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NREMT Advanced EMT Practice Test #4

Category - EMT-I/99

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What can cause a direct neural response from the sympathetic nervous system?

Rush of heat
Drop in blood pressure
Sudden cold
Increase in blood pressure

Explanation

Answer - B - A drop in blood pressure can cause a direct neural response from the sympathetic nervous system. This response is immediate. A nerve fiber stimulates the adrenal medulla to release catecholamines, epinephrine, and norepinephrine. It takes few minutes for the hormonal response to be activated.

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NREMT Advanced EMT Practice Test #4

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