How many stages are there in non-REM sleep?
A) 4
B) 5
C) 2
D) 3
Answer: A
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A person who suffers from bipolar I disorder typically alternates between periods of __________.
A. anxiety and mania B. depression and mania C. mania and schizophrenia D. depression and schizophrenia
Researchers distinguish jealousy from envy on the basis that jealousy is ____, while envy is ____
a. a fear of losing something that you have; a desire for something that you do not have b. a desire for something that you do not have; a sense of resentment that someone else has something that you don't have c. a fear of losing something that you have; a sense of resentment that someone else has something that you don't have d. a desire for something that you do not have; a fear of losing something that you have
The leading cancer cause of death for American males is
a. prostate cancer b. colon and rectal cancer c. lung and bronchial cancer d. pancreatic cancer e. none of these
Children in the preoperational stage have difficulty understanding conservation, meaning that ______.
a. they tend to waste resources b. they socially isolate themselves from others who differ from them c. objects no longer exist if hidden d. objects do not lose their basic features even when they physically change