mdcat logical reasoning MCQ #296

A researcher studying the effect of a new medication on blood pressure finds that it causes a significant increase in cardiac output. Which mechanism would be most effective in reducing peripheral resistance?

mdcat logical reasoning MCQ #296

  1. Question 1

    Q1. A researcher studying the effect of a new medication on blood pressure finds that it causes a significant increase in cardiac output. Which mechanism would be most effective in reducing peripheral resistance?

    • A) Increased sympathetic tone
    • B) Decreased parasympathetic tone
    • C) Nitric oxide release
    • D) Endothelin-1 release

    Answer: Nitric oxide release

    Explanation: Nitric oxide causes vasodilation and reduces peripheral resistance, which lowers blood pressure.