Computed tomography - Study guides, Class notes & Summaries

CT founded in 1970 by - correct answers Sir Godfrey Hounsfield who Developed the algorithms for the reconstruction of the images? - correct answers Allan Cormack Localizer, also called scanogram, topogram, pilot or survey - correct answers is the 1st C.T image of exam, or scout film Voxel ( 3D tissue element) - correct answers The basic unit of computed tomography reconstruction, represented as a pixel in a computed tomography image display. Translation - correct answers each sweep o...

The gantry is the part of the CT scanner that houses what 4 things? - correct answers -Cooling system -Data acquisition system (DAS) -Detectors -X-ray tube - Most generators Three major pieces of equipment in a CT Scanner. - correct answers 1. Imaging system: gantry and patient table 2. Computer capable of processing the CT image data 3. Operator's console- controls the entire imaging process and displays the final image. Gantry - correct answers Large, circular apparatus, ring-shap...

Computed Tomography fully solved already passed

Factors controlling image appearance: - correct answers -artifacts -windowing -noise -resolution Artifact - correct answers - a distortion or error in an image that is unrelated to the subject being studied -CT image artifact is any discrepancy between the reconstructed CT numbers in the image and true attenuation coefficients of the object -artifacts degrade image quality and can cause misdiagnosis -classified according to appearance & cause Streak Artifact - correct answers...

Computed Tomography- Test 4 Questions And Answers Latest Update Verified Answers

Tomos- - correct answers Greek word meaning: section Initially known as - correct answers Computer Assisted Tomography Evolved to - correct answers Computerized Axial Tomography Currently, Computed tomography is used since CT images are available in: - correct answers sagittal, coronal, and axial planes (horizontal) Dr. Godfrey Houndsfield - correct answers invented the first computed tomography 1971 The EMI Mark 1 - correct answers (CT brain scanner prototype) was installed at At...

what should you document before scanning the patient? - correct answers obtain accurate pertinent info - recent procedures, surgeries, symptoms, possible trauma, pain in specific areas - ask open ended questions what exams should be schedules before contrast exams? - correct answers trunk exams ( chest, abdomen, pelvis) or only after sufficient time has passed for the bowel to clear to reduce the possibility of interruptions during the exam, what can you tell the patient to do before the...

Ch. 29 Computed Tomography Advanced Procedure well answered to pass

data acquisition correct answers the measurement of the attenuation that occurs along each path through the patient from the x-ray tube to the detector data reconstruction correct answers computerized processing of the transmission measurements into the CT image multidimensional image display correct answers display of the reconstructed grayscale image in two-dimensional and / or 3-D format ; representation of the attenuation that occurred across the scanned volume of tissue image archi...

Test Bank for Bontrager's Textbook of Radiographic Positioning and Related Anatomy 10th Edition By John Lampignano; Leslie E. Kendrick Chapter 1-20 Complete Guide A+ 9565, 9 6548, 6 1. Terminology, Positioning, and Imaging Principles 2. Chest 3. Abdomen 4. Upper Limb 5. Humerus and Shoulder Girdle 6. Lower Limb 7. Femur and Pelvic Girdle 8. Cervical and Thoracic Spine 9. Lumbar Spine, Sacrum, and Coccyx 10. Bony Thorax—Sternum and Ribs 11. Cranium, Facial B...