NREMT Advanced EMT

Category - Medical Knowledge

What can cause a direct neural response from the sympathetic nervous system?
  1. Rush of heat
  2. Drop in blood pressure
  3. Sudden cold
  4. 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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