Your sister is pregnant. She has always been health conscious and exercises regularly. She is planning on engaging in aerobic exercise by continuing to go to her exercise classes. According to most physicians, she should ______________

a. be very careful as this type of exercise during pregnancy could lower muscle mass
b. exercise regularly as she will stimulate the circulatory system and muscles
c. exercise regularly because it lowers the chances of teratogens reaching the fetus
d. avoid aerobic exercise because it has been shown to dangerously increase fetal heart rate

Answer: B

Psychology

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People with Williams syndrome demonstrate which conclusion?

a. It is possible to form long-term memories without having short-term memories. b. It is possible for someone with no language at age 12 to develop it later c. It is possible to have good language despite low overall intelligence. d. It is possible to speak intelligently without being able to understand speech.

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The brain waves associated with the first stage of sleep are called _____ waves.

A) alpha B) beta C) delta D) theta

Psychology