AP PSYCHOLOGY

MOTIVATION EMOTION AND STRESS

MOTIVATION AND EMOTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Stress affects the immune system by
A
increasing its activity, thus providing more protection from illness.
B
reducing its activity, thus causing the body to become more vulnerable to illness.
C
altering its activity to defend against specific illnesses.
D
reducing its activity initially, but then increasing its activity after an adjustment period.
Explanation: 

Detailed explanation-1: -Many factors contribute to stress. But whatever the cause, stress creates a hormone in your body called cortisol. Cortisol can suppress your immune system’s effectiveness in fighting off invaders by lowering the number of lymphocytes present in the blood and interfering with normal white blood cell communication.

Detailed explanation-2: -Stress and Immune System Function Stress can reduce the number of natural killer cells or lymphocytes in the body, which are needed to fight viruses, according to the American Psychological Association.

Detailed explanation-3: -When we’re stressed, the immune system’s ability to fight off antigens is reduced. That is why we are more susceptible to infections. The stress hormone corticosteroid can suppress the effectiveness of the immune system (e.g. lowers the number of lymphocytes).

There is 1 question to complete.