Helical ct scan - Study guides, Class notes & Summaries

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...

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...

The multiple-scan average dose (MSAD) is used to describe the: a. dose received in a single CT section b. amount of radiation absorbed in a quantity of air c. average dose to a single section within a scan of multiple sections d. cumulative dose for an entire helical scan - Answer c. average dose to a single section within a scan of multiple sections The number of electrons that flow from the cathode to the anode in the tube is controlled by the: a. mA b. anode target c. collima...

CT Boot Camp Exam Questions and Answers 100% Pass -1000 - Correct Answer ️️ -HU Air -700 - Correct Answer ️️ -HU lung -50 - Correct Answer ️️ -HU fat 0 - Correct Answer ️️ -HU water 15 - Correct Answer ️️ -HU CSF 30-45 - Correct Answer ️️ -HU blood 40 - Correct Answer ️️ -HU muscle 100-400 - Correct Answer ️️ -HU calcification 1000 - Correct Answer ️️ -HU bone increasing - Correct Answer ️️ -A decrease in brightness is a result of _____ the win...

tomography correct answers ______ is derived from the greek word tomos meaning "slice" and graphien meaning "to write" axial, sagittal, coronal correct answers CT uses a complex computer and mechanical imaging system to provide sectional anatomy images in the _____, _____, and ______ planes. x-ray tube and detector array correct answers a CT scanner uses a ____ _____ and ____ _____ to gather anatomic data from a patient. CAT correct answers _______ scan is not an accurate CT term b/...

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 ...

When completing a CT exam for post myelogram of the lumbar spine in an adult patient, which of the following would be an acceptable range for contrast volume for the intrathecal injection? - correct answer 12 to 14ml Small children undergoing CT exams are commonly sedated with the medication ________. - correct answer Chloral hydrate Disassociating into charged particles when placed into a solution is the term given to ______ contrast material. - correct answer Ionic The use of no...

Absorbed dose the amount of energy absorbed per unit mass (grays or rads) back projection - 3rd step in IR loop of iterative reconstruction algorithm - ray sum data are projected back onto a matrix. blood urea nitrogen (BUN) renal function (nitrogen in blood) (7-25mg/dl) bow-tie filter Filter compensating for a cylindrical shape (body) -filter is thicker at the ends contiguous images images with equal section thicknesses & reconstruction intervals Alia...

PAEA Internal Medicine EOR: Critical Care 7% Exam Questions With 100% Verified Answers PE risk factors - answerVirchows triad: stasis, endothelial injury, hyper coagulable state More proximal PEs more at risk for embolization PE sx - answerTRIAD: dyspnea, pleuritic pain, hemoptysis, MASSIVE PE: Syncope, PEA, Hypotension, edema PE -ABGs -CXR -EKG - answerABG: Resp acidosis (early = alkalosis from hyper ventilation), increased A-a gradient (nl: 10-20) CXR: MC is normal, Westermark sig...

CRAM SAEM Test 2 Questions And Answers With Complete Solutions Latest Updated 2024/2025 | Scored A+. what is the obturator sign? what diagnosis is it associated with? - Correct Answer- a/w appendicitis obturator sign = pain upon flexion and internal rotation of the hip#$/images/uploadflashcards/601487/854522_ what is Rovsing's sign? what diagnosis is it associated with? - Correct Answer- a/w appendicitis Rovsing's sign= pain in the RLQ upon palpation of the LLQ#$/images/uploadflashcards/6...