Hesi Rn Pharmacology Exam | Full Drug Guide And Verified Questions & Answers | 2025/2026 Edition

HESI RN Pharmacology Exam | Full Drug Guide and Verified Q&A | 2025/2026 Edition Section 1: Introduction This study guide includes verified pharmacology questions and 100% correct answers for the HESI RN Pharmacology Exam. Covers drug classifications, mechanisms of action, therapeutic effects, side effects, contraindications, and patient teaching. Updated for 2025/2026 and formatted for high retention and exam confidence. Section 2: Exam Questions and Drug Guide 1. A client is prescribed digoxin for heart failure. What should the nurse monitor? A. Potassium levels B. Sodium levels C. Calcium levels D. Magnesium levels Correct Answer: A Rationale: Low potassium increases digoxin toxicity risk. 2. A client on warfarin has an INR of 4.5. What is the nurses priority action? A. Administer the next dose B. Hold the dose and notify the provider C. Increase the dose D. Administer vitamin K Correct Answer: B Rationale: INR above 4.5 indicates bleeding risk, requiring intervention. 3. A client is prescribed furosemide for edema. What should the nurse teach? A. Increase sodium intake B. Monitor for hypokalemia C. Take at bedtime D. Avoid fluid restriction Correct Answer: B Rationale: Furosemide can cause potassium loss, needing monitoring. 4. A client on levothyroxine reports tachycardia. What should