What are the associations between folate intake and development and progression of certain cancers?
What will be an ideal response?
Because the synthesis of DNA and the transfer of methyl groups depend on folate, its relationships with cancer are complex, depending on the type of cancer and the timing of folate supplementation. Some research suggests that sufficient folate may protect against the initiation of cancer, whereas other studies report that high intakes may enhance progression once cancer has begun. In general, foods containing folate probably reduce the risk of pancreatic cancer. Limited evidence suggests that folate may also reduce the risk of esophageal and colorectal cancer.
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The American Heart Association recommendation for increasing intake of omega-3 fatty acids is to:
a. decrease amount of fat that is solid at room temperature. b. increase use of corn and cotton seed oils in cooking. c. eat at least two servings of fatty fish each week. d. replace butter with margarine.
The small intestine is divided into three segments. List them in order by which the receive chyme.
What will be an ideal response?
Insufficient secretion of a tropic hormone leads to:
a. primary hyposecretion b. secondary hyposecretion c. tertiary hyposecretion d. cellular hypersecretion e. ductal hypersecretion
Choline is ____
a. found only in animal foods b. created by the body when intake is lacking c. a conditionally essential nutrient d. needed for release of energy from fats and carbohydrates e. a common deficiency in American diets