Physics fluoroscopy exam - Study guides, Class notes & Summaries

What are the imaging modalities that use ionizing radiation? - correct answer 1. Radiographs (x-rays, conventional films, plain films) 2. Computed tomography (CT) 3. Nuclear medicine (NM) What are the imaging modalities that do not use ionizing radiation? - correct answer 1. Magnetic resonance imaging (uses magnet and radio waves) 2. ultrasound (uses sound waves) The birth of radiology start...

Physics Fluoroscopy Exam Questions and Answers All Correct What is the weakest link to the image intensifier? - Answer- TV camera tube The parts on the input side of the intensifier? - Answer- Input phosphor and photocathode What does the input phosphor do? - Answer- Converts photons into light What does the photocathode do? - Answer- Converts light into electrons What is input phosphor COMMONLY made of? - Answer- Cesium-Iodide but can be made with zinc-camnium as well What is ...

Physics Fluoroscopy Exam Questions and Answers- Updated 2024 The edge distortion problem in image intensification tubes is called - Answer-Vignetting The ability of the image intensifier to increase image illumination is: - Answer-Brightness Gain During fluoroscopic image intensification, the primary beam exits the patient and strikes what part of the II? - Answer-Input Screen Formula for Flux Gain - Answer-Flux Gain= Number of output photons / Number of input photons The photocathode i...

Test Bank For Radiologic Science for Technologists, 12th Edition by Stewart C Bushong, Chapters 1 - 40, Complete Verified Newest Version Chapter 1. Essential Concepts of Radiologic Science Chapter 2. Basic Physics Primer Chapter 3. The Structure of Matter Chapter 4. Electromagnetic Energy Chapter 5. Electricity, Magnetism, and Electromagnetism Chapter 6. The X-Ray Imaging System Chapter 8. X-Ray Production Chapter 9. X-Ray Emission Chapter 10. X-Ray Interaction With Matter Chapter 11. Imagin...

Radiology Physics Chap 25 Fluoroscopy exam with 100- correct answers.

Fluoroscopy physics Exam Review Questions and Answers...

LRA 216 Final Exam Latest Update with Verified Solutions Dose limits are based on a _____ dose-response relationship to radiation. linear, nonthreshold The NCRP publishes annual dose limits for____exposure All of the above If a technologist is receiving 2 mGyt/hr standing 1 foot from the patient during fluoroscopy, what is his rate of exposure when he steps back to a distance of 2 feet from the patient? 0.50 mGyt/hr The first radiation health physicists worked with____ The atomic bomb When u...

Fluoroscopy (physics) Exam Questions and Answers- Updated 2024 Fluoroscopy is a _____ type of imaging modality. - Answer-dynamic (diagnostic radiography is static) Fluoroscopy was invented by _____ in the year _____. - Answer-Thomas Edison in 1896 Image intensifiers were created in _____ to electronically amplify the brightness of an image by _____-_____ times. - Answer-1948 500-8,000 The principal advantage of image intensified fluoro is an increased _____. - Answer- brightness Struct...

Physics: Fluoroscopy Exam Questions and Answers- Updated 2024 Fluoroscopy - Answer-is a dynamic radiographic examination, compared to diagnostic radiography, which is static in character. The purpose of fluoroscopy - Answer-Active diagnosis during an examination During fluoroscopy - Answer-The radiographer's role becomes that of an assistant to the radiologist during the exam, although post-fluoroscopic radiography is the responsibility of the radiographer. Radiographer's - Answer-...

CT Registry Test Review Q&A Already Passed 2023 What is the smallest component of a digital image *ANS* pixel How many CT numbers are assigned to each pixel in the image matrix? *ANS* One In a CT image, the CT number *ANS* Of a material is dependent on its linear attenuation coefficient Each two-dimensional square of data that make up the CT image is called a *ANS* pixel What is an element of the digital image *ANS* pixel Which of the following influences the spatial resolution...