Antigen Presenting Cells

question 45

Multiple Choice

Antigen presenting cells

• A)include dendritic cells.
• B)include macrophages.
• C)engulf and modify antigen to be more immunogenic.
• D)hold and present processed antigen on their cell membrane surface.
• E)All of these choices are correct.

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Definitions:

Single-phase Synchronous Motor

A type of AC motor that operates at a constant speed, synchronized with the frequency of the supply current.

Hysteresis Motor

A type of synchronous motor that operates using the hysteresis loss principle in the rotor to achieve torque, known for quiet operation and precise speed control.

Impedance

The total opposition to current flow in an AC circuit, including both resistance and reactance, measured in ohms.

Repulsion

A force between two similar or like charges that causes them to move apart.