mdcat logical reasoning MCQ #493

A person experiences dizziness after standing up quickly. Which physiological system is most directly responsible?

mdcat logical reasoning MCQ #493

  1. Question 1

    Q1. A person experiences dizziness after standing up quickly. Which physiological system is most directly responsible?

    • A) Regulation of blood pressure
    • B) Neurological reflex pathways
    • C) Cardiac output adjustment
    • D) Renal filtration rate changes

    Answer: Regulation of blood pressure

    Explanation: Orthostatic hypotension causes brain hypoperfusion. Regulation of blood pressure is correct because it matches what the question requires. USAT, HAT and MDCAT analytical sections repeat this pattern.