The thin membrane that moves in and out in response to sound waves colliding with it and passes the vibration on to the middle ear is the
a. auditory nerve.
b. basilar membrane.
c. tympanic membrane.
d. auditory ossicle.
C
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Which of the following is an example of group polarization?
a. A basketball team—simply by reason of being a cohesive group—automatically identifies another team as a "rival." b. A political committee tends to make more extreme decisions than any of its individual members would alone. c. A group of students tends, automatically, to divide themselves up into several smaller groups or cliques. d. A student council divides itself into two directly opposing points of view when debating new issues.
IQ scores for fraternal twins are more alike than those of ordinary siblings because
a. parents tend to treat fraternal twins alike. b. the genetic make-up of fraternal twins is exactly the same. c. fraternal twins are always the same sex. d. fraternal twins are not identical but are more genetically alike than ordinary siblings.
When publishing or professionally presenting research data, all individuals who "______" to the work should be recognized as an author.
A. have substantially contributed B. have contributed anything C. are associated at all D. have donated time
The liver sends information about available glucose and fatty acid levels to the brain via the __________ nerve.
A. Trigeminal B. Glossopharyngeal C. Vagus D. hypoglossal