complications: Esophagitis, Barrett eating, dysphagia, epigastric
esophagus, stricture, cough, laryngitis, discomfort .
OM . PUD: Epigastric pain
Peptic Ulcer Disease (PUD): (duodenal: pain relieved by
• Cause: Breaks in mucosa + corrosive food; gastric: pain worsened
secretions (H. pylori, NSAIDs) . food).
• Types: Gastric, duodenal (more Pernicious Anemia: Results
common). Stress ulcers: Cushing (brain from chronic gastritis (loss o
surgery), Curling (burns) . intrinsic factor) .
Diarrhea:
• Secretory: Bacterial infection .
• Osmotic: Nonabsorbable substance
(e.g., lactose intolerance) .
Intestinal Obstruction:
• Large bowel: Hypogastric pain,
abdominal distention .
Gastritis:
• Chronic: Classified by location (Type A -
fundal, Type B - antral) .
Skin Lesions: HSV: Mild tingling precedes
• Primary lesions: Macule, papule, lesion development; spread
vesicle, pustule . saliva, lesion fluid,
• Vesicle: Raised, thin-walled lesion autoinoculation .
containing clear fluid . Pruritic Lesions: Risk of
Integumentary
Infections: secondary infection from
• Bacterial (Staph): Furuncles, impetigo scratching (introduces resid
(highly contagious) . flora) .
• Viral: Herpes simplex (HSV), herpes Tinea Capitis: Fungal infecti
zoster (shingles), tinea (fungal) . of the scalp .
