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Most common indication for therapeutic monitoring of plasma levels of a drug is
- A. Hit & run drugs
- B. Drugs with irreversible action
- C. Narrow therapeutic range
- D. Failure of response
Correct Answer: C
Rationale: Drugs with a narrow therapeutic range (e.g., digoxin) require monitoring to avoid toxicity.
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Which route of drug administration is most likely to lead to first pass effect?
- A. Sublingual
- B. Oral
- C. Intravenous
- D. Intramuscular
Correct Answer: B
Rationale: Oral administration subjects drugs to the first-pass effect, where they are metabolized by the liver via the portal vein before reaching systemic circulation, reducing bioavailability.
The following drug may be used in the management of acromegaly:
- A. Leuprolide
- B. Octreotide
- C. Cosyntropin
- D. Desmopressin
Correct Answer: B
Rationale: Octreotide, a somatostatin analog, inhibits growth hormone in acromegaly.
What is the most likely mechanism for hip fracture in patients with glucocorticoid longterm treatment?
- A. Increased intestinal calcium absorption
- B. Increased sex hormone synthesis
- C. Inhibition of bone formation
- D. Osteoarthritis
Correct Answer: C
Rationale: Glucocorticoids inhibit bone formation by suppressing osteoblast activity, increasing osteoporosis and fracture risk.
Tianeptin is
- A. 5-HT antagonist
- B. Nor adrenaline uptake inhibitor
- C. 5-HT reuptake enhancer
- D. Dopamine antagonist
Correct Answer: C
Rationale: Tianeptin enhances serotonin reuptake, unlike typical SSRIs.
Drug levels should be monitored in the treatment of
- A. Diabetes
- B. Epilepsy
- C. Status Asthmatics
- D. Hypertension
Correct Answer: B
Rationale: Therapeutic drug monitoring is critical in epilepsy (e.g., phenytoin) due to narrow therapeutic ranges.