Question

current attempt in progress
you are walking down a hall and your friend decides its a great idea to jump out at you and scare you. when she does, you have a startle reflex. your pulse and blood pressure increase suddenly, your muscles tighten, and your eyes open wide. during this incident, the ____________ nervous system would be activated.
parasympathetic
central
somatic
sympathetic

Explanation:

The sympathetic nervous system is responsible for the body's "fight - or - flight" response. When startled, the body exhibits symptoms like increased pulse, blood pressure, muscle tightening, and widened eyes which are part of this response. The parasympathetic nervous system is for "rest - and - digest", the central nervous system consists of the brain and spinal cord and is not directly the system activated in this response, and the somatic nervous system controls voluntary muscle movement and sensory perception related to the body's surface, not the involuntary response to fear.

Answer:

D. sympathetic