The nurse gives the example of when an individual becomes frightened and experiences increased heart rate and mental activity,along with increased blood flow to the skeletal muscles and dilated pupils,the person is experiencing an alarm reaction that helps the body defend against stressors.This alarm reaction is the:

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The alarm reaction causes the body to respond to stress physiologically.Hormone levels,heart rate,cardiac output,respiratory rate,oxygen intake,and mental energy are increased,and the pupils dilate.These reactions together are called the fight-or-flight response.

The Nurse Gives the Example of When an Individual Becomes