Which food is classified as a high-glycemic index food?
a. waffles
b. popcorn
c. raisins
d. banana
e. tomato juice
Q. 2Which organ secretes glucagon and insulin in response to changing blood glucose levels?
a. appendix
b. pituitary gland
c. liver
d. pancreas
e. hypothalamus
Q. 3Which organ regulates the amount of glucose circulating in the blood by either synthesizing glycogen or breaking down glycogen?
a. kidneys
b. gallbladder
c. appendix
d. thyroid
e. liver
Q. 4The greatest single source of added sugars in the American diet is ____.
a. fruit drinks
b. cookies
c. candy
d. regular soft drinks
e. ice cream
Q. 5Binders in some fibers chemically link to which nutrients, thereby making them unavailable for absorption?
a. zinc and calcium
b. vitamins C and D
c. sugars and iron
d. B vitamins and vitamin C
e. iron and B vitamins
Q. 6According to the Dietary Guidelines, what proportion of grain servings should be consumed from whole-grain sources?
a. 100 percent
b. 75 percent
c. 50 percent
d. 33 percent
e. 25 percent
Q. 7In the process of refining wheat into white flour, what part of the kernel is retained?
a. chaff
b. endosperm
c. bran
d. germ
e. husk
Q. 8One of the most effective stool-softening fibers is found in ____.
a. wheat bran
b. apples
c. legumes
d. oat bran
e. carrots
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