The Moro reflex occurs when the
a. baby is rooting or nursing.
b. bottom of a baby's foot is stroked.
c. baby is startled.
d. baby is held under his or her arms as if standing.
ANSWER: c
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Adolescents who have no close friendships tend to:
A. develop loneliness and reduced self-worth. B. develop healthier self-esteem than their peers. C. engage in more delinquent behavior than their peers. D. become more social as they grow older.
Marvin, who lives in San Francisco, has been asked to host a teenage alien, Regor, as part of an intergalactic exchange program. Marvin is sure that Regor would love to experience the adventure of sailing, but decides he should introduce the concept of a “sailboat” first. Marvin tries to describe the common features of a sailboat. He explains that they are pointed at the front and square at
the back, have a tall mast to hold up the sail, and have one or two triangular sails. Which of the following demonstrates a problem with this approach? a. ?Some sailboats have more than one mast and more than two sails. b. ?This description does not describe a specific sailboat. c. ?This description does not provide an average of all relevant features. d. ?Some sailboats are longer than others.
The __________ system is to boys as the _________ system is to girls
a. Wolffian; Müllerian b. Stausberg; Flynn c. Müllerian; Wolffian d. Flynn; Stausberg
The deer waits motionlessly, hidden in the thicket as the band of hunters approaches. As they get closer, their dogs bark, picking up the scent of their prey. In a futile effort to escape, the deer bolts. Which of the following most accurately describes
the system of the hunted deer at this point? a. Its sympathetic nerve fibers are more active than its parasympathetic nerve fibers. b. Its parasympathetic nerve fibers are more active than its sympathetic nerve fibers. c. Both its sympathetic and parasympathetic nerve fibers are equally active. d. Neither its sympathetic nor its parasympathetic nerve fibers are aroused.