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Intro to CT review

Authored by Heather Herb

Education

University

46 Questions

Used 1+ times

Intro to CT review
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which generation of CT scanners introduced a fan- shaped beam, where the detector array and the tube rotate around the patient to obtain information?

2nd

3rd

4th

5th

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which generation of scanners has stationary detectors located around the entire gantry and the tube rotates around the patient to obtain the image?

3rd

4th

5th

6th

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of CT detector is most efficient because it can receive x-rays coming in from various angles?

Xenon

Solid State Crystal/ Scintillation

ADC

DAC

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Radiographic tomography was invented in ____, and CT was invented in ____.

1921; 1971

1895; 1945

1970; 1979

1910; 1973

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the collimator that stops scatter radiation from reaching the CT detector.

pre-patient

post- detector

post- patient

pre-collimator

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the fulcrum be adjusted for tomography?

Up and down from the level of the table

Right and left of the table

The fulcrum is not a moving piece of the table

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the HU of water?

1,000

0

-1,000

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