Computed radiography cr - Study guides, Class notes & Summaries

collimator definition Ans: A box-like device attached under the tube housing that allows the limited operator to vary the size of the radiation field (a variable aperature) detent Ans: A mechanism that tends to stop a moving part in a specific location computed radiography (CR) Ans: Sometimes called "filmless systems" which produce images via a digital format using computer technology, eliminating the need for darkrooms image receptor system (IR) Ans: Consists of the X-ray film and ...

Communication Systems Carter: Digital Radiography and PACS, 3rd Edition MULTIPLE CHOICE 1. Film and intensifying screens are primarily used in a. computed radiography (CR). b. digital radiography (DR). c. conventional radiography. ANS: C 3. Intensifying screens a. absorb light. b. emit light. c. absorb scatter. d. emit positive electronsANS: B radiography. 4. Which modality was the first to use the principle of digital imaging? a. Computed tomography (CT) b. Magneti...

X-rays were discovered by... Ans: Roentgen in 1895 in Germany The Joint Review Committee on Education in Radiologic Technology (JRCERT) is the... Ans: organization that accredits schools for radiologic technologists The largest professional organization for radiologic technologists is the... Ans: ASRT The x-ray room has an area that protects the limited operator from scatter radiation and is called... Ans: the control booth Mechanism on the x-ray tube that provides a stop in a specif...

LRA 221 Finals Review Questions and answers, verified/ Film and intensifying screens are primarily used in - -conventional radiography CR acquires an image through: - -The use of a storage phosphor plate Technologist efficiency ratings are generally the same when comparing conventional radiography with ______ radiography. - -computed The active element in a storage phosphor is: - -barium fluorohalide In reference to PSP image capture, to release the latent image, which of the following ...

HESI Comprehensive Exam 1 Graded A+ Which item can be used as an indicator of the quality of the diagnostic x-ray beam? Kilovoltage peak (kVp) Which condition represents the most likely indication for an anteroposterior (AP) chest projection with the patient in the left lateral decubitis position? Effusion of the left lung Which action is best taught to the patient using the communication technique of demonstration? The correct positioning for a particular projection Where is ed...

BXMO Exam Study Guide with verified solutions. SI radiation unit of absorbed dose is: - answergray SI radiation unit to express radiation intensity in the air is: - answercoulomb/kilogram (c/kg) Which type of x-ray photon interaction with the body is primarily responisble for radiation absorbed by the body? - answerphotoelectric NCRP recommendation for lead equivalency of aprons used for protection - answer0.5 mm Four essential elements required for x-ray production - answerelectron sourc...

What is the correct term used to describe an intravenous injection of a concentrated volume of contrast media? a. bolus b. infusion c. extravasation d. luminal a. bolus Which of the following methods utilizes a detector that captures x-ray energy and converts it into an electronic signal? a. indirect capture b. CCD c. cassette based radiography d. direct capture d. direct capture The energy of a characteristic x-ray photon created when an L shell electron fills a K shell vacancy in ...

GXMO OHIO QUESTIONS AND ANSWERS WITH SOLUTIONS 2024 collimator - ANSWER a devise used to restrict xray beam cassette - ANSWER the rigid holder that contains the film and screens Digital radiography acquires images that areA created or constructed from numerical data by various types of image receptors such as computed radiography (CR) and digital radiography (DR). - ANSWER acquires images that are created or constructed from numerical data by various types of image receptors such as...

Which change should be made when performing an abdomen radiograph on a patient with ascites? ֎ -:- Raise exposure factors. Which system can store images? ֎ -:- Picture archival and communication system (PACS). What is the result if pixel bit depth is decreased? ֎ -:- Contrast resolution is decreased. Prior to performing a posteroanterior (PA) chest projection with automatic exposure control (AEC), the radiographer discovers that the patient has had a right total pneumonectomy. Whi...

General X-ray Machine Operator Exam Guide Questions With All Correct Answers!!