Mark got paint stripper in his eye and the hospital gave him morphine, so he was feeling no pain when he got home. Why was this drug most likely effective?
A) Because the brain is most accepting of novel types of chemicals
B) Because its properties resemble those of natural brain chemicals
C) Because it stimulates the brain to release its own neurochemicals
D) Because the mechanisms of opiates may involve both (b) and (c)
Correct Answer:
Verified
Q11: PET scan and fMRI imaging show that
Q12: When pain is experienced in some other
Q13: Primary afferents convey sensory impulses to the
A)
Q14: _ are chemicals that carry information between
Q15: More than half of all sensory afferents
Q17: _ are neurochemicals that help modulate, or
Q18: _ neurons carry nerve impulses away from
Q19: Nociception refers to the process of perceiving
Q20: The branches of nerve bundles are _
Q21: Victoria has just cut her hand with
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