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Medical Imaging: X-ray and Tomography

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Questions and Answers

What is the primary advantage of tomography over conventional X-ray imaging?

It uses lower doses of radiation.
It eliminates the need for computer processing.
It captures the entire body in a single image.
It provides clearer images of overlapping structures. (correct)

What does the term 'tomos' in tomography specifically refer to?

Slice (correct)
Scan
Image
Structure

Which of the following terms describes a type of CT imaging that captures multiple slices simultaneously?

Conventional CT
Spiral CT
Single-Slice CT
Multi-Slice CT (correct)

What does the ‘Graphein’ part of the term tomography mean?

<p>To write (B)</p> Signup and view all the answers

In the context of tomography, what does the acronym CAT stand for?

<p>Computerized Axial Tomography (A)</p> Signup and view all the answers

Flashcards

X-ray Imaging Issue

Conventional X-rays project the entire body thickness onto a film, causing overlapping structures and making it hard to distinguish them.

Tomography

A medical imaging technique using X-rays and computer processing to create 'slices' or cross-sections of the scanned area.

CT Scanner

A machine that uses X-rays and computer processing to create detailed images of the inside of the body.

Spiral CT

A type of CT scan where the X-ray tube moves in a helical path around the body, providing continuous data for more complete images.

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Multi-Slice CT

A CT scan using multiple detectors to capture X-ray data simultaneously, allowing for faster scans and more detailed images.

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Study Notes

X-ray Imaging Limitations

Conventional X-rays project the entire body thickness onto a film, causing overlap and making structures hard to differentiate.
This method loses depth information.

Tomography Definition

Tomography is a non-invasive medical imaging technique using X-rays and computer processing.
It creates tomographic slices (cross-sectional images) of the scanned area.
Tomography combines "tomos" (slice) and "graphein" (to write).
Tomography is defined as imaging an object by analyzing its slices.

CT Scanner Types

CT stands for Computerized Axial Tomography.
Spiral CT uses a unique scanning method.
Multi-Slice/Multi-Detector CT uses multiple detectors to acquire images faster and with improved resolution.

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Description

Explore the limitations of conventional X-rays and discover the advanced technology of tomography. This quiz covers the principles of X-ray imaging, types of CT scanners, and their applications in medical diagnostics. Test your knowledge and understanding of these critical imaging techniques.