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popbut popbut
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6 years ago
A patient has fear as well as increased heart rate and blood pressure. The nurse suspects increased activity of which neurotransmitter?
 
  a. Gamma-aminobutyric acid (GABA)
  b. Norepinephrine
  c. Acetylcholine
  d. Histamine
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k11
wrote...
6 years ago
ANS: B
Norepinephrine is the neurotransmitter associated with sympathetic nervous system stimulation, preparing the individual for fight or flight. GABA is a mediator of anxiety level. A high concentration of histamine is associated with an inflammatory response. A high concentration of acetylcholine is associated with parasympathetic nervous system stimulation.
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