It is the job of the __________ to keep teratogens from reaching the fetus
a) Umbilical cord
b) Placenta
c) Amniotic fluid
d) Prenatal development
Answer: b
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Polygenic traits
a. are transmitted by a single pair of genes. b. are uncommon in humans. c. are transmitted by the mother. d. come from the combination of more than one gene.
Jeff habitually finds women who are dating someone else as the most attractive. His attempts at finding a suitable partner is self-defeating because he is using
a. a counterproductive strategy on a regular basis. b. deliberate self-destruction. c. tradeoffs to feeling lonely. d. intentionally trying to escape from immediate, painful feelings.
Many axons in the optic tract form synapses to the _________ nucleus of the thalamus.
A. medial geniculate B. lateral geniculate C. ventral posterior D. ventral posterior medial
Jacob and his mother are driving home from school. Jacob, who is sitting in the back seat behind his mother, is telling a story about his foot getting hurt
Of course, his mother, who is driving, cannot see his foot, but Jacob keeps pointing to his foot, saying, "Mommy, see where I have my boo-boo?" Jacob is suffering from a. conservation. c. centration. b. a lack of object permanence. d. egocentrism.