mdcat logical reasoning MCQ #546

A patient's blood pressure spikes during a stressful exam. What immediate physiological mechanism explains this?

mdcat logical reasoning MCQ #546

  1. Question 1

    Q1. A patient's blood pressure spikes during a stressful exam. What immediate physiological mechanism explains this?

    • A) Sympathetic nervous system activation releasing adrenaline
    • B) Renin-angiotensin system upregulation
    • C) Increased sodium retention in kidneys
    • D) Vasoconstriction from prolonged sitting

    Answer: Sympathetic nervous system activation releasing adrenaline

    Explanation: Stress activates the fight-or-flight response. Sympathetic nervous system activation releasing adrenaline is correct because it matches what the question requires. USAT, HAT and MDCAT analytical sections repeat this pattern.