In Older Adults

question 13

Multiple Choice

In older adults,

• A) exercise can aggravate the age-related decline in the immune response.
• B) even a strong immune system does little to protect against common illnesses.
• C) as the immune system ages, T cells become more effective, attacking foreign substances directly.
• D) the immune system is more likely to turn against normal body tissue in an autoimmune response.

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Definitions:

Pollutants

Substances introduced into the environment that cause harm or discomfort to the ecosystem or living organisms, including chemicals, waste materials, and noise.

Foam Insulation

A type of building insulation that is made from various types of foam and is used to reduce heat transfer.

Colourless Gas

A gas that does not have any color visible to the human eye, which can be natural or man-made.

Thermal Inversion Layer

A weather phenomenon where a layer of warm air traps pollution and cooler air beneath it, often leading to poor air quality.