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TCRN Exam Review 403 Questions with Verified Answers Circumfrential burns - CORRECT ANSWER Full-thickness burns result in the formation of an eschar that is tough and unyielding. Can cause a burn compartment syndrome, and often requires escharotomy Shock - CORRECT ANSWER Systemic reaction to insult that causes decreased oxygen delivery to the cells 4 Classifications of Shock - CORRECT ANSWER 1. Hypovolemic 2. Distributive 3. Cardiogenic 4. Obstruction Hypovolemic Shock - CORRE...

TCRN Review Exam Challenge 25 Questions with Verified Answers Fluid resuscitation is undertaken for the patient in late, decompensatory hypovolemic shock. Which of the following findings indicates that this treatment is having its intended effect? An elevation in the: A. Pulse pressure B. Urinary output C. Respiratory rate D. Serum lactate levels - CORRECT ANSWER B A decrease in urinary output is associated with decompensatory hypovolemic shock, therefore an increase in this parameter is...

TCRN PRACTICE Exam 60 Questions with Verified Answers Which of the following are the most appropriate clinical use of opioids? Analgesic, anti-tussive, anti-diarrheal Analgesic, anti-tussive, emetic Analgesic, sedatives, adjunct to psychotic therapy Analgesic, hypnotic, anti-diarrheal - CORRECT ANSWER Analgesic, anti-tussive, anti-diarrheal What is the drug of choice for the treatment of anaphylaxis? Corticosteroids Antihistamines Epinephrine Bronchodilators - CORRECT ANSWE...

TCRN Exam 113 Questions with Verified Answers Kehr's sign - CORRECT ANSWER Referred left shoulder pain, usually indicates a splenic injury Base deficit - CORRECT ANSWER Base deficit more than -6 indicates the need for agressive resuscitation and determination of the etiology CXR - CORRECT ANSWER Most important tool providing useful information in the early minutes. Can identify major sources of blood loss from injuries in the chest or elevated diaphragm with displacement of abdominal o...

TCRN Test 150 Questions with Verified Answers Fluid resuscitation is administered to a traumatically injured patient. After resuscitation, the trauma nurse evaluates the patient's response to that resuscitation to determine whether additional fluids should be administered. Which of the following factors is most likely to impact this evaluation? - CORRECT ANSWER Beta-blockers blunt changes in the pulse and blood pressure. This may both reduce changes associated with recognizing hypovolemia bu...

TCRN Practice Exam 100 Questions with Verified Answers A transcranial doppler is obtained for a patient with a traumatic subarachnoid hemorrhage. The doppler is positive for vasospasm. The trauma nurse would expect which of the following medications to be prescribed? - CORRECT ANSWER A vasospasm is a known complication of subarachnoid hemorrhages. Calcium channel blockers are used to prevent or reverse vasospasms and are frequently used in the treatment of a subarachnoid hemorrhage. Metoprolo...

Acid/Base PCCN Exam 19 Questions with Verified Answers Respiratory Acidosis S/S - CORRECT ANSWER s/s: hypoventilation, drowsiness, confusion, hypotension, flushed Causes of Respiratory Acidosis - CORRECT ANSWER CO2 RETENTION: COPD, atelectasis, drug overdose, severe pneumonia, mechanical (hypo)ventilation Respiratory Acidosis pH/CO2 relationship - CORRECT ANSWER pH low & CO2 high note: inverse relationship normal pH range - CORRECT ANSWER 7.35-7.45 PaCO2 normal range - CORRECT...

AACN PCCN Exam Review Cardiac Exam 104 Questions with Verified Answers Normal P wave - CORRECT ANSWER <0.11 sec Normal PR interval - CORRECT ANSWER 0.12-0.20 sec Normal QRS interval - CORRECT ANSWER 0.04-0.10 sec Inherent rate of sinus node - CORRECT ANSWER 60-100 bpm Inherent rate of AV node - CORRECT ANSWER 40-60 bpm Inherent rate of Purkinje fibers - CORRECT ANSWER 20-40 bpm Causes of U wave - CORRECT ANSWER hypokalemia, abnormally prolonged repolarization, various dru...

PCCN Practice Exam 22 Questions with Verified Answers A nurse in the emergency department assesses a patient with a hand laceration and notices that the patient smells strongly of alcohol. The patient is diabetic, irritable, and pale and reports headache. The nurse is waiting for laboratory results. What serum glucose level might the nurse expect to find? a. 50 to 60 mg/dL b. <50 mg/dL c. >1000 mg/dL d. 80 to 110 mg/dL - CORRECT ANSWER b. <50mg/dL Following a chest infection, ...

GI PCCN Exam 52 Questions with Verified Answers The most common causative organism of antibiotic-associated colitis is A. Clostridium difficile. B. Staphylococcus aureus. C. Salmonella. D. Escherichia coli. - CORRECT ANSWER A. Clostridium difficile is an anaerobic gram-positive, spore-forming, toxin-producing bacillus that causes antibiotic-associated colitis. It colonizes the human intestinal tract after the normal gut flora have been altered by antibiotic therapy. It produces exotoxins ...

PCCN Neurology Exam 43 Questions with Verified Answers Frontal lobe functions - CORRECT ANSWER Personality, motor function, motor speech, morals, emotions, judgment Parietal lobe function - CORRECT ANSWER Sensation, pain, interpretation, temperature, pressure Occipital lobe function - CORRECT ANSWER visual Cerebellum functions - CORRECT ANSWER coordination of muscle movement & tone, equilibrium What does the glasgow coma scale assess? - CORRECT ANSWER 1. eye opening 2. motor respo...

PCCN Synergy Model Exam 31 Questions with Verified Answers Which of the following are elements of a healthy work environment: A. BSN as an entry level requirement for all registered nursing staff, achievement of specialty certification within 2 years of practice in an acute or critical care unit, established educational requirements for maintaining licensure as a registered nurse in the organization, required participation on a unit based or organizational based quality improvement committ...

PCCN Endocrine Exam 97 Questions with Verified Answers Imbalances in which of the following hormones will MOST DIRECTLY impact fluid balance: A. Aldosterone and cortisol. B. Thyroxin and ADH. C. Aldosterone and ADH. D. Cortisol and epinephrine. - CORRECT ANSWER C. Aldosterone is a mineral corticoid that regulates extracellular fluid volume by increasing reabsorption of sodium and chloride, which causes water to be retained. Aldosterone is released by the adrenal cortex through activation ...

PCCN Master Exam 132 Questions with Verified Answers 1. Cardiac - CORRECT ANSWER 1. Cardiac Pt's EKG shows ST elevation in leads II, III, and aVF. Where is the MI? - CORRECT ANSWER Inferior wall MI, Right coronary artery "Reciprocal changes are often seen ini leads I and aVL" Pt's EKG shows ST elevation in leads V1 and V2. Where is the MI? - CORRECT ANSWER Septal area, Left Anterior Descending Artery Pt's EKG shows ST elevation in leads V3 and V4. Where is the MI? - CORRECT A...

PCCN Cardiac Exam 127 Questions with Verified Answers Which of the following is the outermost lining of the heart? A. Endocardium B. Myocardium C. Transcardium D. Pericardium - CORRECT ANSWER D. Pericardium "Endo" meaning "within" is associated with the innermost lining of the heart, so eliminate A. The myocardium is associated with the heart's middle layer, so eliminate option B. The "transcardium" is somewhat of a contrived term, so eliminate C as well. The prefix in pericardium...

PCCN study cards Exam 53 Questions with Verified Answers PSVT- Paroxysmal supraventricular tachycardia- simultaneous activation of A & V - retrograde P waves almost lost in QRS - CORRECT ANSWER PSVT mimicking a more serious rhythm called V tach - CORRECT ANSWER Retrograde P waves can be seen in this PSVT - CORRECT ANSWER Good example of the pseudo-R' configuration in lead V1, representing the retrograde P waves of PSVT. - CORRECT ANSWER Episode of PSVT that is broken up wit...

PCCN Renal Exam 45 Questions with Verified Answers A patient with chronic renal failure asks the nurse why he is anemic. The nurse explains that anemia accompanies chronic renal failure secondary to: a. Blood loss via the urine b. Renal insensitivity to vitamin A c. Inadequate production of erythropoietin d. Inadequate retention of serum iron - CORRECT ANSWER c. Inadequate production of erythropoietin The kidney is sensitive to oxygen saturations and secretes erythropoietin as needed t...

PCCN Blue Practice Exam 47 Questions with Verified Answers Coronary sinus - CORRECT ANSWER Main venous drainage vessel of the heart AV Valves - CORRECT ANSWER Tricuspid and pulmonic Systolic murmur - CORRECT ANSWER Aortic stenosis Mitral regurgitation Key treatments in management of HF - CORRECT ANSWER -ACE -BB -Diuertics Pericardial tamponade - CORRECT ANSWER -Equalization of left & right atrial pressures (CVP and PAOP) -Hypotension -Distended neck veins -auscultate heart ...

PCCN Exam 119 Questions with Verified Answers What is the function of the cardiovascular system - CORRECT ANSWER to drive O2 to the cell so that the cell can make ATP for energy production What is the formula for CARDIAC OUTPUT - CORRECT ANSWER Stroke volume x Heart Rate CO = HR X SV ( Preload + Afterload + Contractility) What is the term for the amount of blood that is pumped out of the ventricle each MINUTE? - CORRECT ANSWER Cardiac Output ( approximately 4 - 8 LPM ) What is th...

AACN PCCN Practice Test Review 49 Questions with Verified Answers What are signs of dialysis disequilibrium syndrome - CORRECT ANSWER Headache Nausea/vomiting Restlessness AMS Agitation Seizures What causes disequilibrium syndrome? How can it be avoided? - CORRECT ANSWER This occurs when plasma solutes (i.e. urea) are lowered too quickly. Prevent by reducing dialysis time and increasing frequency. What causes myocarditis? - CORRECT ANSWER Recent viral infections Cocaine abuse ...