What is the most common non-genetic cause of intellectual impairment and birth defects?
A. smoking during pregnancy
B. fetal alcohol spectrum disorder
C. taking street drugs during pregnancy
D. malnutrition during pregnancy
Answer: B
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The CS pre-exposure effect refers to the ________ as a result of repeated pre-exposure prior to pairing with the US.
a. sensitization of the CS b. devaluation of the US c. slowing of conditioning d. slowing of extinction
A factor that does NOT help us to determine figure from ground is:
A) edges. B) size. C) opponent colours. D) motion.
If SSA = 27, SSA×S = 99, SSsubject = 44, dfA = 3, dfA×S = 33, and dfs = 11, then F ratio equals ______.
A. +2.25 B. +1.33 C. +3.00 D. -1.33
A few weeks before delivery, the fetus usually moves into a "head-down" position in the uterus, referred to as ____
a. engagement c. C-section b. premature birth d. breech position