mdcat logical reasoning MCQ #864

A researcher studies the effects of a new medication on the cardiovascular system. What is the primary mechanism of action of this medication?

mdcat logical reasoning MCQ #864

  1. Question 1

    Q1. A researcher studies the effects of a new medication on the cardiovascular system. What is the primary mechanism of action of this medication?

    • A) Blocking alpha-adrenergic receptors
    • B) Blocking beta-adrenergic receptors
    • C) Increasing nitric oxide production
    • D) Increasing cyclic AMP levels

    Answer: Blocking beta-adrenergic receptors

    Explanation: Beta-blockers primarily block beta-adrenergic receptors, reducing heart rate and blood pressure. USAT, HAT and MDCAT analytical sections repeat this pattern.