B and T Cells Become Activated and Divide to Produce

question 1

Multiple Choice

B and T cells become activated and divide to produce identical cells when _____.

• A) activated by an antigen
• B) major histocompatibility genes are expressed
• C) activated by the presence of cancerous cells
• D) plasma cells begin to produce and secrete antibodies
• E) killer T cells bind to any pathogen

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Definitions:

Bradykinesia

Slowness of movement, which is a common symptom in neurological disorders such as Parkinson's disease.

Craniectomy

A surgical operation that involves taking out part of the skull to reduce pressure on the brain.

Neurons

The basic working units of the brain, specialized cells that transmit information to other nerve cells, muscle, or gland cells.

Nervous System

An organ system consisting of the brain, spinal cord, sensory organs, and all the nerves that connect these organs with the rest of the body, responsible for controlling and communicating information throughout the body.