QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026|INSTANT DOWNLOAD PDF
1. Which of the following best defines pharmacokinetics?
A. The study of drug effects on the body
B. The study of drug absorption, distribution, metabolism, and
excretion
C. The study of drug formulation techniques
D. The study of drug interactions only
Rationale: Pharmacokinetics focuses on what the body does to
the drug.
Correct Answer: B
2. Which route of administration has the fastest onset of
action?
A. Oral
B. Intramuscular
C. Intravenous
D. Subcutaneous
Rationale: IV administration delivers drug directly into
circulation.
Correct Answer: C
,3. What is the primary purpose of a loading dose?
A. Maintain steady-state concentration
B. Rapidly achieve therapeutic drug levels
C. Prevent drug toxicity
D. Reduce drug metabolism
Rationale: Loading doses quickly reach therapeutic levels.
Correct Answer: B
4. Which organ is primarily responsible for drug metabolism?
A. Kidney
B. Liver
C. Lungs
D. Pancreas
Rationale: The liver contains enzymes for drug metabolism
(CYP450 system).
Correct Answer: B
5. Bioavailability refers to:
A. The percentage of drug excreted unchanged
B. The fraction of administered drug reaching systemic
circulation
C. The speed of drug absorption only
D. Drug binding to plasma proteins
,Rationale: Bioavailability measures systemic availability of a
drug.
Correct Answer: B
6. Which medication class is commonly used to treat
hypertension?
A. Beta-blockers
B. Antifungals
C. Antipsychotics
D. Antivirals
Rationale: Beta-blockers reduce heart rate and blood pressure.
Correct Answer: A
7. A narrow therapeutic index means:
A. Drug is very safe
B. Small difference between therapeutic and toxic dose
C. Drug has no side effects
D. Drug is ineffective at low doses
Rationale: Narrow TI drugs require close monitoring.
Correct Answer: B
8. Which law regulates controlled substances in the United
States?
, A. FDA Act
B. Controlled Substances Act
C. HIPAA
D. Poison Prevention Act
Rationale: The CSA schedules drugs based on abuse potential.
Correct Answer: B
9. Which schedule has the highest potential for abuse?
A. Schedule II
B. Schedule III
C. Schedule IV
D. Schedule I
Rationale: Schedule I drugs have no accepted medical use.
Correct Answer: D
10. What is the main purpose of a pharmacy label?
A. Marketing the drug
B. Providing dosing and safety instructions
C. Increasing drug cost
D. Replacing prescription
Rationale: Labels ensure safe and correct drug use.
Correct Answer: B