When the Receptor of a T_H Cell Binds to a Pathogen

question 146

Multiple Choice

When the receptor of a T_H cell binds to a pathogen presented on a macrophage, it

• A) inactivates itself.
• B) secretes cytokines.
• C) inactivates B cells.
• D) inactivates the macrophage.
• E) becomes a T_C cell.

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Definitions:

Sympathetic Stimulation

Activation of the sympathetic nervous system, leading to responses like increased heart rate and blood pressure.

Toxic Conditions

States of health compromised by the presence of harmful substances in the body, leading to adverse effects.

Tachycardia

An abnormally rapid heart rate, often defined as a heart rate exceeding 100 beats per minute in adults.

Repolarize

A process by which a cell restores its negative internal charge relative to the outside, typically after an action potential in neurons.