What is the name of the protective insulation that surrounds parts of neurons and speeds the transmission of electrical impulses along brain cells?
a) Reticular formation
b) Corpus callosum
c) Myelin
d) Cerebellum
Answer: c
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Suppose that a test claims to measure "cleverness" in preschoolers. If the cleverest children earn the highest scores on the test, then the test is strong on
a. temporal stability. b. interrater reliability. c. validity. d. benefits-to-risk ratio.
Which of these is the most accurate definition of puberty?
a) beginning of adolescence b) time when individuals reach full sexual maturity c) time of life when the greatest physical growth occurs d) term that refers to the occurrence of menarche and nocturnal emissions
Which of the following statements is true of passive euthanasia?
A) It is illegal throughout the United States. B) It is legal if performed in accordance with the wishes of patients. C) It is not carried out to hasten the death of patients. D) It is the sedation of terminally ill patients to reduce pain.
Jennifer offers to give Charlie a ride to the airport because she knows he is tight on cash and can't afford to take a taxi. Jennifer's motivation for helping can best be described as:
a. altruistic. b. reliable. c. egoistic. d. consistent.