How many hours of sleep do experts recommend per night for adults?
A) five to ten hours
B) six to eight hours
C) seven to nine hours
D) eight to ten hours
C
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What is/are the primary organ system(s) affected by O2 toxicity? 1. Central nervous system (CNS) 2. Lungs 3. Kidneys
a. 1 only b. 1 and 3 only c. 1 and 2 only d. 1, 2, and 3
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Practicing good body mechanics starts with:
A) ?good posture B) keeping your shoulders rounded C) keeping your feet at a slight angle D) keeping your weight balanced on your left leg
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