High levels of cortisol may be directly toxic to neurons due to cortisol's ability to
a. promote sleepiness
b. prevent sleepiness.
c. increase the amount of calcium entering neurons.
d. prevent calcium from entering neurons.
c
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On average, adult homosexual males have significantly less testosterone than adult heterosexual males
a. True b. False Indicate whether the statement is true or false
Deciding to join a school club with the goal of making new friends is an example of __________.
A. approach social motivation B. avoidance social motivation C. hierarchy of needs D. drive reduction theory
Before a clinician can diagnose hypersomnia, it is necessary to rule out all of the following EXCEPT a. sleep apnea
b. insomnia c. early life exposure to a viral infection such as mononucleosis. d. current medical conditions that would account for the symptoms.
A drug supplier boasted of having a drug that one could inject, snort, or even drink it in tea. What drug was he referring to?
a. cocaine c. methylphenidate b. heroin d. none of these