All of an embryo's major organs and body parts have formed by about how many weeks after conception?
A) 4
B) 8
C) 16
D) 32
B
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The temperament dimension of fearfulness and irritability has been found to correspond to the adult personality dimension of ________.
A. conscientiousness B. agreeableness C. extraversion D. neuroticism
Which statement concerning differences in brain structure between individuals with and without schizophrenia is accurate? a. Individuals with schizophrenia have enlarged ventricles; individuals without schizophrenia do not
b. Older adults with schizophrenia have demonstrated a strikingly rapid loss of gray matter compared with non-affected age peers. c. Decreased cortical volumes have been found in individuals with schizophrenia, but not in people who do not have the disorder. d. Individuals with schizophrenia have decreased volume in the cortex and other areas of the brain.
When Bayley retested a group of representative adults who had been tested as children, she found that intelligence was still improving at age 36
Indicate whether this statement is true or false.
Arlotta has been participating in a study investigating the effects of REM sleep
deprivation. After several nights of being awakened just as she entered each period of REM sleep, she is allowed to sleep through the entire night. Electrophysiological measurements revealed that on this night Arlotta a. slept about two hours longer than she normally does. b. slept about two hours longer than she did when she was deprived of REM sleep. c. spent the typical amount of time in REM sleep. d. spent more time than normal in REM sleep. e. spent less time than normal in REM sleep.