A process in which high-frequency sound waves scan the mother's womb to produce an image of the unborn baby, whose size and shape can then be assessed, is called
a. amniocentesis. c. ultrasound sonography.
b. chorionic villus sampling. d. embryoscopy.
c
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If you stay in a cave with no light, you still maintain a 24-hour cycle of waking and sleeping. Why?
a. Your brain generates the cycle b. You detect the pull of the moon, just as the tides do. c. You respond to slight changes in temperature. d. You maintain a learned habit.
Which of the following statements about mate selection is true?
A) Romantic love is rarely an important factor in mate selection. B) Little support exists for the idea that "opposites attract." C) People rarely select partners that resemble themselves. D) Partners who are similar in personality tend to be less satisfied with their relationship.
Which disorder shows an equal sex ratio?
What will be an ideal response?
When a person is experiencing repression, the forgetting that takes place is
a. retroactive. b. proactive. c. unconscious. d. explicit.