You are watching sleep researchers monitor the sleep of a normal adult. The participant is hooked up to an EEG. What brain waves would you observe as the person becomes drowsy and then enters the first stage of sleep?
A. alpha eventually replaced by delta
B. delta eventually replaced by theta
C. beta eventually replaced by alpha
D. delta eventually replaced by beta
Answer: C
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In the Schachter-Singer experiment, subjects explained their arousal by focusing on the situation.
Answer the following statement true (T) or false (F)
Bettina was diagnosed with schizophrenia in the late 1960s and was put on Haldol (haloperidol). Bettina lived a relatively normal life until recently, when she began uncontrollably thrusting out her tongue, squinching her face, and flailing her arms and legs. It appears that Bettina has developed
A. mania. B. tardive dyskinesia. C. Parkinson's syndrome. D. muscular dystrophy.
Haley is on antidepressants and now shows lower impulsivity. The antidepressants have likely increased ___________
a. her serotonin levels b. her blood pressure c. the amount of air she can take into her lungs d. the amount of time she thinks about her mistakes
In cell differentiation, the trophoblast will eventually become the
A) heart and lungs. B) spinal cord and brain. C) amniotic sac, placenta, and umbilical cord. D) limb buds.