The Contrast Indicator, or Density Difference, Value from Sensitometric Testing

question 9

Multiple Choice

The contrast indicator, or density difference, value from sensitometric testing of mammographic film processors must not vary by more than ____ from the initial control value.

• A)±0.01%
• B)±0.03%
• C)±0.05%
• D)±0.15%

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Definitions:

Proximity Switch

A device that detects the presence or absence of an object or material without physical contact, often used in industrial applications for automation.

Sound Waves

Mechanical vibrations that travel through a medium such as air, water, or solid materials, and can be heard when they reach a human or animal ear.

Pulses

Rapid, transient changes in the amplitude of an electrical signal, often used to convey information or trigger specific actions in electronic devices.