A human cell normally contains __________ pairs of chromosomes.

A. 23
B. 46
C. 69
D. 92


Answer: A

Psychology

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After suffering a stroke, Lisa was able to understand what people said to her but was unable to speak to them. The stroke probably damaged her:

A) hypothalamus. B) Broca's area. C) nodes of Ranvier. D) cerebellum.

Psychology

Evan got the stomach flu after eating chocolate cake. Now he cannot stand the sight of chocolate. His attitude was shaped by ______.

A. classical conditioning B. social learning C. operant conditioning D. self-affirmation

Psychology

Maria is three years old. Maria and her mother meet friends for lunch at a neighborhood coffee shop. In the area the owner has designated a children's play area, there are many toy trucks, cars and dolls to play with. Research on the development of sex-typing indicates that Maria most likely:

A. will play with a toy car because she doe not have one at home B. will play with all of the toys equally C. will play with a doll, because they are bigger than the trucks D. will play with a doll, because she believes it to be a “girls” toy.

Psychology

Low-birth-weight babies are those who weigh less than ________ pounds at birth.

A. 10 B. 5-1/2 C. 6-1/2 D. 7

Psychology