What is a characteristic of neural tube defects??
A) ?They occur in about 3000 pregnancies in the United States each year.
B) ?They include common disorders such as liver and kidney disease.
C) ?They can be prevented by supplementation of the pregnant woman's diet with vitamin B12.
D) ?They are usually caused by exposure to environmental toxins.
A
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The Dietary Guidelines for Americans recommend
A. making all of your grain choices whole grains. B. increasing your intake of fruits and vegetables. C. engaging in aerobic exercise for 60 minutes at least five days a week. D. avoiding smoking.
Gradually increasing the exercise demands on the body is called
a. cardiorespiratory endurance. b. VO2max.VO2max. c. progressive overload. d. hypertrophy.
The developing brain of a fetus contains substantial amounts of lipid material and depends on _____ for proper development and function
a. long-chain omega-3 and omega-6 fatty acids b. monounsaturated fatty acids c. cholesterol d. medium-chain fatty acids
All of the following are true regarding physical activity EXCEPT:
1.obese people can be fit. 2.thin people can be unfit. 3.it is measured by strength, endurance, and flexibility. 4.a person only needs one of the following to be fit: strength, endurance, or flexibility.