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Author Question: The most effective site for the induction of analgesia in rats using electrical stimulation is the ... (Read 79 times)

jazziefee

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on: Jun 22, 2018
The most effective site for the induction of analgesia in rats using electrical stimulation is the
 
  a. parietal cortex.
  b. parabrachial nucleus.
  c. prefrontal cortex.
  d. periaqueductal gray matter.
  e. posterior cingulate cortex.

Question 2

A person is administered a placebo pain-relieving skin cream just before receiving a painful electric shock. Imaging studies suggest that the placebo analgesic effect is due to
 
  a. decreased activity within the prefrontal cortex and PAG.
  b. decreased activity within the somatosensory cortex.
  c. increased activity within the prefrontal cortex and PAG.
  d. blockade of opiate receptors within the spinal cord.
  e. the release of serotonin within the brain stem.


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polinasid

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: d. periaqueductal gray matter.

Answer to Question 2

Answer: c. increased activity within the prefrontal cortex and PAG.


jazziefee

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Reply 2 on: Jun 22, 2018
Wow, this really help

rachel

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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