Tetany may be a sign of low blood levels of
A. phosphorus.
B. calcium.
C. vitamin D.
D. fluoride.
Answer: B
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Which pituitary hormone works at the level of the collecting duct to either increase or decrease absorption of water in order to maintain plasma volume and thus blood pressure?
A. aldosterone B. vasopressin C. cortisol D. testosterone E. epinephrine
Scientists have developed a new type of margarine containing plant ingredients they think will lower blood cholesterol levels in people who use the margarine. They want to test this by having some people use the new margarine for a while and then compare their cholesterol levels with those of a group of people who use regular margarine. This is an example of what type of research design?
a. epidemiological study b. case study c. intervention study d. laboratory study e. double-blind study
________________________ is abundant in oat bran, barley bran, psyllium, and legumes; it dissolves in water and may form a gel in the digestive tract. It is often linked to reductions in blood cholesterol
a. Soluble fiber b. Insoluble fiber c. Both A & B
There is no evidence that athletes consuming a diet that is adequate in energy and nutrients need vitamin or mineral supplementation or that such supplementation will improve performance
Indicate whether the statement is true or false