mdcat logical reasoning MCQ #639

A study finds that people who exercise regularly have a lower risk of developing certain diseases. If the study controls for diet, what can be concluded about the relationship between exercise and disease risk?

mdcat logical reasoning MCQ #639

  1. Question 1

    Q1. A study finds that people who exercise regularly have a lower risk of developing certain diseases. If the study controls for diet, what can be concluded about the relationship between exercise and disease risk?

    • A) Exercise has a direct impact on disease risk
    • B) The relationship between exercise and disease risk is mediated by diet
    • C) The study's findings are due to sampling bias
    • D) The relationship between exercise and disease risk is bidirectional

    Answer: Exercise has a direct impact on disease risk

    Explanation: Controlling for diet allows us to isolate the effect of exercise on disease risk