Three Main Factors That Influence the Amount of Penumbra on a Radiograph

question 42

Multiple Choice

Three main factors that influence the amount of penumbra on a radiograph are:

• A) SID, OID, film speed
• B) size of the focal spot, patient motion, SID
• C) SID, OID, focal spot
• D) grid ratio, mA, SID

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Definitions:

Fairness

The quality of being just, equitable, and impartial; often a subjective measure in economic and social contexts.

True Probability

The actual likelihood of an event occurring, often contrasted with estimated probabilities derived from models or assumptions.

Subjective Probabilities

The individual's personal judgment or estimate of the likelihood of an event occurring, based on their own knowledge and experience.

Event

An occurrence or happening, especially one of significance.