Matrix array detector - Samenvattingen, Aantekeningen en Examens

CT Board Review - Medical CT Registry Exam Review Questions and Answers 2024 What is an advantage of scans of the pituitary taken in the coronal plane? A.) IV contrast material is better visualized. B.) Streak artifacts are reduced or eliminated. C.) The patient is more comfortable during scanning. D.) The patient receives a lower radiation dose. B.) Streak artifacts are reduced or eliminated. Which two strategies can reduce the effect of dental fillings in a sinus study? A.) High ...

CMMB 461 FINALBasic components of mass spec - correct answer 1. Ion source 2. mass analyzer 3. detector Two main types of ionization - correct answer 1. Electrospray ionization 2. MALDI Electrospray Ionization (ES) - correct answer Peptide solution is passed through a narrow metal needle with a high electrical potential resulting in highly charged droplets of protonated peptide ions. Matrix-assisted laser desorption ionization (MALDI) - correct answer Sample is co-crystallized wi...

Of what material is the x-ray tube component numbered 5 in Figure 7-18 made of? - correct answer Tungsten All the following x-ray circuit devices are located between the incoming power supply and the primary coil of the high-voltage transformer except - correct answer The rectifiers All of the following are daily quality control (QC) steps to ensure optimal diagnostic images on a digital monitor, ex...

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...

CPV 301 Final Exam | Q & A (Complete Solutions) The input of computer vision is an image. So what is the output of computer vision? A. The output is the interpretation of an image. B. The output is a processed image. C. The output is the image that has been recovered with the parts that have been noisy- D. All of the others What system does the digital camera use to perform the digitization of images? A. Number system. B. Logic system C. Sensor system D. Optical system In K-means for Segmentat...

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...

ARRT CT Registry Assessment 1 2023 with Complete Solutions 100% Pass 1. The normal range of respiration of an adult is A. 5- 10 breaths per minute B. 12-20 breaths per minute c. 20-30 breaths per minute D. 35-50 breaths per minute *ANS* B. 12-20 2 which of the following is a parenteral route of medication administration A. sublingual B. Intramuscular C. transdermal D. Oral *ANS* B. Intramuscular 3 The preperation for a contrast- enhanced CT exam of a patient with prior aller...

1230 Fluoroscopy assessment Questions and Answers, Graded A+ what is automatic brightness control (ABC) Brightness varies from changes in the patient position or part thickness. Maintain constant brightness by adjusting the technique. It changes the patient dose. NOT AEC How does fluoro to a CCTV work? image from II goes to video camera and CCTV What is charged couple device (CCD) Used as video camera or for digital. Uses array of several thousand photodiodes on computer chips....

RBS TEST EXAM 3 WITH CORRECT AND VERRIFIED ANSWERS control monitor - CORRECT ANSWER-- Serves as a basis for comparison with the remaining OSL badges after they have been returned to the monitoring company for processing - determines whether a batch of dosimeters have been exposed to radiation in transit from health facility extremity dosimeter - CORRECT ANSWER-TLD ring that may be used by an imaging professional as a second monitor while performing fluoroscopic procedures that requi...

Digital Radiography and PACS Chapters: 1, 2, & 3 Questions and Answers Digital Radiography and PACS Chapters: 1, 2, & 3 Questions and Answers Digital Radiography and PACS Chapters: 1, 2, & 3 Questions and Answers Digital Imaging - ANSWER-Any imaging acquisition process that produces an electronic image that can be viewed and manipulated on a computer. Teleradiology - ANSWER-Moving images via telephone lines to and from remote locations. Flat Panel Detector - ANSWER-Use an x-ray absorbe...