T Cells and B Cells Can Be Activated Only by

question 156

Multiple Choice

T cells and B cells can be activated only by

• A) disease- causing agents.
• B) exposure to a specific antigen at a specific site in a plasma membrane.
• C) cells infected with viruses, bacteria, or cancer cells.
• D) pathogens.
• E) interleukins, interferons, and colony- stimulating factors.

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Definitions:

Anterior Interventricular Branch

An artery that supplies blood to the front of the ventricles of the heart, often referred to as the left anterior descending artery (LAD).

Circumflex Branch

A branch of the coronary artery that supplies blood to the lateral and posterior surfaces of the left atrium and left ventricle of the heart.

Plateau

A state of little or no change following a period of activity or progress, often used in contexts like physical fitness, learning, and growth curves.

Cytoplasm

The jelly-like substance within a cell, excluding the nucleus, containing organelles, where various cellular processes occur.