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Questions and Answers
What is the role of the patient table in a CT scanner?
What is the role of the patient table in a CT scanner?
- Positioning the patient (correct)
- Adjusting the laser lights
- Controlling tube rotation
- Providing feedback to the CT computer
Why is precision control of the patient table important in helical scanning?
Why is precision control of the patient table important in helical scanning?
- To allow patients to sit comfortably
- To adjust the laser lights accurately
- To coordinate tube rotation with table movement (correct)
- To provide feedback to the CT computer
What happens to the patient table during the CT scanning process?
What happens to the patient table during the CT scanning process?
- It rotates around the patient
- It retracts from the bore and inserts into the scanner (correct)
- It is lowered to sitting height
- It adjusts the laser lights
How are patients guided to be centered in the bore of the CT scanner?
How are patients guided to be centered in the bore of the CT scanner?
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Who controls the movement of the patient table during a CT scan?
Who controls the movement of the patient table during a CT scan?
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Study Notes
Patient Table in CT Scanning
- The patient table plays a crucial role in a CT scanner as it supports and positions the patient for accurate imaging.
- Precision control of the patient table is essential in helical scanning to ensure continuous and uniform movement, which allows for seamless imaging of the body.
Patient Table Movement
- During the CT scanning process, the patient table slowly moves through the CT scanner's gantry, while the X-ray tube and detectors rotate around the patient.
- This precise movement enables the scanner to capture detailed images of the patient's internal structures.
Centering the Patient
- Patients are guided to be centered in the bore of the CT scanner using alignment lasers and side lasers, which help position the patient accurately.
Patient Table Control
- The movement of the patient table during a CT scan is controlled by the CT scanner's computer system.
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Description
Learn about the important functions and integration of the patient table in a CT scanner, including precision motion control for patient positioning. Understand its role in helical scanning and patient comfort during imaging.
