Ghosting Samenvattingen, Aantekeningen en Examens

CT Registry Review (MIC) Questions and Answers Rated 100% 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 *ANS* 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw d...

which of the following technical factors adjustments should be made when negative contrast media agents are used? A. decrease kilovoltage peak (kVp) B. increase kilovoltage peak (kVp) C. increased milliampere seconds (mAs) D. decreased milliampere seconds (mAs) correct answer: A. decrease kilovoltage peak (kVp) a patient is seen in the emergency department with a possible fracture of the 4th finger which of the following would be proper positioning for this patient? A. lateral project...

Spectrum Field Tech Questions and Answers 100% Pass Current/ amperage Flow or movement of electric charges Resistor a passive two-terminal material that impedes the flow of current What is the most common workplace hazard involving electricity? Electrical shocks What is minimum approach distance? The shortest safe distance to keep from energized conductors CATV at the pole 40'' CATV at the mid-span 24'' CATV at the house 12'' Live parts of electric equipment must be guarded against ...

Phase mismapping: Appearance - correct answer -AKA ghosting. produces replications of moving anatomy across the image in the phase direction. Usually occurs from anatomy that moves periodically (respirations, blood flow, swallowing, eye movement). Is phase mismapping/ghosting more or less apparent further from the source? - correct answer -Less apparent. What is the calculation for separation between ghosts? - correct answer -S(p)= scan time (TR, phase matrix, NEX) divided by the p...

Edelman SPI review questions & Answers 2023. ______ is the distance covered by one cycle. a) pulse length b) wavelength c) cycle distance d) cycle duration ______ is the time to complete one cycle a) pulse duration b) pulse period c) period d) duration period ________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: a) refraction b) Rayleigh Scattering c) scattering d) reflection _________ resolution is...

Phase mismapping: Appearance - correct answers.AKA ghosting. produces replications of moving anatomy across the image in the phase direction. Usually occurs from anatomy that moves periodically (respirations, blood flow, swallowing, eye movement). Is phase mismapping/ghosting more or less apparent further from the source? - correct answers.Less apparent

spatial resolution is improved when correct answer: SID increases the adoption of a DICOM standard in the medical imaging industry was designed to correct answer: allow various vendors to share digital data with out proprietary software constrains. Most AECS utilize ___ ion chambers in various combinations. correct answer: Three Shape distortion is caused by ? A. as the ratio of SID and SOD B.using the tube angle and OID C.automatically in the computer post processing correct ans...

TestOut Chapter 4 Questions and Answers Graded A+ What are the three types of peripheral devices? Input, Output, Input & Output (I/O) Which connector is used by most peripheral devices? USB Which peripheral devices require little to no configuration? Keyboard, Mouse How can you verify that a device is compatible with a particular computer? Identify the system requirements of the peripheral device Which peripheral devices require special software or drives to function? Barcode ...

LMRT QUESTIONS AND ANSWERS GRADED A+ spatial resolution is improved when SID increases the adoption of a DICOM standard in the medical imaging industry was designed to allow various vendors to share digital data with out proprietary software constrains. Most AECS utilize ___ ion chambers in various combinations. Three Shape distortion is caused by ? A. as the ratio of SID and SOD B.using the tube angle and OID C.automatically in the computer post processing none of the above Filament mater...

NCTI - 2023 part II question with complete solution rated A+What major sources of television programming are available to broadband cable operators? - correct answer Over-the-air; terrestrial microwave; direct cable feed; satellites; and local origination programming. What are the three main elements of a broadband cable network? - correct answer The headend; the distribution network composed of coaxial cable and/or fiber-optic cable; the drop at the customer premises. In a broadband cable...

LMRT Exam Questions and All Correct Answers spatial resolution is improved when - ANSWER SID increases the adoption of a DICOM standard in the medical imaging industry was designed to - ANSWER allow various vendors to share digital data with out proprietary software constrains. Most AECS utilize ___ ion chambers in various combinations. - ANSWER Three Shape distortion is caused by ? A. as the ratio of SID and SOD B.using the tube angle and OID C.automatically ...