Which pairing of receptor type and action is correct?
A. metabotropic; direct opening of an ion channel
B. ionotropic; more time required to open an ion channel
C. metabotropic; G-protein activation leads to activation of a second messenger
D. metabotropic; second messenger effects are specific to opening ion channels
Answer: C
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How do personality traits differ from personality states?
a. A trait is more temporary. b. A trait is more permanent. c. A trait is more pleasant. d. A trait is more unpleasant.
Which of the following is not an explanation for the difficulty in determining the teratogenic effects of illicit drug use?
a. Women who abuse drugs rarely maintain the use of a single drug during pregnancy. b. Poor nutrition and lower socioeconomic status often accompany drug use. c. The incidence of drug abuse during pregnancy has hit an unprecedented low, making research in this area of study difficult to conduct. d. Drug-abusing mothers are less likely to receive proper prenatal care.
Which neuroimaging technique provides good "when" information but not very good "where" information?
a. ERP b. CT scan c. fMRI d. the Penfield technique
Which factor is associated with intelligence in children and adults?
A. motor skills B. bonding ability C. processing speed D. emotional development