According to the article Drinking Without Thinking about the outcomes of prenatal alcohol use, there is no reason why the placenta should recognize and exclude new drugs from the bloodstream of the fetus because the placenta:
(a) is often diseased
(b) does not exclude any problem substances
(c) can become detached and fails to function
(d) evolved before these drugs existed
D
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Prior to implantation, how are the developing cells that will become the fetus nourished?
a. Nourishment is not necessary at this stage of development. b. From the umbilical cord and through the placenta c. From the yolk of the original egg cell d. From the endoderm of the blastocyst
The cocktail party effect in which a person can selectively listen to one out of many conversations is thought to involve ______.
A. the inferior colliculi B. the medial geniculate nucleus C. afferent stimulation of the superior olivary nucleus D. the outer hair cells
Which of the following students is the most likely to receive less favorable feedback from teachers, resulting in a drop in academic self-esteem?
A) Joh, who is from a high-SES family B) Alana, who is Caucasian C) Marina, who is from a middle-SES family D) Stella, who is from a low-SES family
Ebbinghaus, in an effort to remove the varying influence of personal meaning or meaningfulness, created consonant? vowel?consonant combinations called _______ as research materials.
a. neutral semantics b. nonsense syllables c. meaningful stimuli d. neutral stimuli