Coombs Reagent Is Used for What Purpose

question 11

Multiple Choice

Coombs reagent is used for what purpose?

• A) To link small antigens on patient red cells
• B) To enhance agglutination with IgG-coated red blood cells
• C) To enhance agglutination with IgM-coated red blood cells
• D) To cause a precipitation reaction with small amounts of antibody

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Definitions:

Xylem

The vascular tissue in plants that conducts water and dissolved nutrients upward from the root and helps form the woody element in the stem.

Dissolved Sugars

Sugars that have been dissolved in a solvent, often water, making them an important energy source for organisms at the cellular level.

Stomata

Small openings on the surfaces of leaves and stems through which gases and water vapor pass.

Companion Cells

Plant cells that are part of the phloem tissue and assist in the distribution of nutrients throughout the plant.