mdcat logical reasoning MCQ #286

A 60-year-old patient with a history of hypertension undergoes a sudden increase in blood pressure. Which mechanism would be most effective in reducing peripheral resistance?

mdcat logical reasoning MCQ #286

  1. Question 1

    Q1. A 60-year-old patient with a history of hypertension undergoes a sudden increase in blood pressure. Which mechanism would be most effective in reducing peripheral resistance?

    • A) Increased parasympathetic tone
    • B) Decreased sympathetic 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.