mdcat logical reasoning MCQ #344

A patient with a severe burn is at risk of developing hypovolemic shock. Which mechanism maintains blood pressure in shock?

mdcat logical reasoning MCQ #344

  1. Question 1

    Q1. A patient with a severe burn is at risk of developing hypovolemic shock. Which mechanism maintains blood pressure in shock?

    • A) Venous constriction
    • B) Arterial dilation
    • C) Baroreceptor-mediated vasoconstriction
    • D) Catecholamine release

    Answer: Baroreceptor-mediated vasoconstriction

    Explanation: Baroreceptor-mediated vasoconstriction fails in hypovolemic shock due to decreased venous return. USAT, HAT and MDCAT analytical sections repeat this pattern.