Which of the following statements is NOT true regarding iron needs in infancy?
a. Providing iron to iron-deficient babies will prevent cognitive impairment.
b. Iron is needed for the formation of brain cells.
c. Most infants have sufficient iron stores to meet their needs until four months of age.
d. Babies born prematurely or who were exclusively breastfed without iron supplements are at highest risk of developing iron-deficiency anemia.
Ans: a. Providing iron to iron-deficient babies will prevent cognitive impairment.
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Which of the following drugs is an example of nucleoside and nucleotide reverse-transcriptase inhibitors?
A. nevirapine B. enfuvirtide C. zidovudine D. saquinavir E. elvitegravir
An optimal LDL-cholesterol level is ____, while an optimal HDL-cholesterol level is ____
a. ? 240 mg/dL; < 40 mg/dL b. 70-159 mg/dL; > 30 mg/dL c. < 70 mg/dL; ? 50 mg/dL d. <150 mg/dL; ? 40 mg/dL e. It is irrelevant as long as your total cholesterol is lower than 170 mg/dL.
Which of the following is a role of insulin in carbohydrate metabolism?
a. Increases glycogenolysis in the muscle cell. b. Promotes transport of glucose into brain cells. c. Increases gluconeogenesis in the liver cell. d. Increases glycogenesis in the liver cell.
What has to occur before the absorption of a drug?
a. cooling b. heating c. lubrication d. dissolution