Which of the Following Influences the Amount of Scatter Radiation

question 20

Multiple Choice

Which of the following influences the amount of scatter radiation striking the image receptor but not the production of scatter radiation?

• A) Reduce the exposure field size.
• B) Reduce the tissue thickness.
• C) Increase the grid ratio.
• D) Ask a patient with a large abdomen to lie prone instead of supine.

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Definitions:

Ordinal Data

A type of categorical data where the categories have a natural, ordered relationship.

Wilcoxon Rank Sum Test

A nonparametric test that compares two unrelated samples to determine if there is a difference in their central tendency.

Sign Test

A nonparametric method utilized to identify if a median variance exists between paired data points.

Wilcoxon Signed-Rank Test

A nonparametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.