1. A 58-year-old male with a history of chronic obstructive pulmonary
disease (COPD) is prescribed a short-acting beta2 agonist for relief of
dyspnea. Which of the following is a potential side effect of this
medication?
A. Bradycardia
B. Tachycardia
C. Hypotension
D. Dry mouth
Answer: B. Tachycardia
Rationale: Short-acting beta2 agonists can cause tachycardia as they
stimulate the beta2 receptors in the heart, leading to increased heart rate.
2. A patient is diagnosed with pulmonary arterial hypertension and started
on therapy with an endothelin receptor antagonist. Which of the following
monitoring parameters is most important for this patient?
A. Serum potassium levels
B. Liver function tests
C. Thyroid function tests
D. Complete blood count
Answer: B. Liver function tests
Rationale: Endothelin receptor antagonists can cause hepatotoxicity,
hence monitoring liver function tests is crucial to detect any early signs of
liver damage.
3. A 65-year-old female with asthma is prescribed an inhaled
corticosteroid. What is the primary mechanism of action of this class of
drugs in asthma management?
A. Relaxation of bronchial smooth muscle
B. Inhibition of inflammatory cell migration
C. Stimulation of mucociliary clearance
D. Increase in respiratory drive
Answer: B. Inhibition of inflammatory cell migration
Rationale: Inhaled corticosteroids work by reducing inflammation in the
airways by inhibiting the migration of inflammatory cells to the site of
inflammation.
4. A patient with acute exacerbation of asthma is given a nebulized short-
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