Most episodes of insomnia are ________ and stem from ________
a. temporary; stressful events
b. chronic; stressful events
c. chronic; underlying psychological problems
d. temporary; underlying psychological problems
Answer: a
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The rural cemetery movement created a memento mori that encouraged people to "remember death."
Indicate whether the statement is true or false
What percentage of American 4-year-olds did a 2009 study report were already obese?
a. 4.2%. c. 18.4%. b. 11.5%. d. 33.3%.
Right after a car accident, __________ is (are) released to act as a temporary pain killer
a. norepinephrine c. serotonin b. endorphins d. dopamine