In addition to preventing osteoporosis, calcium may have a protective effect against which type of cancer?
A) lung
B) colon
C) pancreatic
D) leukemia
Ans: B) colon
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A baby born between 39 and 40 weeks gestation is referred to as ______.
Fill in the blank(s) with the appropriate word(s).
Most of the people living in a small South African village have access to nutritious foods. Soon after their birth, 10 infants in the village developed severe diarrhea, which resulted in dehydration. After questioning the infants' parents, local public health officials were able to determine the cause of the diarrhea. Based on the officials' findings, the parents were advised to ________.
A. reduce the amount of iron in the babies' diets B. give megadoses of vitamin C to each baby C. stop diluting the babies' formula with local well water D. add more fruit juice to the babies' diets
Why is it unnecessary to pay special attention to dietary biotin or pantothenic acid? a. They are widespread in foods
b. They are nonessential nutrients. c. They each have only a single function in the body. d. They are stored in large quantities within the liver. e. They are needed in very minute quantities.
How do sodium and potassium travel into and out of cells?
a. Antidiuretic hormone transports potassium and prodiuretic hormone carries sodium. b. Specific transport proteins in the blood deliver the minerals to the cell cytoplasm. c. The balance of insulin and glucagon determines the movement of these minerals into and out of cells. d. Transport proteins within the cell membrane pick up and release the minerals across the membrane. e. A negative feedback loop uses blood glucose levels for transfer.