Which statement about prenatal exposure to cocaine is true?
A. Cocaine expands blood vessels, causing the developing organism to receive too much oxygen.
B. Cocaine expands blood vessels, causing the developing organism to produce too much carbon dioxide.
C. Cocaine constricts blood vessels, causing oxygen delivered to the developing organism to fall for 15 minutes following a high dose.
D. Cocaine constricts blood vessels, causing oxygen delivered to the developing organism to increase for 15 minutes following a high dose.
Answer: C
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