A nurse assesses that a patient has fear as well as increased heart rate and blood pressure. The nurse suspects increased activity of which neurotransmitter?

a. GABA
b. Histamine
c. Acetylcholine.
d. Norepinephrine


D
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.

Nursing

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During an interview the patient states, "I can feel this bump on the top of both of my shoulders—it doesn't hurt but I am curious about what it might be." The nurse should tell the patient that it is his:

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What assessment that can be done at home is the most reliable for making decisions to change HF medications?

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