The internal organs of the fetus begin to form during the __________ stage of prenatal

development.

a. primary
b. zygote
c. embryonic
d. fetal
e. conception


b. zygote

Psychology

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Which of the following is most true regarding bulimia?

a. The prevalence is higher in Western nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century. b. The prevalence is lower in Western nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century. c. The prevalence is higher in Western nations than other parts of the world, and the number of cases decreased during the latter part of the twentieth century. d. The prevalence is higher in developing nations than other parts of the world, and the number of cases increased during the latter part of the twentieth century.

Psychology

Twyla insists she never dreams; she is convinced of this because she has never recalled a single dream. If Twyla were tested in a sleep lab, it is likely that she would

a. experience REM sleep, but she would only report a dream if she was awakened from slow-wave sleep. b. experience REM sleep, and she would report a dream if she was awakened from REM sleep. c. wake each time she entered REM sleep and show no evidence of completing a full cycle of REM sleep. d. experience REM sleep, but she would not report any dreams if she was awakened from REM sleep.

Psychology

Sitting for long hours correlates with almost every unhealthy condition except

heart disease. diabetes. arthritis. schizophrenia.

Psychology

People with ____ may experience symptoms such as fatigue, muscle tension, restlessness, irritability, sleep disturbances, or difficulty concentrating. Depression may also be present

a. GAD c. PTSD b. panic disorder d. obsessive-compulsive disorder

Psychology