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Tomography Techniques Quiz

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Questions and Answers

What distinguishes computed tomography (CT) from traditional x-ray tomography?

CT is used for detecting photons emitted from a radiopharmaceutical, while traditional x-ray tomography is not.

CT uses a computer to reconstruct images, while traditional x-ray tomography does not. (correct)

CT involves the detection of annihilation photons, while traditional x-ray tomography does not.

CT is limited to a single view of the patient, while traditional x-ray tomography has multiple views.

Which imaging technique involves the detection of annihilation photons released during positron decay?

Transmission CT

Emission computed tomography (ECT)

Positron emission tomography (PET) (correct)

Traditional x-ray tomography

What is the term used for the procedure of detecting photons emitted from a radiopharmaceutical distributed within the body?

Computed tomography (CT)

Transmission CT

Emission computed tomography (ECT) (correct)

Traditional x-ray tomography

How are images built up in traditional x-ray tomography?

<p>By presenting various views on a single image receptor</p> Signup and view all the answers

Which type of CT is defined by using x-rays transmitted through the patient?

<p>Transmission CT (x-ray CT)</p> Signup and view all the answers

Study Notes

X-ray Tomography

Traditional x-ray tomography involves building up multiple views of an object on a single image receptor, resulting in a sharp image of a selected plane or region of the patient.

Computed Tomography (CT)

In computed tomography (CT), a computer reconstructs an image of the patient from multiple views.
Transmission CT (x-ray CT) involves using x-rays transmitted through the patient.

Emission Computed Tomography (ECT)

ECT is a similar type of study performed in Nuclear Medicine, detecting photons emitted from a radiopharmaceutical distributed within the body.

Positron Emission Tomography (PET)

PET involves production of tomographic images by detecting annihilation photons released during positron decay.

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Description

Test your knowledge on traditional x-ray tomography and computed tomography (CT) techniques used in diagnostic imaging. Learn about the principles behind transmission CT and its applications in Nuclear Medicine.