Practice Quiz

NREMT Paramedic

Category - Medical

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When stimulated, what is designed to help humans react to severe stressors?
  1. Skeletal System
  2. Nervous System
  3. Sympathetic System
  4. Peripheral Nervous System
Explanation
Answer: C - When stimulated, the sympathetic system is designed to help humans react to severe stressors. The stimulation causes pupillary dilation, an increase in heart rate, an increase in the force of cardiac contractions, peripheral vasoconstriction, and an increase in metabolic rate. All these reactions are designed to help meet the challenge of a severe physical or psychological stressor.
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