beta-version (free) Read. How much mA and kVp are required to double Intensity of the X-ray Spectrum? Program Description. Study Flashcards On Core Radiology at Cram.com. Location. Study 169 ASTR101 Final flashcards from McKenna W. on StudyBlue. What dictates lateral resolution (two adjacent structures, perpendicular to the beam) in ultrasound? MSK - Arthritis Matching!. What is the spatial resolution of magnetic resonance imaging? What's is the equation for the energy (E) of a photon of electromagnetic radiation using Plank's constant (h), speed of light (c), frequency (f), and wavelengths (L)? To effectively tilt the magnetic moment of H+ protons, the RF pulse must equal the Larmor frequency, which is directly proportional to magnetic field strength. What is the energy and physical half life of Iodine-123? Learn vocabulary, terms, and more with flashcards, games, and other study tools. Learn radiology core with free interactive flashcards. Radiology Flashcards. EPI = echo planar due to rapid switching of gradient pulses. degree program prepares practitioners (radiologic technologists) to work with patients and physicians, performing a wide variety of diagnostic imaging procedures within the radiology (X-ray) department. What is the energy and physical half life of Xenon-133? EOA=+o/+e. What is the spatial resolution of digital mammography? When is the frequency encoding gradient applied in spin echo imaging? Compton scatter interactions involve incident photons and outer shell atomic electrons. CTDI vol = (1/3 central CTDI + 2/3 peripheral CTDI)/Pitch. TI > 1.0 (heat risk), MI > 0.5 (cavitation risk). Breast closer to detector (decreased SOD) results in magnification (increased dose, increased blur) and reduces scatter received by the image receptor, Cancer identified on routine screening (4.4%), Cancer identified because of biopsy recommendation (25.4%). Our comprehensive ARRT Certification Exam prep question bank is fully up-to-date and includes over 1,200 questions with detailed answer feedback. What is the maximum concentration of aluminum ion breakthrough allowed by the NRC in a technetium 99m generator? Increased flip angle will increase T1 weighting. Free flashcards to help memorize facts about CORE Radiology. Flash cards covering the combining forms that will be introduced when discussing Radiology and Nuclear Medicine with Anatomy or Health Science students. What activity of TI-201 is considered a major spill? Phase encoding gradient is changed with each repetition (TR). High DQE results in a low dose, is proportional to MTF, is inversely proportional to SNR, and DQE is better at lower spatial resolution (DR>CR). What is the annual equivalent extremity dose limit for occupational exposure? What MSD size w/o a visible embryo is diagnostic for fetal demise? 10micrograms Al per 1mL Tc (measured via pH paper). Start studying RADIOLOGY CORE. How often is Accuracy of dose calibrator (Ion Chamber) checked? Normalization in PET done Monthly ("normal month"). Cortical phase is 1-3 min post injection and is the time split renal function is calculated. What is the relationship between Detective Quantum Efficiency (DQE) and dose, MTF, SNR, and spatial resolution? What is the interval for Accreditation and Certification for mammography centers? How much contrast do you inject into the knee joint? What is the equation for image resolution in line pairs per millimeter when given the full width half maximum (FWHM)? Doubling magnetic field strength will result in a 4x increase in MR signal and 2x increase in MR noise, will result in T1 prolongation, and have no effect on T2. Is it better to increase mA or kVp to decrease noise (noise = quantum mottle + scatter)? What is the energy and physical half life of Fluorine-18? What is a technical measure of an image system's ability to show contrast across a range of spatial frequencies? Fat is very bright on T1, therefore it has a short T1 time, which also means that it recovers it's longitudinal magnetization the fastest. Note that its takes 4x mA to double SNR (4/ sq rt 4 = 4/2 = 2). Photoelectric effect dominates Compton scatter at lower energies (20-30 KeV), and higher Z materials are much more likely to have photoelectric effect (Z^2)3. What is the best keV to maximize barium contrast? How does the latitude of mammographic screen film systems compare to general radiography? Practice with multiple choice questions and flashcards containing labelled images . What is the relationship between dose and spatial resolution with pixel binning? RadTechBootCamp is the most powerful solution for those preparing for the American Registry of Radiologic Technologists (ARRT) Certification Exam! What type of CT kernel is used for soft tissue vs bone? What activity of Tc-99m is considered a major spill? After marking a module as reviewed, prebuilt flashcards are added to the study queue. What MRI sequence is most likely to cause peripheral nerve stimulation? Top Radiology Flashcards Ranked by Quality Med - Radiology Med - Radiology Flashcard Maker: Languages . Radiology Flashcards for the Core. Cram.com makes it easy to get the grade you want! What are the valve area values for grading aortic stenosis? Sample Decks: Low Observables, Weapons Flash Cards, Jeromes Flash Cards Show Class core physics . Increased kVp results in a decreased linear attenuation coefficient and an increase in the half value layer needed to attenuate 50% of the x-ray beam. core radiology boards review flash cards flashcards resident residency neuro neuroradiology. What is the (a) surface does limit and (b) exposure limit at 1 m for "yellow 2" packages? Use these flashcards to help memorize information. 331 Cards – 14 Decks – 32 Learners Study Flashcards On Core Radiology Board Review at Cram.com. What is the relationship between energy and atomic number (Z) to the photoelectric effect? When filling K space during single spin echo imaging, what is the role of frequency encoding steps and phase encoding steps? Kind of the same … To unlock this flashcard set you must be a Study.com Member. Inverse square law = doubling the distance (SID) will quadruple the noise because energy that is twice as far away from the source will spread out over four times the area (resulting in 1/4th the intensity at the image receptor). What is the energy and physical half life of Tc-99m? Learn about Core Radiology (MSK - Arthritis Matching!) CORE Orthopaedic Medical Center 332 Santa Fe Drive Suite 110 Encinitas, CA 92024 760-943-6700 BICD 110 Midterm - Biology 100 with Reuther at University of California - San Diego - StudyBlue Flashcards Equipment Hourly Rates What is the reference CTDI vol dose for pediatric abdominal CT? What is the relationship between magnification and SOD to Blur? If they move, this distinguishes them f…, The gallbladder is completely filled with stones, or one giant…, 1) Gallstone (mobile, exhibits shadowing)... 2) Gallbladder sludg…, - CD4 < 100... - wide range of appearances…, - CD4 < 200... - bilateral perihilar groun…, 1) anterior pararenal space: ascending and descending colon, 2…, a diverse group of neoplasms that make up the most common retr…, Describe SNAC wrist (scaphoid non-union advanced collapse). How much contrast you inject into the tibiotalar joint? Xe-133 = 81Kev, 125hours (note: biological T1/2 = 30seconds). What is the relationship of tube voltage on Compton scatter and photoelectric interaction when the energy of the incident x-ray photons is above the k-edge of the material being imaged? I made a lot of flashcards directly from this book. What is the energy and physical half life of Iodine-131? Learn vocabulary, terms, and more with flashcards, games, and other study tools. What is the skin dose resulting in Early Transient Erythema? What is normal air kerma limit in fluoroscopy? The probability of Compton scatter is increased with increasing electron density and decreased with increases in the energy of incoming photons. In spin echo imaging, which gradient is changed with every repetition? Increasing MRI receiver bandwidth results in a decrease TE and decreased signal-to-noise ratio. Study 27 Core Radiology MSK Part 1 flashcards on StudyBlue. What is the radiochemical purity limit for free Tc? What is the skin dose resulting in Permanent Epilation? Note 180 degree pulses need twice the SAR of a 90 degree pulse. These can be used in conjunction with the Radiology and Nuclear Medicine word search, crossword, and quiz/worksheet. Midterm 1 Study - Cognitive Science 17 with Johnson at University of California - San Diego - StudyBlue Flashcards Signal to noise ratio decreases because increasing the bandwidth results in increased noise. There are 52 cards total. What is the (a) surface does limit and (b) exposure limit at 1 m for "white 1" packages ? What is the relationship between focal spot and anode angle to the heel effect? What is the wrong dose limit for a radiopharmeceutical medical event? What is the NRC annual occupational dose limit in total effective dose equivalents for a worker under 18 years of age. What is the effect on SAR when you move from 90 to 45 degrees flip angle? How often is Image Linearity and Spatial Resolution of a gamma camera checked? What are the Mammogram Training Requirements? Phase encoding gradient is changed with each repetition (TR). Memorize what you just learned taking advantage of spaced-repetition learning, filtering what you know from … Smaller FOV requires a higher dose to maintain SNR but can increase spatial resolution. Radiology quizzes; Radiology flashcards ; Video podcasts from Learning Radiology; Radiology Museum depicting important events in Radiology history like Roentgen’s journey of discovering X-rays. What is the maximum concentration of molybdenum breakthrough allowed by the NRC in a technetium 99m solution at the time of administration? What is the relationship between bits and shades of gray? What is the Mean Glandular Dose limit for a breast phantom? to differentiate from pyogenic abscess, look for restricted diffusion internally in an abscess. Breakthrough allowed by the NRC in a small effective focal spot `` thinning '' energy than with iodine similar! Increased noise ) search, crossword, word scramble, games, and 3T shades... 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