QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2027 |INSTANT DOWNLOAD PDF
1. Which organ is primarily responsible for the metabolism of
most drugs?
A. Kidney
B. Liver
C. Lung
D. Spleen
Answer: B. Liver
Rationale: The liver contains extensive enzyme systems,
particularly CYP450 enzymes, that metabolize many
medications.
2. Which pharmacokinetic process describes movement of a
drug from the gastrointestinal tract into systemic circulation?
A. Distribution
B. Metabolism
C. Absorption
D. Excretion
Answer: C. Absorption
Rationale: Absorption is the movement of a drug from its
administration site into the systemic circulation.
,3. Which route provides 100% bioavailability?
A. Oral
B. Subcutaneous
C. Intramuscular
D. Intravenous
Answer: D. Intravenous
Rationale: IV administration delivers the drug directly into
systemic circulation, giving complete bioavailability.
4. What does a drug's half-life represent?
A. Time required for absorption
B. Time required for plasma concentration to decrease by 50%
C. Time required to reach peak concentration
D. Time required for complete elimination
Answer: B. Time required for plasma concentration to
decrease by 50%
Rationale: Half-life is the time needed for the drug
concentration in plasma to fall by one-half.
5. Which drug class is commonly used to reduce LDL
cholesterol?
A. Statins
B. Beta blockers
C. Benzodiazepines
D. Proton pump inhibitors
,Answer: A. Statins
Rationale: Statins inhibit HMG-CoA reductase and substantially
reduce LDL cholesterol.
6. Which medication is an ACE inhibitor?
A. Losartan
B. Lisinopril
C. Amlodipine
D. Metoprolol
Answer: B. Lisinopril
Rationale: Lisinopril inhibits angiotensin-converting enzyme
and decreases angiotensin II formation.
7. Which adverse effect is commonly associated with ACE
inhibitors?
A. Dry cough
B. Constipation
C. Hearing loss
D. Hypoglycemia
Answer: A. Dry cough
Rationale: ACE inhibition can increase bradykinin, producing a
persistent dry cough.
8. Which drug is a selective beta-1 blocker?
A. Propranolol
B. Metoprolol
C. Carvedilol
D. Labetalol
, Answer: B. Metoprolol
Rationale: Metoprolol is relatively selective for beta-1
receptors at usual therapeutic doses.
9. Which medication is commonly used as a rescue
bronchodilator for acute asthma symptoms?
A. Albuterol
B. Montelukast
C. Fluticasone
D. Tiotropium
Answer: A. Albuterol
Rationale: Albuterol is a short-acting beta-2 agonist that rapidly
relaxes bronchial smooth muscle.
10. Which medication is an inhaled corticosteroid?
A. Albuterol
B. Fluticasone
C. Salmeterol
D. Ipratropium
Answer: B. Fluticasone
Rationale: Fluticasone reduces airway inflammation and is used
for long-term asthma control.
11. Which antibiotic inhibits bacterial cell-wall synthesis?
A. Amoxicillin
B. Azithromycin
C. Ciprofloxacin
D. Doxycycline