Lower image intensifier - Study guides, Class notes & Summaries

what are the factors that directly influence the exposure rate at the panel or tabletop and the patient and the operator's radiation dose? Answer milliamperage, kilovolatage, collimation, filtration, exposure time, target to panel (tabletop) distance (TPD), patient to image intensifier distance for over the table and under the table image intensifier systems, sensitivity of the image receptor what will reduce patient exposure? Answer 1.Collimation to the area of clinical interest only (requi...

Fluoroscopy physics Test Questions with Correct Answers (Verified Answers) What are two types of coupling devices? - Answer- Fiber optic (uses fiber optic materials to tie the TV camera tube with the image intensifier tube) Lens coupling (uses lenses and mirrors to split the incoming signal into two signals and connect the output phosphor of the II to the TV monitor) What are the advantages and disadvantages of fiber optic coupling devices? - Answer- Advantage - small, compact and rugged D...

Rad Protection Patient Protection Test Questions with Answers The image intensifier acts as a primary barrier and is required to be equivalent to what amount of lead? - Answer-2mm of lead equivalent. What is the required minimal source-to-end of collimator assembly distance necessary for mobile fluoroscopy? - Answer-12 inches. List two types of compensating filters. - Answer-Wedge and trough filters. What is the purpose of the spacer cone or collimator extension attached to the collim...

What are possible results of ionization? 1. Unstable atoms 2. Production of low-energy x-rays 3. Formation of new molecules harmful to the cell - 1,2,3 OSL dosimeters may be worn as long as: - 1 quarter The annual effective absorbed dose equivalent limit for the general public, assuming infrequent exposure, is: - 5msv The photon-tissue interaction that does not cause ionization is: - coherent Before moving a patient, the radiographer should assess which of the follow...

RCIS REVIEW 40 HOUR TRAINING 2024 QUESTIONS AND ANSWERS What is the max dose of radiation a worker can receive a year? - Answer-5 REM What converts the x-rays to light rays? - Answer-Image intensifier What is the best choice of catheter to use on an LCA with a high take-off? - Answer-Amplatz To view pulmonary stenosis. where do you inject the contrast? - Answer-RV Pulmonic stenosis is generally associated with what? - Answer-Congenital anomalies What is the normal PRI? - Answer-...

Thrombus formation - ANSWERWhat is a complication associated with mechanical cardiac valves? Perforation - ANSWERWhat is the most common complication while performing an endomyocardial biopsy? IVUS - ANSWERWhat imaging modality is used to confirm proper stent opposition? ASA, morphine, nitro, O2 - ANSWERImmediate ED general treatment should include (MI) : Hypotension, tachycardia, lower back pain, a falling hematocrit - ANSWERWhat initial signs of a retroperitoneal bleed May a patien...

Fluoro question and answers graded A+ 2023 already passedwhat are the factors influencing patient fluoroscopic exposure? - correct answer what are the factors that directly influence the exposure rate at the panel or tabletop and the patient and the operator's radiation dose? - correct answer milliamperage, kilovolatage, collimation, filtration, exposure time, target to panel (tabletop) distance (TPD), patient to image intensifier distance for over the table and under the table image intens...

Fluoroscopy Exam Questions with All Correct Answers Why would radiologists wear red goggles to "dark adapt" before fluoroscopic procedures - Answer- -Because they would filter out blue-green wavelengths What type of vision was required for the dim fluoroscopic images - Answer- -Rod vision What 2 problems did having to use rod vision for the first fluoroscopic images lead to - Answer- -Poor visual acuity and poor ability to detect shades of gray (contrast) What was developed to pro...

Mosby Exam(question with complete solution)2023 passed An injection set that includes a needle with plastic wings attached is called: A. large bore. B. butterfly. C. contrast agent injecting set. D. sterile tray. - correct answer b X-rays travel as bundles of energy called: A. energy waves. B. phasers. C. electromagnetic bursts. D. photons. - correct answer d The increase in brightness caused by acceleration of the electrons in the image intensifier is called: A...

CAMRT Test Questions With Answers Updated 2024/2025 (100% Correct) When preparing to add antiseptic iodine to a sterile field, why must some of the liquid be poured into the sink before adding the remainder to the sterile container? To wash the container's lip to prevent contamination, this maintains the sterile field Why is there a maximum injection pressure for an automatic injection device during contrast media administration? A preset maximum injection pressure helps to prevent vessel ...