The ________ prevents large molecules like red blood cells and harmful substances, such as most bacteria and maternal wastes, from entering the fetus.

A. amniotic sheath
B. ectoderm
C. placental wall
D. umbilical cord


Answer: C

Psychology

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In Cattell's system, the mental elements of personality are called:

a. complexes. c. sentiments. b. traits. d. archetypes.

Psychology

Napping during the day for treating insomnia:

A. is to be avoided B. will not disrupt your sleep schedule for that night C. is effective D. prepares you for a good sleep later than night

Psychology

Aristotle believed that, by nature, we are born "good" and some later learn to be evil.

Answer the following statement true (T) or false (F)

Psychology

________ refers to a negative (or positive) evaluation of a group and its members.

A. Discrimination B. Prejudice C. Reciprocity of liking D. Diffusion of responsibility

Psychology