For people who need to lower their blood cholesterol levels, the American Heart Association recommends limiting saturated fat intake to ________ of total calories.
A. 5% to 6%
B. 1%
C. 20% to 35%
D. 10% to 12%
Answer: A
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What theory claims that the body tends to maintain a certain weight by means of its own internal controls?
a. set-point theory b. external cue theory c. internal cue theory d. fat cell theory e. evolutionary preset theory
Which of the following is a feature of vitamin A nutrition?
a. Deficiency is common in both the United States and many developing countries b. Toxicity occurs from excess intakes of preformed vitamin A as well as beta-carotene c. Supplements are recommended for certain groups of infants and children infected with the measles in the United States d. In poor countries, supplements prevent and cure night blindness but offer little protection against malaria and lung disease
The three hormones that control calcium balance are:
a. parathyroid hormone, vitamin D hormone, and calcitonin. b. insulin, glucagon, and thyroid-stimulating hormone. c. thyroxine, vitamin B12, and calcitriol. d. aldosterone, renin, and angiotensin.
Vitamin D increases the abundance of calbindin (Ca++ transporter) in enterocytes by increasing the transcription of the calbindin gene.?
Indicate whether the statement is true or false