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1. What is the mechanism of action of a beta-blocker?
A. Inhibition of cyclooxygenase
B. Blockade of beta-adrenergic receptors
C. Activation of dopamine receptors
D. Inhibition of angiotensin-converting enzyme
Answer: B. Blockade of beta-adrenergic receptors
Rationale: Beta-blockers work by blocking the effects of
adrenaline on the beta-adrenergic receptors, which reduces heart
rate and blood pressure.
2. Which of the following medications is indicated for the
treatment of depression?
A. Amoxicillin
B. Citalopram
C. Atorvastatin
D. Omeprazole
Answer: B. Citalopram
Rationale: Citalopram is a selective serotonin reuptake inhibitor
(SSRI) commonly prescribed for the treatment of depression.
3. True or False: Aspirin is contraindicated in patients with a
history of peptic ulcers.
Answer: True
Rationale: Aspiri
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