According to recent research, which of these increase risk-taking behavior in adolescents?
A. synaptic expansion and the thinning of white matter
B. the neurotransmitters epinephrine and histamine
C. synaptic pruning and the thinning of gray matter
D. the neurotransmitters serotonin and dopamine
Answer: D
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In the diathesis-stress model, a stressor is __________.
A. a distal, sufficient cause of a mental disorder B. a necessary or contributory cause that is distal from the onset of symptoms C. a necessary or contributory cause that is proximal to the onset of symptoms D. a biological vulnerability
Procedures and tools that are intended to increase a subject's awareness of a particular behavior by providing feedback are known as
a. projective tests. b. personal profiles. c. structured tests. d. self monitoring devices.
The mean is
a. the arithmetic average. b. the middle score. c. the average of the highest and lowest scores. d. the most common score.
All of the following are primary male sex organs EXCEPT:
A) endometrium. B) epididymis. C) urethra. D) vas deferens.