PHARMACOLOGY 8TH EDITION BLEDSOE (CHAPTER
1-17) QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) Q&A 2026 |INSTANT
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1. Which term describes the study of how drugs affect the
body?
A. Pharmacokinetics
B. Pharmacodynamics
C. Toxicology
D. Pathophysiology
Rationale: Pharmacodynamics focuses on drug effects on the
body.
Answer: B
2. What does pharmacokinetics describe?
A. Drug effects on receptors
B. Movement of drugs through the body
C. Drug toxicity levels
D. Drug manufacturing process
Rationale: Pharmacokinetics involves absorption, distribution,
metabolism, excretion.
Answer: B
,3. Which route provides the fastest drug absorption in
emergencies?
A. Oral
B. Intramuscular
C. Intravenous
D. Subcutaneous
Rationale: IV administration delivers drugs directly into
circulation.
Answer: C
4. The “first-pass effect” occurs in which organ?
A. Kidney
B. Liver
C. Lung
D. Heart
Rationale: The liver metabolizes drugs before systemic
circulation.
Answer: B
5. What is a drug’s therapeutic index?
A. Time to onset
B. Safety margin between effective and toxic dose
C. Drug half-life
D. Rate of absorption
Rationale: Wider therapeutic index = safer drug.
Answer: B
6. Which factor MOST affects drug absorption?
A. Skin color
, B. Route of administration
C. Blood type
D. Patient height
Rationale: Route determines absorption speed and
completeness.
Answer: B
7. What is the term for drug breakdown in the body?
A. Excretion
B. Distribution
C. Metabolism
D. Absorption
Rationale: Metabolism usually occurs in the liver.
Answer: C
8. Which organ is primary for drug excretion?
A. Liver
B. Kidney
C. Pancreas
D. Spleen
Rationale: Kidneys eliminate most drugs via urine.
Answer: B
9. A drug that binds receptors and produces a response is
called a:
A. Antagonist
B. Agonist
C. Toxin
D. Enzyme inhibitor