Pharmacology MCQs- 294 - Repeated USMLE Questions

Q- Which of the following is NOT an adverse effect of aspirin?

A- Bleeding

B- Gastritis

C- Renal problems

D- Tolerance

D- Tolerance- Body does not develop tolerance to aspirin. Baby aspirin can be used for decades as a prophylactic against coronary heart disease.

Q- Which one of the following medications is a non-selective beta receptor agonist?

A- Ephedrine

B- Epinephrine

C- Isoproterenol

D- Phenylephrine

C- Isoproterenol- It is the only one on the list that is affecting only beta blockers.

Q- Torsades de pointes may occur after the use of which one of the following medications?

A- Lidocaine

B- Propranolol

C- Rifampin

D- Sotalol

D- Sotalol- The only one on the list that can cause Torsades de pointes in patients with a history of supraventricular arrhythmia (4%)

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