Natural Killer (NK)cells

question 86

Multiple Choice

Natural Killer (NK) cells

• A)a type of macrophage.
• B)are a type of plasma cell.
• C)secrete enzymes that kill tumor or virus-infected cells.
• D)are derived from B cells.
• E)promote inflammation.

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Definitions:

Machine Part

A machine part is a component or piece that has been specifically designed and manufactured to perform a particular function within a complex assembly in machinery.

Control Coil

An electromagnetic coil used in electrical circuits to magnetically control the operation of devices like relays or contactors.

Magnetic Forces

The attraction or repulsion that arises between electrically charged particles due to their motion, which is the basis for the operation of electrical motors and devices.

Armature

The rotating part of an electrical machine such as a motor or generator, on which the coils are wound and voltage is induced.