Which of the following sex chromosome abnormalities leads to a child who will be infertile?
A) XYY syndrome
B) Trisomy X
C) Klinefelter syndrome
D) none of the above
C) Klinefelter syndrome
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Marcia is unsure about whether Jan is her best friend. She thinks about how many times she has listened to Jan complain about her boyfriend, helped Jan study for difficult exams, and brought soup to Jan when she was sick. Marcia realizes that she, herself, calls or visits Jan almost every night. After thinking about all this, Marcia concludes that Jan must be her best friend. This conclusion is
based on a process described by ____ theory. a. self-awareness b. social comparison c. self-discrepancy d. self-perception
What did Sigmund Freud identify as the key to understanding the psychological problems he observed in his patients?
A. Free will B. Brain physiology C. The unconscious mind D. External consequences
The neurons of the lateral hypothalamus that release ___ help to stabilize the sleep and waking system, to prevent inappropriate switching into sleep
a. serotonin b. orexin c. glutamate d. histamine
According to the ego-depletion model of self-control, which of the following should be most difficult after a period of time in which you have had to exercise a lot of self-control?
A) ?Sleeping B) ?Eating C) ?Relaxing D) ?Concentrating