mdcat logical reasoning MCQ #359

A hiker experiences altitude sickness while climbing a mountain. Which physiological adaptation contributes to this condition?

mdcat logical reasoning MCQ #359

  1. Question 1

    Q1. A hiker experiences altitude sickness while climbing a mountain. Which physiological adaptation contributes to this condition?

    • A) Increased red blood cell count
    • B) Slowed heart rate
    • C) Decreased lung function
    • D) Increased blood pressure

    Answer: Decreased lung function

    Explanation: Decreased lung function at high altitudes leads to inadequate oxygen delivery to the brain and other tissues, causing altitude sickness. Incorrect options: increased red blood cell count helps adapt to high altitudes; slowed heart rate is a response to high altitudes to conserve energy; increased blood pressure is not a direct contributor to altitude sickness.