Which statement is true?
a. Weight-loss products sold as supplements can be marketed without being tested for safety.
b. You can trust an advertisement that promises safe, long-term weight loss.
c. Xenical is a dietary supplement that was banned after it resulted in several deaths.
d. Weight-loss product manufacturers almost never violate truth-in-advertising laws.
a
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Which vitamin is synthesized in the intestine by bacteria?
a. Vitamin A b. Vitamin C c. Vitamin D d. Vitamin K e. Niacin
Which of the following statements is true?
A. Fruits and vegetables are sources of fiber. B. People may reduce their risk of type 1 diabetes by eating more fiber-rich foods. C. The typical American diet supplies recommended amounts of fiber. D. Breads that are made with 100% wheat flour are rich sources of fiber.
What vitamin A compounds bind with opsin to form rhodopsin?
a. retinal b. retinoids c. carotenoids d. retinol e. retinoic acid
Generally, walking 1 mile would expend about:
a. 50 kcal. b. 100 kcal. c. 150 kcal. d. 200 kcal.