Which of the Following Produces the Greatest Amount of Scatter

question 56

Multiple Choice

Which of the following produces the greatest amount of scatter radiation exiting the patient?

• A) Low kVp and small field size.
• B) Low kVp and large field size.
• C) High kVp and small field size.
• D) High kVp and large field size.

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Definitions:

Chemotaxis

Attraction of living protoplasm (cells) to chemical stimuli.

Vasodilation

Increased diameter of blood vessels.

Histamine

A compound released by cells in response to injury and in allergic and inflammatory reactions, causing contraction of smooth muscle and dilation of capillaries.

Prostaglandins

A group of lipid compounds that are derived enzymatically from fatty acids and have important functions in the body, including in inflammation and as hormone-like messengers.