Please help multiple choice. Thanks?

16. Regular aerobic exercise decreases the fat-to-muscle ratio because

A. excess fat stores become more toned and conditioned.
B. excess fat stores are burned for energy.

C. increases in muscle mass push excess fat into the bloodstream.

D. increased oxygen demands signal the body to become anaerobic for greater muscle mass.




17. Which of the following causes muscular fatigue after just a few minutes of intense exertion?

A. Lactic acid
B. ATP

C. Aerobic glycolysis

D. PC




18. Anaerobic training increases your

A. flexibility.
B. red blood cell count.

C. lung capacity.

D. strength.




19. Which of the following should you try to maintain for 20鈥?0 minutes during exercise?

A. Target heart rate
B. Anaerobic glycolysis

C. Maximum heart rate

D. METS




20. What is the training effect?

A. The tendency to suffer injuries as a result of too much exercise
B. Shortness of breath and dizziness caused by overexertion

C. An increase in the resting heart rate and a decrease in the stroke volume of the heart

D. A term that describes the many physiological changes resulting from participation in vigorous muscular fitness activities
Answer:
16. B
17. A
18. D
19. A
20. D

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B)
A)
D)
D)

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16. B
17. A
18. D
19. A
20. D

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