A Wedge Filter Is Used to Alter the Isodose Distribution

question 11

Multiple Choice

A wedge filter is used to alter the isodose distribution on an anterior chest field.The monitor units setting must be ___________ to account for the wedge filter in the field.

• A) increased
• B) decreased
• C) unchanged

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Definitions:

Hydrophilic Molecules

Molecules that are attracted to water and can dissolve in it easily, due to their polar nature.

Plasma Membrane

A semipermeable lipid bilayer that surrounds the cytoplasm of cells, controlling the movement of substances in and out of the cell.

Membrane Potential

A difference in electric charge between the two sides of a membrane.

Membranes

Thin layers of tissue that cover surfaces, lines cavities, and separates or connects spaces or organs in a living organism.