Multi detector ct - Samenvattingen, Aantekeningen en Examens

SPECT QC Energy Peak rmity Resolution Linearity Center of Rotation COR high - count extrinsic flood field uniformity correction Jaszczak Center of Rotation COR - NTRADY12 COR reduces spatial resolution & blurring Image contrast a measure Performed to ensure center field of view of camera detect or matches computer software High count extrensic flood - field uniformity correction Performed directly by manufacturer used to ensure efficiency photon decfection is constant across an surface of c...

Answers to Common Questions About Safety of CT Scans The radiation dose to the patient during a CT scan is - CORRECT ANSWER - CTDI Contact shields are made of _______________ and selectively protect organs that lie within the scanned region during a CT scan. - CORRECT ANSWER - Bismuth Which technical factor has a direct effect on patient dose? - CORRECT ANSWER - MAs A device used to measure the patient dose from a CT exam is - CORRECT ANSWER - Ionization chamber To meet current industry...

CT Registry Review Questions and Answers Already Passed Using a ___ reconstruction filter would decrease the appearance of noise in a CT image Smooth A ___ scan uses only a single projection. Localizer T or F The volume data from which the 3D SSD is generated is created by combining transverse, sagittal and coronal recons False 3 types of storage media that may hold CT image data -internal hard disk -CD -re-writable optical disk ___ may have to be edited from the data set to get a diagnost...

Where are x-rays made? - Answer-in the electron shell structure of an atom What is Bremsstrahlung radiation? - Answer-energetic electrons pass very near the nucleus of an atom. The strong forces of th positive charged atom causes the negatively charged electron to decelerate; the path of the electron is changed, and some of the kinetic energy of the electron is lost, and converted into x-rays what is characteristic x-ray radiation? - Answer-following the ionization of an atom that leaves...

TCRN Exam 320 Questions with Verified Answers Most common mechanism of injury - CORRECT ANSWER Falls Forms of energy - CORRECT ANSWER -mechanical -gravitational -thermal -chemical Types of trauma - CORRECT ANSWER -blunt -penetrating -burn -other Blunt trauma - CORRECT ANSWER accounts most injuries sustained frontal impact -aortic & cardiac injury, rib fxs, liver & spleen -dash board posterior hip fx/dislocation, femur, knee injury lateral impact -head/facial, c spine,...

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...

This editorial refers to ‘Non-invasive diagnosis of ischaemic heart failure using 64-slice computed tomography’† by S. Ghostine et al., on page 2133 An increasing number of studies have examined the role of coronary computed tomographic angiography (CCTA) in assessing patients with known or suspected coronary artery disease (CAD) relative to established evaluation approaches. The diagnostic and predictive value of stress electrocardiography, stress imaging, and invasive, selective ...

a pertinent medical hx is crucial - Which of the following considerations is the most important when caring for a geriatric trauma pt? Mitigation - Following a review of recent drills and a real disaster event, a hospital ha identified deficiencies and is taking steps to minimize the impact of a future disaster . Which phase of the disaster life cycle does this describe? s Multiple requests for water - EMS brings a pt who fell while riding his bicycle. Using the American Coll...

TNCC PrepA EXAM, 8th Edition Expedite transfer to the closest trauma center - ANS A 56 y/o M pt involved in a motor vehicle crash is brought to the ED of a rural critical access facility. He complains of neck pain, SOB, and diffuse abd pain. His GCS is 15. His VS: BP 98/71, HR 125, RR 26, SpO2 94% on high-flow O2 via NRB mask. Which of the following is the priority intervention for this patient? a pertinent medical hx is crucial - ANS Which of the following considerations is the mo...

TNCC test prep A ,TNCC Notes for Written Exam, TNCC Notes for Written Exam, TNCC Prep, TNCC EXAM, TNCC 8th Edition Expedite transfer to the closest trauma center - A 56 y/o M pt involved in a motor vehicle crash is brought to the ED of a rural critical access facility. He complains of neck pain, SOB, and diffuse abd pain. His GCS is 15. His VS: BP 98/71, HR 125, RR 26, SpO2 94% on high-flow O2 via NRB mask. Which of the following is the priority intervention for this patient? a pertin...