In kwashiorkor, the loss of hair color is indirectly related to
a. lack of tyrosine.
b. elevated levels of blood homocysteine.
c. excessive exposure to the sun's UV rays.
d. being nursed by a poorly-nourished mother.
e. increased blood lead levels.
ANS: A
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The first step in carbohydrate counting is to _____.
a. determine an appropriate carbohydrate allowance b. figure out the amount of added sugar currently consumed c. determine the ideal body weight d. make a list of favorite foods e. determine the appropriate protein intake
Which of the following would not enhance absorption of the iron found in supplements?
a. consuming the supplement with a meal containing beef. b. taking it with a calcium supplement c. taking the supplement with a meal containing fish d. consuming it with orange juice
The genetic disorder caused by a single amino acid error in hemoglobin is called
A. phenylketonuria (PKU). B. cystic fibrosis. C. sickle cell anemia. D. marasmus.
All of the following are branched-chain amino acids except ________.
A. leucine B. valine C. isoleucine D. tyrosine