Which of the following statements about the effects of caffeine, alcohol, or nicotine on sleep is FALSE?

A. Poorer sleep and restlessness occur later in the night as a result of alcohol.
B. People who smoke one pack of cigarettes a day have been shown to sleep more deeply than nonsmokers.
C. Alcohol has been shown to reduce the amount of time it takes to fall asleep.
D. A single cup of coffee may double the amount of time it takes an average adult to fall asleep.


Answer: B

Health & Biomechanics

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Glomerulonephritis is usually caused by:

A) Vesicoureteral reflux B) Catheter-induced infection C) Antigen–antibody complexes D) Glomerular membrane viruses

Health & Biomechanics

Which of the following statements about mifepristone, the drug used in medical abortions, is FALSE?

A. Most women who take mifepristone abort the pregnancy within two weeks. B. If abortion does not occur with mifepristone, surgical abortion is recommended. C. Mifepristone is a prescription pill that is swallowed. D. Mifepristone can be used during the first 16 weeks of pregnancy.

Health & Biomechanics

Karen has been working out in the heat and is beginning to feel fatigued and nauseated. It is likely that Karen is developing

A) hypothermia. B) heat exhaustion. C) heatstroke. D) muscle cramps.

Health & Biomechanics

Children can safely engage in endurance exercise, but they cannot improve their maximal aerobic power through training.

Answer the following statement true (T) or false (F)

Health & Biomechanics