Fov - Samenvattingen, Aantekeningen en Examens

MRI Protocol is defined as ____________ correct answers-Set of rules - These rules in MRI are described as different pulse sequences within one exam that contain a variety of parameters. - An average MRI protocol can have around 5 to 10 pulse sequences (ex: knee injury - two PD weighted sagittal and coronal, two T2 weighted sagittal and coronal, and one T2 axial which are 5 different sequences) Name the 7 different parameters. correct answers-TR -TE -Flip Angle -NEX -Received Bandwi...

reflection return of the ultrasound wave to the transducer from a smooth surface when does the greatest amount of reflection occur when the incident beam is perpendicular to structure (specular reflection) scatter deflection of ultrasound waves from small structures (red blood cells scatter sound) refraction deflection of Ultrasound waves due to media with varied acoustic impedance attenuation loss of Ultrasound signal due to absorption in tissues as it travels ...

MRSO Prep Exam 2024 Questions and Answers (Graded A)MRSO Prep Exam 2024 Questions and Answers (Graded A)MRSO Prep Exam 2024 Questions and Answers (Graded A)MRSO Prep Exam 2024 Questions and Answers (Graded A)MRSO Prep Exam 2024 Questions and Answers (Graded A) IEC DB/DBA limits for MRI - ANSWER-140 DB 99 DBA stimulation of the eyes in a patient causing an appearance of flashing lights - ANSWER-magnetophosphenes parameters to reduce noise in MRI - ANSWER--thicker slices -larger FOV -smal...

Practice Test ASRT CT Questions with Correct Answers Rated A The z-axis refers to the ______ plane. a) coronal b) axial c) sagittal d) transverse - Correct Answer axial Generators are often times located within the gantry. These types of generators are typically: a) full wave/three-phase. b) medium frequency. c) high frequency. d) multiwave/two-phase. - Correct Answer high frequency Modern CT scanners rely on ____ to process acquired data. - Correct Answer minicomputers...

TOF MRA is sensitive to flow coming into the FOV or imaging volume spins and vessels with slow flow become saturated 2D TOF is best for areas of slower flow all of the vessels exhibit slow flow except————- which have higher velocity. correct answersIntracranial vessels When imagining the human body for clinical purposes in MRI we only are interested in : correct answersH1 Coils that superimpose small magnetic fields within the patient during the scan and allow for spatial encoding ...

MCPHS IMAGINGU MRI EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED BY EXPERTS Active Shimming is done at the time of imaging and consists of running current through specific coils to increase the strength/homogeneity of certain areas in the MRI scanner to increase image quality. Faraday's Law states that: when a loop of wire is exposed to a moving magnetic field, a voltage will be induced into that loop of wire Calculate the voxel volume for a sequence with a 240x240mm FOV,...

The smallest object that can be resolved in an image acquired with a 20cm FOV and a 224 x 224 matrix is _________ mm. correct answers0.89 200 mm ÷ 224 = 0.892mm The smallest object that can be resolved in an image acquired with a 24cm FOV and a 272 x 272 matrix is _________ mm. A. 0.76mm B. 0.88mm C. 0.93mm D. 1.13mm E. 1.24mm correct answers0.88. 240 ÷ 272=0.88MM What would the scan time be in a 3D volume acquisition as follows: TR 32 ms, TE 4 ms, Flip Angle 15°, FOV 18cm, 2mm s...

Image produced is a transaxial or transverse that is perpendicular to the long axis of the body correct answers CT The plane of the image is parallel to the long axis of the body correct answers Axial tomography The part of the CT scanner that houses the x-ray tube, cooling system, detector assembly, and data acquisition system (DAS) correct answers Gantry Related to the x-ray attenuation coefficient of the tissue contained in the voxel correct answers Hounsfield unit (HU) When sourc...

ARMRIT Practice Test Part 2: Clinical Applications Questions and Answers 100% Accurate ARMRIT Practice Test Part 2: Clinical Applications Questions and Answers 100% Accurate ARMRIT Practice Test Part 2: Clinical Applications Questions and Answers 100% Accurate For the following spin-echo protocol: FOV: 320/ TR:500/ TE:25/ SliceThick.:5mm/ Slice Gap:1mm/ Slice.#:9/ NEX:4, Matrix:192 Decreasing TE will: a. Decrease the # of allowable slices. b. Increase the # of allowable slices. c. ...

CT Registry Review Program Post-Test Questions and Answers Graded A+ Bremsstrahlung radiation does NOT include which type of electron activity? 1. Collision between an incoming electron and the nucleus of the target atom 2. Collision between an incoming electron and an electron in an inner shell of the target atom 3. Slowing down of an incoming electron due to the effect of passing close to the positive charge of the nucleus of the target atom 2 only. Collision between an incoming electron ...