Which of the following statements is true?
A. Most dietary supplements have been thoroughly researched and critically evaluated by scientists.
B. Medicinal herbs must undergo testing for safety and effectiveness by the FDA before they can be marketed.
C. The FDA can recall a dietary supplement when there is evidence that it is harmful.
D. The EPA regulates the labeling of dietary supplements.
Answer: C
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Jill is 32 years old, and after years of a mostly sedentary life is determined to get into shape. She decides to take up jogging but cannot decide whether to jog at a moderate pace or very fast pace, and has no idea how long to continue. Jill also wants to learn to monitor her heart rate and pulse. She was a gymnast in high school but can no longer touch her toes. Let's see if you can suggest how
Jill should get started by answering these questions. To achieve cardiovascular endurance, it is recommended by the ACSM that Jill exercise at least _____ times per week for at least _____ minutes at a time. a. 3; 20 b. 7; 45 c. 2; 15 d. 5; 30
Which mechanism of nutrient transport across the placenta involves the use of cell membrane receptors and energy derived from ATP?
A. passive diffusion B. facilitated diffusion C. active transport D. pinocytosis E. endocytosis
Which medication would most likely cause nutrient malabsorption because of damage to the gastrointestinal tract??
A) ?anticonvulsants B) ?antineoplastics C) ?antivirals D) ?antihypertensives
Which of the following statements about bound water is false?
a. Bound water is the most abundant form of water present in foods. b. Bound water is not easily removed and is resistant to freezing and drying. c. Bound water is not readily available to act as a medium for dissolving salts, acids, or sugars. d. Bound water is incorporated into the chemical structure of carbohydrates, lipids, and proteins.