Ct scanner - Study guides, Class notes & Summaries

Which CT system is capable of helical scanning? correct answers volume CT scanners 1. 3rd generation (960) detectors 2. 4th generation 3. EBCT - electronic beam CT Which generation of CT scanner utilized a (360) degree rotation of the x-ray tube around the patient? correct answers 3rd generation scanner Which generation of CT scanner utilizes a fixed ring of detectors? correct answers 4th generation (4800) detectors What are the advantages of CT over conventional imaging? correct ans...

Mosby CT Registry Review 2024 Questions and Answers 100% Pass What is the smallest component of a digital image - Correct Answer ️️ -pixel How many CT numbers are assigned to each pixel in the image matrix? - Correct Answer ️️ -One In a CT image, the CT number - Correct Answer ️️ -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 - Correct Answer ️️ -pixel What is an element of the d...

CT REGISTRY STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS FOR GARANTEED PASS What determines how much and what section of the collected raw data is used to create an image - Correct Answer Display field of view The "string of beads" artifact is most closely associated with which of the following? - Correct Answer Maximum intensity projection images A patient has a severe vagal reaction to iodinated contrast material that includes bradycardia should be given a treatment of - Correct Answer ...

TEST BANK FOR DIGITAL RADIOGRAPHY AND PACS 3RD EDITION BY CHRISTI CARTER, BETH VEALE (2024) | CHAPTER 1-9 | LATEST GUIDE. Chapter 01: Introduction to Digital Radiography and Picture Archiving 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. d. picture archival and communication systems. e. 2. ANS: C ...

ECG of complete cardiac cycle, at which portion of R-R interval is heart muscle in diastole? - Answer 55%-75% Accumulation of gas within a degenerating intervertebral disc is called: - Answer vacuum phenomenon During a spiral or helical CT exam, the scanner acquires data: - Answer continuously at patient travels through the gantry in form of complete volumetric data set

ASRT Modules Review Questions with 100% Correct Answers Helical scanning motion was first made possible by the unique construction of the ____________ scanner. A) fourth generation B) fifth generation C) sixth generation D) seventh generation - Correct Answer 7th The type of beam geometry used in modern CT scanners is called: A) fan beam. B) wide beam. C) pencil beam. D) cone beam. - Correct Answer cone beam The ___________ method of data acquisition gathers image data in distinct sec...

The acronym CTDI is used to describeWhich of the following? 1. a specialized CT imaging technique used to measure bone mineral density 2. a quality control test that measures the accuracy of the laser lighting system 3. the radiation dose to the patient during a CT 4. a high-speed CT scanner used for cardiac imaging CORRECT ANSWER the radiation dose to the patient during a CT Contact shields made of _________________ may be used to selectively protect radiosensitive organs that lie within...

Tomos- - correct answers Greek word meaning: section Initially known as - correct answers Computer Assisted Tomography Evolved to - correct answers Computerized Axial Tomography Currently, Computed tomography is used since CT images are available in: - correct answers sagittal, coronal, and axial planes (horizontal) Dr. Godfrey Houndsfield - correct answers invented the first computed tomography 1971 The EMI Mark 1 - correct answers (CT brain scanner prototype) was installed at At...

CT Boot Camp Section 1, CT Boot Camp Rated A+ A single "view" acquired during a CT scan is also called a: -Projection A CT scanner collects several projections as the tube and detectors spin around the patient. Each of these projections represent a unique view of the anatomy that is eventually compiled together to form the 3D volume of data The main difference between image production in CT compared to image production in radiography is: -Projections are compiled into a 3D volume o...

Ct guided __________ __________ involves placement of a probe into a tumor under CT imaging correct answers radiofrequency ablation (RFA) __________ (___) is used in PET-CT as the radioparmaceutical and mimics glucose correct answers Fludeoxyglucose F18 The amount of blood pumped out of a ventricle every hearbeat is termed correct answers ejection fraction The process of scanning a phantom device of known density to improve the accuracy of CT attenuation measurement is... correct answer...