Selecting Appropriate Radiographic Exposure Techniques Is a Complex Process

question 6

Multiple Choice

Selecting appropriate radiographic exposure techniques is a complex process.If you needed to radiograph a patient with the presence of pneumonia or atelectasis,the pathology would result in a(n) ______________ of the absorption of x-rays.

• A) large decrease
• B) small decrease
• C) increase
• D) no change

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Definitions:

Delta Waves

Brainwaves that are associated with deep sleep and are characterized by their high amplitude and low frequency.

Slow-Wave Sleep

Deep sleep; associated with Stage 3 and Stage 4 sleep.

Alpha Waves

Brain waves detected by an EEG that indicate a state of relaxation or light meditation, typically with a frequency of 8-12 Hz.

Stage 4 Sleep

The deepest stage of NREM sleep, characterized by an EEG pattern of more than 50% delta waves.