The sodium concentration of the blood is primarily regulated by the
A. large intestine.
B. small intestine.
C. kidneys.
D. spleen.
Answer: C
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Bone loss begins slowly, around age 50-60, and leads to osteoporosis. _________________________
Indicate whether the statement is true or false
Which of the following nutrients is the most essential for life?
A. Calcium B. Water C. Protein D. Vitamin D
Which of the following accurately describes how hunger affects behavior in children?
a. Children who fail to eat breakfast typically become hyperactive after eating lunch. b. Children who skip breakfast typically make up the nutrient deficits at later meals. c. Midmorning snacks improve classroom performance all the way to lunchtime. d. Although breakfast-skippers show reduced attention spans, they tend to perform well on tasks requiring concentration. e. Hunger’s short-term effects on behavior are well researched, but there is little evidence regarding its long-term effects.
Which of the following factors can increase LDL-cholesterol?
A) Plant stanols and sterols intakes B) Whole grains intake C) Physical activity D) Trans fats and saturated fats intakes