In Standard Image Intensification Fluoroscopy,an X-Ray Beam Half-Value-Layer (HVL) of 3

question 10

Multiple Choice

In standard image intensification fluoroscopy,an x-ray beam half-value-layer (HVL) of 3 to 4.5 mm aluminum is considered acceptable when peak kilovoltage ranges from:

• A)50 to 60.
• B)60 to 70.
• C)70 to 80.
• D)80 to 100.

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Definitions:

Positive Linear Relationship

A relationship between two variables where increases in the value of one variable are associated with increases in the value of the other variable.

Curvilinear Relationship

A relationship between two variables where the change in one variable is not constant with respect to the change in another.

Nonlinear Relationship

A relationship between variables where the change in one variable does not result in a proportional change in the other variable.

Nonmonotonic

A description of relationships where the direction of change is not consistent across the range of variables.