Ati Pharmacology Final Exam 2025 Detailed Answer Key With 100 Questions And Correct Verified Answers With Rationales /

ATI PHARMACOLOGY FINAL EXAM 2025 DETAILED ANSWER KEY WITH 100 QUESTIONS AND CORRECT VERIFIED ANSWERS WITH RATIONALES / DETAILED ANSWER A+ SCORE1. Which medication is first-line for anaphylaxis? A. Diphenhydramine B. Epinephrine C. Albuterol D. Prednisone Answer: B - Epinephrine Rationale: Epinephrine is the drug of choice; it reverses bronchoconstriction, vasodilation, and hypotension rapidly. 2. A patient is prescribed furosemide. Which electrolyte should be monitored closely? A. Sodium B. Potassium C. Calcium D. Phosphate Answer: B - Potassium Rationale: Loop diuretics can cause hypokalemia, increasing risk of cardiac arrhythmias. 3. Which medication is used to treat peptic ulcer disease by reducing gastric acid secretion? A. Omeprazole B. Metoclopramide C. Sucralfate D. LoperamideAnswer: A - Omeprazole Rationale: Proton pump inhibitors suppress gastric acid production to promote ulcer healing. 4. A patient taking digoxin presents with nausea, visual changes, and arrhythmias. Most likely cause? A. Hypokalemia B. Digoxin toxicity C. Dehydration D. Hypercalcemia Answer: B - Digoxin toxicity Rationale: Classic signs include GI symptoms, visual disturbances (yellow/green halos), and dysrhythmias; monitor serum levels. 5. Which lab is most important to monitor in a patient taking warfarin? A. INR B. CBC C. Creatinine D. Potassium Answer: A - INR Rationale: Warfarin anticoagulation is