Nightmares usually occur ____

a. during the first half of the sleep cycle
b. during the second half of the sleep cycle
c. at the very beginning and the very end of the sleep cycle
d. at variable times throughout the sleep cycle

b

Psychology

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Cells that convey environmental information; carry out the functions underlying thought, emotion, and movements; and transmit commands out to the body's organs and muscles are called:

A) Neurons B) Dendrites C) Supporting cells D) Phagocytes

Psychology

In a study, people high in hostility were __________ more likely to have a heart attack

a. 27% b. 39% c. 56% d. 65%

Psychology