Which of the Following Is the Most Favorable Situation for the Overall

question 3

Multiple Choice

Which of the following is the most favorable situation for the overall goal of radiation therapy?

• A) Radiosensitive tumor and radiosensitive normal tissue
• B) Radiosensitive tumor and radioresistant normal tissue
• C) Radioresistant tumor and radioresistant normal tissue
• D) Radioresistant tumor and radiosensitive normal tissue

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Definitions:

Circle

A round plane figure, every point of which is equidistant from a fixed center point, defined by the equation (x-h)^2 + (y-k)^2 = r^2 in a coordinate plane.

Radius

The distance from the center of a circle to any point on its circumference.

Center

In geometry, the central point of a circle or sphere, equidistant from all points on the perimeter or surface.

Radius

A line segment from the center of a circle to any point on its circumference, or the length of this segment.