The reaction to being startled and the increases in blood pressure and other physiological responses is known as

Question

Quizplus · Accepted Answer

The fight-or-flight response is a physiological reaction that occurs in response to a perceived harmful event or threat, including being startled. It involves the release of hormones like adrenaline and an increase in heart rate and blood pressure, preparing the body for either fighting or fleeing. A is incorrect because a stressor is the external event or situation that triggers the stress response. C and D are incorrect because pessimism and hostility are personality traits or attitudes that may affect how one experiences and copes with stress, but they are not the physiological responses to being startled.

The Reaction to Being Startled and the Increases in Blood