Scientists at a major university have isolated a chemical from grapes. Which of the following features is an indication that this chemical could be a vitamin?
A. When large amounts of the chemical are consumed, no health problems occur.
B. The chemical is in grapes, cherries, and tomatoes.
C. The chemical has a very limited range of safe intake.
D. When a person's diet lacks the chemical, his or her body experiences abnormal functioning.
Answer: D
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Anabolic drug treatments for osteoporosis work chiefly by
a. stimulating estrogen release. b. enhancing osteoblast activity. c. stimulating calcium absorption. d. reducing renal calcium excretion.
A major factor in the development of both gastritis and peptic ulcer disease is:
a. infection with H. pylori. b. stress. c. overeating. d. cigarette smoking.
Children that are not physically active are more likely to:
A) do better in school. B) be shorter. C) be overweight. D) not be active later in life. E) c and d
Mrs. Hoffman has quit smoking. Shouldn't her condition now improve? Explain
What will be an ideal response?