CanFitPro Personal Training Specialist Practice Test

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What best describes the central component of VO2max?

  1. The muscles' efficiency in using oxygen

  2. The heart's ability to distribute blood

  3. The lung's capacity to exchange gases

  4. The body's ability to cool down after exercise

The correct answer is: The heart's ability to distribute blood

The central component of VO2max refers to the heart's ability to distribute oxygen-rich blood to the working muscles during exercise. While the other options may play a role in overall fitness and physical performance, they do not specifically address the central component of VO2max. Option A focuses on the muscles' efficiency in using oxygen, but it does not consider the heart's role in delivering oxygen to the muscles. Option C mentions the lungs' capacity to exchange gases, but it does not directly address the role of the heart. Option D refers to the body's ability to cool down after exercise, which is important but not specifically related to VO2max. Overall, option B is the best choice because it directly addresses the central component of VO2max.

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