The Central-Ray Angulation for the PA Projection of the Hand

question 116

Multiple Choice

The central-ray angulation for the PA projection of the hand is _____ degrees.

• A) 0
• B) 5
• C) 7
• D) 5 to 7

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Definitions:

Sample Variance

A measure of variation or dispersion of a set of sample values, calculated as the average of the squared differences from the Sample Mean.

Variance

A statistical measure of dispersion, indicating how spread out the values of a dataset are.

Symbol

A mark or character used as a conventional representation of an object, function, or process.

Numerator

The top number in a fraction, indicating how many parts of a whole are being considered.