Parallel collimator - Study guides, Class notes & Summaries

CAMRT Exam Questions with Correct Answers - Latest Update 2024/2025 | 100% Solved. What does ERCP stand for? - correct answers.Endoscopic retrograde cholangiopancreatography What is an ERCP used for? - correct answers.To investigate biliary tree, CBD, gallbladder and pancreas Ball catchers view is good to assess what? - correct answers.Early stages of Rheumatoid Arthritis Low blood pressure and dizziness due to standing up too quickly - correct answers.Orthostatic hypertension What is Sh...

US attenuation rule of thumb correct answer: 0.5 dB/cm*MHz in soft tissue Lens dose is calculated at what depth? correct answer: 0.3 cm How many HVLs in a collimator head? correct answer: 2% transmission, so 0.02=2^(-n)-> n=5.6, 6 HVL Temperature and pressure correction correct answer: P0T/T0P, T0=295.2K To maintain an accuracy of 1/x, how many bits are necessary? correct answer: 2^y=x, y=lnx/ln2 ex: 1 ppm -> 2^y=10^6-> 6ln(10)/ln(2)=19.93->20 bits Given an air K...

CAMRT QUESTIONS WITH CORRECT ANSWERS 2024 Why include ant ST on lat Cspine Pre verterbal fat stripe- widening=#, mass, inflammation Air gap technique reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:09 / 0:15 Full screen why expiration with pneumo reduces lung vol, pneumo occupies larger area- easier...

Why are X-rays used in medical imaging often referred to as ‘soft X-rays’? Because they have energies that are lower than gamma rays. How are X-rays produced? By rapidly accelerating or decelerating charged particles – their kinetic energy is transferred into highenergy photons How can you differentiate between X-rays and Gamma rays? X-rays and gamma rays have frequencies that overlap, so you cannot distinguish them by their wavelengths. Instead you have to use their method of prod...

CAMRT Exam Questions with solutions, Graded A+ 2024 What is the advantage of line focus principle? It provides the detail of a small focal spot while allowing a large amount of heat dissipation If the pedicles sit too far posterior on vertebral bodies for an oblique L spine, what does this mean? Too much obliquity Remember: PP - too much (posterior pedicles) What is a CVP line? Used for measuring central venous pressure as well as allowing nutrients and fluid to be instilled...

Why include ant ST on lat Cspine - Answer :Pre verterbal fat stripewidening=#, mass, inflammation Quiz :Air gap technique - Answer :reduces scatter, increases contrast IP 10-15 cm away from pt mAs increase 10% for every cm gap Not effective with high kV Quiz :why expiration with pneumo - Answer :reduces lung vol, pneumo occupies larger area- easier to see Quiz :Spondylolisthesis - Answer :forward displacement of a vertebra commonly occurs after # (pars) Quiz :Spondylolysis - Answer :occ...

How far away must the operator stand from the xray tube if not covered with lead? - Answer :3 meters Quiz :90% of man made radiation to the population is related to? - Answer :Medical Radiography and Dental Quiz :For each peak xray voltage, what lead equivalent is required? 100kV or less (o-100) Between 101kV-149kV 150kV or greater (150+) - Answer :0-100kV = 0.25mm of lead Greater than 100kV but less then 150kV = 0.35mm of lead 150kV or greater = 0.50mm of lead Quiz :What protective eq...

CAMRT Exam Questions with Correct Answers | Latest Update 2024/2025 | 100% Solved. C-spine flexion / extension views assess what? - correct answers.Anterior and posterior movement or lack of movement due to an injury What does ERCP stand for? - correct answers.Endoscopic retrograde cholangiopancreatography What is an ERCP used for? - correct answers.To investigate biliary tree, CBD, gallbladder and pancreas Ball catchers view is good to assess what? - correct answers.Early stages of Rheuma...

ABR EXAM 2024 QUESTIONS WITH COMPLETE SOLUTIONS!! In order for a block to have as little penumbra as possible, what must be the requirements of the block? - ANS The block edge must be diverging In treatment planning, which factor takes into account the effects of the flattening filter? - ANS Off axis correction factor A patient is prone and going to be treated 100 SSD to a depth of 5.0 cm. The field size is 14x8. You think you setup to 100 SSD but the ODI is off. The...

RHS Latest Version (2022/2023) Already Graded A developer first chemical solution used to process radiographs enamel covers outside of crown of tooth enamel hardest living tissue in the human body fixer second chemical solution used in processing radiographs identification dot a raised dot on x-ray film to facilitate in the mounting process latent image image formed from crystal halide that is exposed to radiation; the image does not form until it has been exposed to chemicals for a specifi...