Amelia, a scientist, studies the body's electrochemical communication circuitry. Amelia is most likely a(n)
A. geoscientist.
B. physiologist.
C. orthodontist.
D. neuroscientist.
Answer: D
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What causes hydrocephalus?
a. poorly developed skull bones in an infant b. interruption of blood flow to the brain around the time of birth c. obstruction in the flow of cerebrospinal fluid d. damage to one of the cranial nerves
Which factor is least characteristic of teens who develop eating problems (Graber et al., 1994)?
a. higher percentage of body fat b. early pubertal maturation c. poor academic achievement d. concurrent psychological problems
Some women with a single active ovary on one side and a single functioning fallopian tube on the other have been known to get pregnant
Indicate whether the statement is true or false
The _____ assumes that humans are motivated to reduce tension, whereas the _____ assumes humans are sometimes motivated to increase tension
a) drive-reduction theory; arousal theory b) arousal theory; hierarchy of needs c) drive-reduction theory; instinct theory d) arousal theory; drive-reduction theory