Signs of malnutrition tend to appear most often in parts of the body where cell replacement occurs at a rapid rate, including all of the following except the:
a. hair.
b. skin.
c. respiratory tract.
d. digestive tract.
c
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A variation in a single nucleotide of a DNA strand is called a(n) ____
a. RNA switch b. thymine substitution c. environmental mutation d. single nucleotide polymorphism e. replication failure
Dual-energy X-ray absorptiometry (DEXA) determines which of the following body composition components that cannot be determined by other commonly used methods?
a. Fat mass b. Fat-free mass c. Bone density d. Total body water
Shelly was following a low-carbohydrate (25 grams CHO/day) diet for weight loss prior to conceiving, and now that she is pregnant she knows that she has to eat more. How many more grams of carbohydrate should Shelly plan to eat per day?
a. 100 b. 125 c. 150 d. 175
Malik goes to the movie and consumes a piece of pizza, a diet cola, and a large tub of salted popcorn. How will Malik's kidneys regulate his fluid balance and adapt to this high-sodium meal? Explain why it is an oversimplification to say that sodium is harmful to the body.
What will be an ideal response?