Stress responses are the physical and the thoughts about a situation. Whitney was experiencing a fight or flight type of stress response.
It is a type of stress response that is automatic and is given as a reaction to stressful and frightening conditions. It is given as a response to the stress stimuli.
The body in the flight or fright mode reacts by releasing the adrenaline hormone that diverts the blood flow to conserve energy.
Therefore, Whitney was experiencing option a. fight-or-flight response.
Learn more about fight-or-flight response here:
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