Gestation is generally divided into equal periods of
a. 10 weeks, called quarters.
b. 8 weeks, called quintiles.
c. 4 months, called semesters.
d. 3 months, called trimesters.
e. 5 weeks, called periods.
ANS: D
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A limiting amino acid:
a. does not supply the element nitrogen. b. is present in short supply relative to the body's need. c. cannot be used by the body during protein synthesis. d. is used to synthesize non-protein molecules that contain nitrogen.
Which of the following vitamins is often lacking in the diets of older adults?
A. Thiamin B. Niacin C. Pantothenic acid D. Vitamin E
Researchers repeatedly report that people who consume a variety of foods such as fruits, vegetables, legumes, nuts, and whole grains have reduced risks of which of the following diseases?
a. Certain cancers b. Stroke c. Heart disease d. Kidney disease e. a, b, and c
Joan Sussman is in her second trimester of pregnancy and has experienced hyperemesis gravidarum (excessive vomiting, possible fluid and electrolyte imbalances) for 14 days. At this point, she is a candidate for ____
A) a clear liquid diet B) a tube feeding C) peripheral parenteral nutrition D) total parenteral nutrition