During fluoroscopy - Study guides, Class notes & Summaries

Attenuation: a. is radiation that emerges from the patient b. describes changes in the x-ray beam as it travels through the patient c. produces only scatter radiation d. occurs only at doses used in radiation therapy correct answers Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of image contrast? a. Compton b. Coherent c. Photoelectric d. Pair production correct answers Photo...

Chapter 8: Medical Imaging Equipment 1. Which component of the x-ray tube produces the x-rays? A. Cathode B. Anode C. Glass envelope D. Collimator Answer: B Rationale: The anode (B) is the component of the x-ray tube where electrons from the cathode strike, producing x-rays through the process of bremsstrahlung and characteristic interactions. DIF: Knowledge TOP: X-ray Tube Components MSC: Radiographic Equipment 2. The primary function of the cathode in the x-ray tube is to: A. Pro...

Attenuation: a. is radiation that emerges from the patient b. describes changes in the x-ray beam as it travels through the patient c. produces only scatter radiation d. occurs only at doses used in radiation therapy - Answer Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of image contrast? a. Compton b. Coherent c. Photoelectric d. Pair production - Answer Photoelectric...

With high-level fluoroscopy (HLF), the maximum exposure rate cannot exceed 20 R/min.True Because of radiation exposure to the head and neck region, the C-arm should not be placed in the posteroanterior (PA) projection tube alignment.False _____ is used to create an x-ray beam that activates at timed increments to reduce exposure during C-arm fluoroscopy. a) Pulse mode b) Road mapping c) Magnification mode d) Boost digital spota) Pulse mode Postreduction projections of the upper and ...

ASRT #4 Exam Questions with 100% Correct Answers 2024/2025 Using the anode heel effect would be MOST advantageous when acquiring a(n) _______________ image. - Correct Answer Anteroposterior thoracic spine A total of _____ dots on the image receptor is the proper number during a spinning top test of a single-phase, full rectified generator at 0.10 seconds. - Correct Answer 12 The right kidney is placed perpendicular to the image receptor in the __________ position. - Correct Answer Right p...

Fluoroscopy Study Questions with Correct Answers Which comes first in image intensified fluoroscopy - Answer- Cesium Iodide screen If the radiologist out worked with requested a TV image with sharp detail, what type of TV camera would you recommend purchasing - Answer- Vidicon Which component of the television monitor transfers the video signal into a visible image - Answer- Fluorescent screen How is the electron beam in a television camera tube produced - Answer- Thermionic emission ...

RADT 1200 Final Test Questions and Answers All Correct The hematopoietic form of acute radiation syndrome is also called the - Answer-bone marrow syndrome Which of the following groups of cells is least radiosensitive? - Answer-Adult nerve cells Which of the following humans is most radiosensitive? - Answer-An embryo-fetus during the first trimester of pregnancy During cardiovascular or other therapeutic interventional procedures that use high-level fluoroscopy for extended periods, t...

The major reason that image intensified fluoroscopy is employed is that it allows for: a. Dynamic viewing b. Rapid development c. High visual acuity d. Low patient exposure → a. Dynamic viewing Portable intensified fluoroscopy used for diagnostic purposes must not exceed ____ at the tabletop: a. 1 R/min b. 3 R/min c. 5 R/min d. 10 R/min → c. 5 R/min Which type of vision is most commonly employed during conventional fluoroscopic exam? 2 0 2 4 /2025 | © copyright | This work ma...

_____ syndrome is not a form of acute radiation syndrome. - carcinogenic A radiograph of the abdomen demonstrates involuntary motion due to bowel peristalsis (involuntary contractions). Which of the following factors will best eliminate this problem during the repeat exposure? - Decrease exposure time A radiograph of the abdomen is underexposed and must be repeated. The original technique used was 60 kV with 25 mAs. The technologist decides to keep the mAs at the same level but change the k...

California Fluoroscopy Test Exam Questions With Accurate Answers. An image intensifiers photocathode causes ___ to be given off in direct proportion to the intensity of the fluorescent light: a. remnant radiation b. electrons c. x-rays d. light photons - answerelectrons What fluoroscopic television system device decodes the video signal into a visible image? a. Vidicon camera b. Camera control unit c. Television monitor d. Electron gun - answerTelevision Monitor Which of the followi...