Stress May Weaken the Immune System in Part by Increasing

question 73

Multiple Choice

Stress may weaken the immune system in part by increasing

• A)the number of lymphocytes in the bloodstream.
• B)blood pressure.
• C)unhealthy behaviors.
• D)physical exertion and rest.

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Definitions:

Sphincters

Circular muscles that maintain constriction of a natural body passage or orifice and that relax as required by normal physiological functioning.

Urinary Bladder

A muscular sac in the pelvis that stores urine until it is expelled from the body.

Peritubular Capillary Network

A network of tiny blood vessels that surrounds the tubules in the kidneys, playing a critical role in the process of reabsorption and exchange of substances between blood and the tubular fluid.

Afferent Arteriole

A small artery that leads toward the capillaries of the glomerulus in the kidney, playing a key role in the filtration of blood.