All of the following are true regarding diet and exercise EXCEPT:
1.the foods you eat serve as a source of energy for physical activity.
2.the body needs fat as its primary energy source.
3.the quality of your diet affects your physical fitness.
4.the body needs glucose as its primary energy source.
2
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For a nutrition study to provide reliable information, it must
A) collect quantifiable data from the right experiment population B) use proper experimental controls C) accurately interpret data D) all of the choices are true
Which of the following statements about zinc is TRUE?
A) Fresh fruits and vegetables are the best food sources of zinc. B) The RDA for zinc does not increase during pregnancy. C) Zinc absorption is inhibited by vitamin C. D) Zinc is critical for fetal protein synthesis, growth, and development.
Dementia affects an estimated ________ of adults older than 70 years of age in the United States.
a. 20% b. 30% c. 15% d. 10% e. 25%
What might occur if the sphincter denoted here doesn't close correctly, and some of the contents from the stomach enter into the esophagus?
a) Choking b) Constipation c) Heartburn d) Peptic ulcers