Neural pathways mediating analgesia from the brain to dorsal horn of the spinal cord are classic examples of:
A) ascending transmission.
B) presynaptic facilitation.
C) reflects arcs.
D) descending inhibition.
Correct Answer:
Verified
Q10: Nociceptors are activated by:
A) noise.
B) pain centers
Q11: The miosis produced by opiates is the
Q12: Compared with a pure agonist,a partial agonist
Q13: Within the spinal cord,opiates inhibit pain primarily
Q14: Compared with a pure agonist,a mixed agonist-antagonist
Q17: The major euphoric and analgesic effects of
Q18: Mu receptors for opiates are found in
Q19: Enkephalin is comprised of:
A)beta-endorphin.
B)dynorphins.
C)both beta-endorphin and dynorphins.
D)neither
Q20: In drug-naive and opiate-dependent subjects,respectively,a mixed agonist-antagonist
Q49: The first-pass metabolism of morphine produces:
A)inactive metabolites
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