CTPI 4012

CTPI 4012

University

10 Qs

quiz-placeholder

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CTPI 4012

CTPI 4012

Assessment

Quiz

Specialty

University

Practice Problem

Hard

Used 2+ times

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10 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Compton effects is/are

Interaction between photon and free electron

larger the angle through which the photon is scattered, the more the energy it loses

the wavelength change produced depends upon the scattering material

High energy radiation is scattered more than lower energy radiation

amount of scattering that occurs depends on the electron density of the scattering material

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Partial volume averaging on the CT image may be decreased by:

Increasing matrix size

Decreasing matrix size

Decreasing slice thickness

Increasing slice thickness

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quality control measurements to test the accuracy of the calibration of the CT scanner should be performed?

Daily

Weekly

Monthly

Annually

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Scintillation crystals are used exclusively as detectors in __________________ CT scanners?

Second Generation

Third Generation

Fourth Generation

Fifth Generation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

First generation CT scanners used a method of data acquisition based on a _______________ principle.

Multiplana

Rotation only

Translate-rotate

Rotate-rotate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A first generation CT Scanner consists of an x-ray tube and two detectors that translate across the patients's head while rotating in 1 degree increments for a total of:

45 degrees

90 degrees

180 degrees

360 degrees

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the primary interaction between x-ray photons and tissue during CT examinations?

Compton effect

Coherent Scatter

Bremsstrahlung effect

Chraracteristic effect

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