What is the risk of giving birth to a child with Down syndrome for a woman who is 40 years old compared with a 20 year old?
a. One-half as much b. About the same
c. 25 times higher d. 100 times higher
d
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The primary cause of chronic hunger is
A. cultural food preferences. B. lack of local farms in developing countries. C. lack of technology. D. poverty.
During which period of the life cycle does peak bone mass occur??
A) ?childhood B) ?puberty C) ?early adulthood D) ?middle age
All of the following describe the circulatory system EXCEPT:
a. it includes the heart, arteries, capillaries, and veins. b. breakdown products of proteins and carbohydrates are absorbed into it from the intestine. c. it connects to the lymphatic system and receives lymph from it. d. breakdown products of fat digestion are absorbed into it from the intestine.
Jared is a healthy 23-year-old who exercises but isn't an athlete. Based on this information, most of his body's total energy use is for
A. basal metabolism. B. physical activity. C. NEAT. D. TEF.