Which of the descriptions is not descriptive of REM (rapid eye movement) sleep?
A. It represents 20-25% of a person's "sleeptime."
B. Visible movements of the eyes resembling those of one tracking the movements of objects in space, watching TV, and so on
C. Oxygen consumption decreases by comparison to NREM sleep and in an alert wakeful state.
D. Skeletal muscle activity is markedly reduced, except for the extraocular and respiratory muscles.
E. Difficulty arousing the sleeper
Answer: C
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The abdominal aorta divides into three arteries at its terminus; what are they?
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A. Occipital lobe B. Insula C. Frontal lobe D. Temporal lobe E. Parietal lobe
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A) ATP in muscle fiber. B) ATP in muscle fiber and phosphocreatine. C) carbohydrate oxidation. D) phosphocreatine. E) fat oxidation.