Children born with phenylketonuria __________.
A. lack the amino acid phenylalanine
B. lack a liver enzyme needed to break down the amino acid phenylalanine
C. have a disorder of lipoid metabolism
D. are unable to metabolize the lipoid phenylalanine
Answer: B
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The definition of aerobic exercise provided in your text is exercise that places moderate stress on the heart by maintaining a pulse rate of ____ to ____ percent of its maximum heart rate
a. 75; 90 b. 40; 70 c. 50; 75 d. 60; 90
In the Moro reflex, a newborn infant
a. blinks for protection against light or foreign objects. b. extends its arms and arches its back when its head falls backward or in response to loud noise. c. turns its head towards a cheek that has been touched. d. fans out and curls its toes when the sole of its foot is stroked. e. curls its fingers around an object that touches the palm.
Define circadian rhythm. What behavioral changes occur when this is disturbed?
What will be an ideal response?
In Berkley's 1997 review, she indicated that "the most striking feature of sex
differences in reported pain experience is…" a. women's greater sensitivity to pain b. women's better discrimination between painful stimuli c. men's higher pain thresholds d. men's lower pain thresholds e. the apparent overall lack of them