Podcast
Questions and Answers
Where is the detector array typically positioned in a CT scanner?
Where is the detector array typically positioned in a CT scanner?
- Opposite the X-ray source (correct)
- On the motorized table
- At the center of the gantry
- Inside the patient's body
What is the key component of a CT scanner that emits a narrow beam of X-rays?
What is the key component of a CT scanner that emits a narrow beam of X-rays?
- Gantry
- Motorized table
- Detector array
- X-ray source (correct)
What is the purpose of the motorized table in a CT scanner?
What is the purpose of the motorized table in a CT scanner?
- To rotate and acquire data
- To detect X-rays
- To emit X-rays
- To move the patient horizontally into and out of the gantry (correct)
What type of images does a CT scan create?
What type of images does a CT scan create?
What does the gantry in a CT scanner contain?
What does the gantry in a CT scanner contain?
What is the key component of a CT scanner that emits a narrow beam of X-rays?
What is the key component of a CT scanner that emits a narrow beam of X-rays?
What is the purpose of the detector array in a CT scanner?
What is the purpose of the detector array in a CT scanner?
Where is the area of interest (the part of the body to be imaged) positioned in a CT scanner?
Where is the area of interest (the part of the body to be imaged) positioned in a CT scanner?
What is the function of the motorized table in a CT scanner?
What is the function of the motorized table in a CT scanner?
What is the role of the gantry in a CT scanner?
What is the role of the gantry in a CT scanner?
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Study Notes
CT Scanner Components and Functions
- The detector array is typically positioned opposite the X-ray tube within the gantry, receiving data from the emitted X-rays after passing through the body.
- The key component emitting a narrow X-ray beam is the X-ray tube, which rotates around the patient to capture cross-sectional images.
- The motorized table is designed to move the patient through the scanner, allowing for sequential imaging of different body sections.
- CT scans produce detailed cross-sectional images (slices) of the body, offering a 3D view when combined.
- The gantry houses crucial components like the X-ray tube, detector array, and the associated electronics, facilitating the scanning process.
- The detector array's purpose is to convert the received X-rays into electrical signals, which are then processed to generate images.
- The area of interest, or the specific body part to be imaged, is positioned centrally within the scanner's gantry for optimal imaging.
- The function of the motorized table is to ensure precise positioning of the patient and control the speed of movement through the CT scanner.
- The gantry plays a vital role in ensuring proper alignment and functioning of the X-ray equipment during the imaging process.
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