NSG 124 Pharmacology ASN Test Bank NCLEX-Style • Chapter-by-Chapter • Answers and Rationales 2026/2027 Summer | Herzing University

NSG 124 Pharmacology ASN Test Bank NCLEX-Style • Chapter-by-Chapter • Answers and Rationales 2026/2027 Summer | Herzing University 1. A nurse explains pharmacokinetics to a student. Which process refers to movement of a drug from the bloodstream into body tissues? A. Absorption B. Distribution C. Metabolism D. Excretion Answer: B Rationale: Distribution is the movement of a drug from the blood into tissues and organs. Absorption is entry into the bloodstream, metabolism is chemical breakdown, and excretion is removal from the body. 2. Which organ is the major site of drug metabolism for most medications? A. Heart B. Liver C. Pancreas D. Small intestine Answer: B Rationale: The liver is the major site of drug metabolism because many drug-transforming enzymes are located there. 3. A medication has a narrow therapeutic index. What does the nurse understand about this drug? A. It is safe at any dose B. The difference between effective and toxic doses is small C. It does not require monitoring D. It is absorbed slowly Answer: B Rationale: A narrow therapeutic index means small changes in the serum level can cause toxicity, so close monitoring is often required. 4. Which factor would most likely prolong the action of a renally excreted drug? A. Increased fluid intake B. Renal impairment C. Taking the drug with food.........................................................................................................................