NMDA receptors are:
a. chemically gated.
b. voltage gated.
c. activated by serotonin.
d. both chemically and voltage gated.
Answer: D
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Studies of the offspring of nonschizophrenic co-twins from discordant twin pairs suggest that __________.
A. environmental factors play a more important role than genetic factors in the origin of schizophrenia B. genetic factors cause schizophrenia, while environmental factors are essentially unimportant C. a genetic predisposition to schizophrenia may remain unexpressed in some individuals unless it is released by some unknown environmental factors D. the heritability of schizophrenia involves the transmission of a single dominant gene
Gruber and Kreuzpointer (2013) maintain that the problem of low reliability in projective testing stems from
a. lack of validity of projective tests. b. use of category scores instead of image scores. c. incorrect use of internal consistency coefficients. d. low sample size for reliability testing.
All behavior is overt or observable by others
a. True b. False Indicate whether the statement is true or false
Which disorder is NOT an anxiety disorder described in DSM–5?
A) phobia B) generalized anxiety disorder C) seasonal affective disorder D) panic disorder