An individual hiking in the forest encounters a large poisonous snake on the path. Which change in this individual's vital signs is most likely?

Question

Quizplus · Accepted Answer

This frightening experience would stimulate the sympathetic nervous system, causing a release of norepinephrine, an excitatory neurotransmitter. It prepares the body for fight or flight. Increased blood pressure, pupil size, respiratory rate, and pulse rate signify release of norepinephrine. Intestinal cramping would be associated with stimulation of the parasympathetic nervous system.

An Individual Hiking in the Forest Encounters a Large Poisonous