How Might a Psychoneuroimmunologist Explain the Increased Risk of Catching

question 73

Multiple Choice

How might a psychoneuroimmunologist explain the increased risk of catching the common cold during periods of prolonged stress?

• A) Stress increases the number of natural killer cells, which attack the immune system.
• B) Stress increases the number of white blood cells, making the body more susceptible to infection.
• C) Telomeres are lengthened by stress, leaving cells more vulnerable to infection.
• D) Stress disrupts normal chemical communication between the brain and the immune system.

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Definitions:

Electrically

Pertaining to the use or operation by electricity, involving electronic circuits or devices.

Milky Appearance

Describes a condition where a normally transparent or semi-transparent fluid, like oil or hydraulic fluid, has become cloudy, often due to contamination with water.

Aeration

The blending of a gas into a liquid such as the mixing of air into oil by the churning action of rotating gears.

Contamination

The presence of unwanted substances or impurities in a material or environment, which can degrade quality or performance.