040-444

040-444 practice questions, page 8 of 15, with answer review and explanations.

Question 36

Which of the following is true when two people of different weights (80 and 70 kg) are exercising at 5 mph 5% grade on a treadmill?

  1. V02 will be different if expressed in mL/kg/min.
  2. V02 will be the same if expressed in L/min.
  3. Cardiac output will be the same in L/min.
  4. None of the above.

Question 37

Which of the following would provide the SMALLEST potential energy source in the body?

  1. Fat.
  2. Protein.
  3. PCr.
  4. ATP.

Question 38

Before and after 10 weeks of endurance training, an individual performs a submaximal exercise test at a constant work rate. Which of the following changes would most likely occur as a result of the endurance training?

  1. A lower cardiac output.
  2. An increase in oxygen consumption.
  3. An increase in the blood flow to the exercising muscle.
  4. Lower blood lactate levels.

Question 39

When compared with leg exercise, arm exercise results in a relatively __________.

  1. Increased HR at all intensities.
  2. Lower SBP at all intensities.
  3. Increased venous return at all intensities.
  4. Increased V02 max.

Question 40

During exercise of increasing intensity, the SV of normal adults __________.

  1. Continues to increase throughout the duration of exercise up to V02 max.
  2. Remains relatively stable during submaximal exercise of greater than approximately 50% of V02 max.
  3. Will continue to increase and then level off just before the achievement of V02 max.
  4. None of the above.