Whole-wheat bread, popcorn, baked beans, bananas, and pears are good sources of:
a. cellulose.
b. gums.
c. collagen.
d. psyllium.
ANS: A
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Which of the following is not true of copper?
a. It is a key factor in hemoglobin synthesis. b. It helps make collagen. c. It depends on triglycerides to maintain balance and for transport in the body. d. It helps inactivate histamine. e. It is a constituent of several enzymes.
Chronic diseases _____
a. are contagious b. can always be cured c. usually develop quickly d. include hypertension and cancer e. are not influenced by diet
Peak bone mass is usually achieved by age _____
1.18 2.25 3.30 4.40 5.75
Which of the following statements is true?
A. In a single-blind study, both the researchers and the human subjects don't know their group assignments. B. Before scientists begin their research, they usually develop a question to guide their study. C. In the United States, nutrition scientists often conduct studies on humans before doing animal testing. D. An experimental study doesn't need to have a control group.