For a Tissue or an Organ to Function as a Unit

question 14

Multiple Choice

For a tissue or an organ to function as a unit,

• A)there must be a signal molecule to which all cells in the tissue or organ can respond.
• B)there must be cell-cell communication among the cells within a tissue or organ.
• C)the cells within the tissue or organ must be able to depolarize to create cell signals.
• D)the tissue or organ must be composed of all of the same type of cells.

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Definitions:

Bacterial Endocarditis

An infection of the inner lining of heart chambers and valves (endocardium) typically caused by bacteria entering the bloodstream and attaching to damaged areas of the heart.

Intravenous Drug Abuse

The use of drugs administered through the veins in a manner not intended by healthcare providers, often leading to addiction and health risks.

Hemorrhages

Excessive or uncontrolled bleeding, either internally or externally, which can be life-threatening if not managed promptly.

Equilibrium

A condition in which all competing forces or influences are balanced, often used in contexts such as economics, physical sciences, and psychology.