Exposure III Exam 1

Exposure III Exam 1

University

30 Qs

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Exposure III Exam 1

Exposure III Exam 1

Assessment

Quiz

Other

University

Hard

Created by

Shawn Farias

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

With increasing kVp levels, it is important to remember that with digital receptors and DR technologies

less differential absorption occurs and a narrower histogram results.

the difference between minimum and maximum incoming photon energies is reduced.

more anatomical data can be recorded with a lower patient dose.

all of the above.

2.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

A frontal projection chest radiograph that demonstrates a faint outline of the thoracic spine and many shades of gray to show the pulmonary markings of the lungs illustrates

short-scale contrast and adequate penetration.

underpenetration.

overpenetration.

long-scale contrast and adequate penetration.

3.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

Immediately after exposure and before a digitally acquired image is post-processed, the initial image shown demonstrates

very low contrast

focal spot blur

extremely high contrast

the heel effect

4.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

Which of the choices below does not increase contrast?

decreasing kVp

increasing grid ratio

decreasing filtration

increasing the amount of irradiated tissue

5.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

A fluoroscopic examination that uses barium as a contrast material would typically produce images with

short scale contrast.

low contrast.

both a and c.

long scale contrast.

6.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

When the tissue structure of the ankle joint is considered, the dramatic tissue differences between the muscles and bones of the ankle produce

low subject contrast.

high receptor contrast.

low receptor contrast.

high subject contrast.

7.

MULTIPLE CHOICE QUESTION

30 mins • 1 pt

An increase in x-ray beam filtration

increases the number of Compton interactions.

reduces contrast.

increases the average photon energy.

all of the above.

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