Which statement is true of the spinal nerves?
A. Incoming sensory signals arrive via the ventral roots of the spinal cord.
B. The cell bodies of efferent fibers lie in the gray matter of the spinal cord.
C. Outgoing motor signals travel via the dorsal roots of the spinal cord.
D. The cell bodies of efferent fibers lie in the spinal cord white matter.
Answer: B
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Which term is used to describe the natural physical decline brought about by aging?
A. maturation B. puberty C. senescence D. deterioration
According to Russell and Medawar, psychology’s persistent questions are most appropriately addressed _____ rather than_____.
a. empirically; introspectively b. scientifically; spiritually c. biologically; culturally d. philosophically; scientifically
Suppose that you have a friend who wants to meet an acquaintance of yours. You realize that your friend and acquaintance are both very similar in their interests and behaviors. Describe how would you explain to your friend how to go about approaching your acquaintance, and the reason why.
What will be an ideal response?
Cigarette smoking during pregnancy:
a. has no long-term adverse effects. b. is not toxic to the developing fetus since the placenta protects it from harm. c. is associated with low-birth weight and increased risk of stillbirth and infant mortality. d. is only a problem if the woman smokes; secondhand smoke holds no risk for the developing fetus.