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A cephalic central ray angulation is required on an AP knee…

A cephalic central ray angulation is required on an AP knee image when the: 1. examination is performed with the patient in an upright position 2. patient’s anterior tibial margin is distal to the posterior tibial margin 3. the patient’s ASIS-to-imaging table measurement is 22 cm 4. the knee is flexed and a curved IR is used

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A reference histogram that evolves by averaging it with the…

A reference histogram that evolves by averaging it with the previous 50 procedures is called a(n) _________ histogram:

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For an AP atlas and axis image: 1.the mandibular angles and…

For an AP atlas and axis image: 1.the mandibular angles and the shoulders are positioned at equal distances from the IR2.the acanthiomeatal line is aligned parallel with the IR3.a 5-degree cephalad angulation is used4.an imaginary line connecting the upper occlusal plane and posterior occiput’s inferior edge is aligned perpendicular to the IR

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If quantum mottle appears on the digital image, what should…

If quantum mottle appears on the digital image, what should be done?

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What radiology descriptor relates to the efficiency of the d…

What radiology descriptor relates to the efficiency of the detector to convert x-ray energy into a radiographic image?

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A recommended practice is to decrease the SID to less than 4…

A recommended practice is to decrease the SID to less than 40 in (100 cm) for the oblique sternum to increase the magnification and resultant unsharpness of overlying ribs.

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The increased contrast resolution of digital imaging systems…

The increased contrast resolution of digital imaging systems allows demonstration of tissue with an inherent subject contrast as low as:

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Exposure factors are 75 kV, 100 mAs, 48-in. SID, 3.0 cm OID,…

Exposure factors are 75 kV, 100 mAs, 48-in. SID, 3.0 cm OID, 1.0 mm focal spot size (FSS), and a 12:1 grid ratio. Which set of technical factors would maintain overall receptor exposure and lower patient dose?

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The recommended dose limit for the pregnant technologist is…

The recommended dose limit for the pregnant technologist is _____ mrem/month.

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For a lateral (Twining) cervicothoracic image, the: 1.patien…

For a lateral (Twining) cervicothoracic image, the: 1.patient is placed in a lateral position2.arm placed adjacent to the imaging table is elevated3.arm placed farther from the imaging table is positioned at a 90-degree angle with the body4.midsagittal plane is aligned parallel with the IR

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