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.
a
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When Joe looks at distant objects, the lens in his eye focuses light just short of his retina. Joe is likely to experience
a. farsightedness b. nearsightedness c. enhanced low-light vision d. deficient low-light vision
The definition of functional death is completely straightforward.
Answer the following statement true (T) or false (F)
Neurons that respond to specific qualities of objects, such as orientation, movement, and length, are called
A. retinal cells. B. feature detectors. C. dendrites. D. receptors.
In the 1940s and 1950s, psychoanalytic theorists stressed the importance of _____ as the major determinant of homosexuality.
A) birth order B) parenting style C) biology D) peer socialization