Ct gantry - Study guides, Class notes & Summaries

The main advantages of CT over conventional radiography are correct answers -Elimination of superimposed structures - the ability to differentiate small differences in density of an atomic structures - superior quality of the images Computer tomography for technologists exam review Romans chapter 1 page 3 CT image quality is evaluated using a number of criteria including correct answers - spatial resolution - low contrast resolution - temporal resolution Computer tomography for techno...

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

In order for an x-ray photon to be measured it must: 1. enter the detector chamber 2. be absorbed by the detector material 3. be converted to a measurable event correct answers 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? correct answers analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw data b. long term data storage c. digita...

CT registry- image production Exam Questions and Answers 100% Pass Fundamental principle of ct may be summarized as - Correct Answer ️️ -An image of an object may be reconstructed on the basis of the attenuation that occurs as x radiation is transmitted through it Detectors measure - Correct Answer ️️ -The radiation that is transmitted through the pt. An image is reconstructed in the basis of the magnitude of X-ray attenuation that occurs at spatially distributed points within the...

The general process of CT imaging may be divided into what 4 steps? correct answers 1) data acquisition 2) data reconstruction 3) multidimensional image display 4) image archival and communication The measurement of the attenuation that occurs along each path through the patient from x-ray tube to detector correct answers Data acquisition The computerized processing of the transmission measurements into the CT image correct answers Data reconstruction Display of the reconstructed gra...

1 MIC-CT Registry Review-System Operations and Components Questions and Answers 100% Pass D - Correct Answer ️️ -The slip ring on continuous rotation CT scanners: a. prevents the high voltage cable from winding up b. allows the exam to commence more rapidly c. eliminates the need for the reversal of gantry frame rotation d. all of the above Analog-to-digital converter - Correct Answer ️️ -Which system component converts the projection attenuation data into the proper digital form...

Mosby's Exam Review for CT 180-dgree linear interpolation (180 LI) - Answer-Type of algorith used for MSCT image reconstruction in which data acquired from a shorter distance (180 degrees) away from the reconstructed slice location are interpolated. absorbed dose - Answer-the amount of x-ray energy absorbed in a unit of mass. It is measured in grays. (Gy) 360-degree linear interpolation (360 LI) - Answer-type of algorithm used for MSCT image reconstruction in which two sets of projection...

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...

CT Registry- Image Production All Answers Correct Fundamental principle of ct may be summarized as ️An image of an object may be reconstructed on the basis of the attenuation that occurs as x radiation is transmitted through it Detectors measure ️The radiation that is transmitted through the pt. An image is reconstructed in the basis of the magnitude of X-ray attenuation that occurs at spatially distributed points within the pt General process of ct imaging imaging may be divided i...

1 MIC-CT Registry Review-System Operations and Components Questions and Answers 100% Pass D - Correct Answer ️️ -The slip ring on continuous rotation CT scanners: a. prevents the high voltage cable from winding up b. allows the exam to commence more rapidly c. eliminates the need for the reversal of gantry frame rotation d. all of the above Analog-to-digital converter - Correct Answer ️️ -Which system component converts the projection attenuation data into the proper digital form...