Flulike symptoms during primary human immunodeficiency virus (HIV) infection are associated with:
a. lipodystrophy.
b. seroconversion.
c. opportunistic infections.
d. low CD4 + T-cells levels.
Ans: b. seroconversion.
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What body component has the greatest variability in quantity and quality?
a. bone mass b. muscle mass c. fluid d. fat mass
What is a feature of physical activity and bone health?
A) ?Dancing is not an effective activity for helping maintain bone density. B) ?Weight training improves bone density in young but not older women. C) ?Working the muscles places stress on bones, which promotes bone density. D) ?Weight-bearing activities are effective in maintaining bone mass in adults but not in adolescents.
Which of the following is not true?
a. Muscle glycogen is a readily available energy source for the working muscle. b. The glycogen content of skeletal muscle at rest is approximately 12 to 16 g/kg w.w., equating to 300 to 400 g of carbohydrate. c. The rate at which muscle glycogen is oxidized depends largely on exercise intensity. d. Glycogen can provide energy anaerobically. e. Every gram of glycogen is stored with 1 g of water.
Fat in the small intestine triggers the secretion of which hormone?
a. estrogen b. cholecystokinin c. glycine d. amylase e. thyroxine