The loudness of a sound seems to depend on ______
a. the quality of the sound wave
b. the frequency of the sound wave
c. how many neurons are activated
d. how rapidly the neurons in the ear fire when they are activated
C
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Procedures such as fMRI and PET can help research investigators explore the relationship between brain functions and
a. an individuals' likelihood of becoming depressed later in life. b. specific mental disorders. c. social deficits. d. likelihood of malingering.
Did the phylogenies of the different islands support the theory that one colonization followed by adaptive radiation and convergent evolution occurred?
As a physician specializing in the endocrine system, you see many patients with various types of problems. One patient has dysfunctional adrenal glands. You have advised her to take a course on stress management. Why?
A. her endocrine system cannot produce cortical hormones which would lead to problems in coping with stress B. many physical problems can be treated by stress management C. because the adrenal glands control growth, and stress management may help her D. stress reduces the amount of calcium in the body
Formal operations allow teenagers to:
A. critically consider their beliefs, attitudes, values, and a wide range of topics B. become able to plan for their future C. think independently of what others think D. think rationally, without emotion clouding their reasoning