In the context of prenatal development, which of the following is true of the placenta?
A. It produces the hormones that support pregnancy and prepares the mother's breasts for lactation.
B. It develops and differentiates into the inner layer of skin, muscles, skeleton, and excretory and circulatory systems.
C. It develops into organs that will nurture and protect development in the womb.
D. It transports embryonic wastes to the umbilical cord via embryonic blood vessels.
Answer: A
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Behaviorists would at once REJECT which of these statements? a. A worm increases its activity in the presence of bright light
b. A worm turns toward the food that it likes better. c. A worm increases its activity when its body temperature exceeds 30 degrees Celsius. d. A worm moves upward more slowly than it moves downward.
Of the following words, which one is most descriptive of the cognitive perspective of classical conditioning?
A. substitute B. time C. predict D. subtract
According to Collins and Quillian's semantic network model, it should take longest to verify which statement below?
A. Turtles are turtles. B. A turtle is an animal. C. A turtle is related to a fish. D. A turtle is an amphibian.
The anterior cingulate cortex (ACC) is NOT involved in
a. the feeling of belonging one feels when one is part of a group b. a person feeling excluded from playing a video game c. a young animal emitting distress sounds when separated from its caregiver d. caregivers showing affiliative behaviors when their young make distressed calls