Approximately _________ percent of auditory nerve fibers make connections with outer hair cells, whereas _________ percent make connections with inner hair cells.
A. 5; 95
B. 25; 75
C. 50; 50
D. 95; 5
Answer: A
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Certain medical tests are controversial because they correctly report the presence of a disease most of the time, but also falsely report it in many healthy people. This problem is an example of what?
a. Social learning theory b. Gestalt theory c. Signal-detection theory d. Opponent-process theory
If the EEG record reveals evidence of sleep spindles, you are likely to conclude that the sleeping person is in which stage of sleep?
A. REM B. NREM Stage 1 C. NREM Stage 2 D. NREM Stage 4
If the dendrite is the "input" structure of the neuron, the output structure is the:
A. soma B. axon C. myelin D. lobe
Which statement concerning relationships in old age is true?
a. Social supports impact psychological but not physical health. b. Relationships with a spouse can undermine emotional well-being. c. Being involved with others wears the body down faster than living in isolation. d. Efforts to reduce loneliness in socially isolated elderly adults have not been shown to have any positive impact.