Which of the Following Statements Is True of the Immune

question 118

Multiple Choice

Which of the following statements is true of the immune system and stress?

• A) NK cells are a type of white blood cell that is more likely to be present in high-stress circumstances.
• B) Higher levels of NK cells in stressful situations indicate a weakened immune system.
• C) Immune system functioning increases with normal aging.
• D) Aerobic fitness is related to the presence of a lower level of senescent T cells.

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Definitions:

Antidepressants

Medications designed to improve symptoms of depression by altering chemical activity in the brain related to mood regulation.

Side Effects

Unintended reactions or outcomes that occur in addition to the desired therapeutic effect of a medication or treatment.

Depression

A psychiatric disorder defined by a constant state of depression or an absence of pleasure in hobbies, which significantly interferes with routine life activities.

Withdrawal Symptoms

Physical and mental symptoms that occur after stopping or reducing intake of a substance that the body has become dependent on.