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Manddiiee28 Manddiiee28
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6 years ago
Which of the following is a chemical agent utilized within the autonomic nervous system?
 
  a. histamine c. levonorgestrel
  b. norepinephrine d. methylxanthine
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6 years ago
ANS: B

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A Incorrect: This is not an ANS neurotransmitter.
B Correct: Norepinephrine and acetylcholine are the ANS neurotransmitters.
C Incorrect: This is not an ANS neurotransmitter.
D Incorrect: This is not an ANS neurotransmitter.
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