What Is the Function of NK Cells

question 32

Multiple Choice

What is the function of NK cells?

• A) They phagocytose virus particles.
• B) They release defensins to damage bacteria.
• C) They identify and poison virus-infected cells.
• D) They release toxins to damage helminth parasites.
• E) They release interferons in response to detecting virus particles.

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Definitions:

Sodium Ions

Positively charged atoms (cations) of sodium, crucial for various physiological processes including nerve impulse transmission and muscle contraction.

Serotonin

Serotonin is a neurotransmitter that has a key role in stabilizing mood, feelings of well-being, and happiness, as well as regulating sleep, digestion, and other bodily functions.

Dopamine

A neurotransmitter involved in many functions, including mood, sleep, learning, motivation, and reward.

Myelin Sheath

A fatty covering that surrounds and insulates nerve fibers, speeding up the transmission of nerve impulses.