The analgesia-mediating axons descending in the dorsal columns originate in
A) the PAG.
B) the raphé nucleus.
C) SI.
D) SII.
E) the ventral posterior nuclei.
Answer: B
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What will be an ideal response?
According to the Monitoring the Future study, low-income black and Hispanic students spent longer hours working outside school than higher-income white and Asian students, and yet were less likely than the latter to show negative outcomes such as substance use and declining grades. Interviews with the students indicated a possible reason for this finding, which is that the low-income students
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