As Amanda drives towards a busy 4-way intersection, a car attempting a left turn ignores her right of way and veers towards her car. Amanda's mind becomes immediately alert, her heart races, and her muscles become tense. This reaction to danger is mediated by the ________________.
A)sympathetic nervous system
B)parasympathetic nervous system
C)somatic nervous system
D)central nervous system

Question

Quizplus · Accepted Answer

Amanda's mind becomes immediately alert, her heart races, and her muscles become tense in reaction to a danger at a 4-way intersection due to the sympathetic nervous system.
Key Takeaway: The sympathetic nervous system alerts the body to react to a stressor. This reactions is also commonly known as the fight-or-flight response because it makes the body ready to either face or flee from the danger. In Amanda's case, the sympathetic nervous system made her heart race and her muscles tense which prepares her for making a decision should an accident happen.

As Amanda Drives Towards a Busy 4-Way Intersection, a Car