EXAM QUESTIONS AND CORRECT DETAILED ANSWERS A NEW
UPDATED VERSION LATEST 2026-2027 (100% CORRECT
VERIFIED ANSWERS) ALREADY GRADED A+
1. A drug administered orally undergoes significant first-pass metabolism. What is the primary site of this
process?
A. Kidneys
B. Lungs
C. Liver
D. Small intestine
Correct Answer: C
2. Which factor most directly affects drug absorption rate?
A. Protein binding
B. Blood flow to site
C. Renal clearance
D. Half-life
Correct Answer: B
3. A patient taking warfarin is prescribed aspirin. What is the priority concern?
A. Reduced efficacy
B. Increased bleeding risk
C. Drug tolerance
D. Faster metabolism
Correct Answer: B
4. Which route of administration provides the fastest systemic effect?
A. Oral
B. Subcutaneous
C. Intravenous
D. Intramuscular
Correct Answer: C
,5. A drug with a half-life of 8 hours—how long to reach steady state?
A. 8 hours
B. 16 hours
C. 32–40 hours
D. 64 hours
Correct Answer: C
6. Which term describes the maximum effect of a drug?
A. Potency
B. Efficacy
C. Affinity
D. Bioavailability
Correct Answer: B
7. Which organ is primarily responsible for drug excretion?
A. Liver
B. Heart
C. Kidneys
D. Lungs
Correct Answer: C
8. A partial agonist will:
A. Fully activate receptors
B. Block receptors completely
C. Produce a weaker response
D. Destroy receptors
Correct Answer: C
9. Which condition increases risk of drug toxicity?
A. High metabolism
B. Renal impairment
C. Young age
D. High protein intake
Correct Answer: B
, 10. What is bioavailability?
A. Drug elimination rate
B. Fraction reaching systemic circulation
C. Drug metabolism speed
D. Binding to proteins
Correct Answer: B
11. Which drug classification reduces blood pressure by blocking beta receptors?
A. ACE inhibitors
B. Beta blockers
C. Diuretics
D. Calcium channel blockers
Correct Answer: B
12. Which adverse effect is most associated with opioids?
A. Hypertension
B. Constipation
C. Hyperactivity
D. Insomnia
Correct Answer: B
13. Therapeutic index refers to:
A. Drug half-life
B. Safety margin
C. Absorption rate
D. Protein binding
Correct Answer: B
14. A drug binds extensively to plasma proteins. What happens?
A. Increased clearance
B. Reduced free drug
C. Faster metabolism
D. Increased excretion
Correct Answer: B