Feeling tired after a long day of work, you walk across a parking lot at night to get to your car. As you approach the car you see a shadow extending behind the back of the car. You immediately feel a rush of energy, your heart starts pounding, and you feel wide awake and alert. You are experiencing
A)an allergic reaction.
B)a surge in blood glucose.
C)the fight-or-flight response.
D)effects of endocrine disruptors.

Question

Quizplus · Accepted Answer

The described physiological responses (rushing energy, increased heart rate, and alertness) are all characteristic of the fight-or-flight response, which is the body's automatic response to perceived danger or threat. This response can be triggered by seeing a shadow or any other potential threat.

Feeling Tired After a Long Day of Work, You Walk