Ferromagnetic - Study guides, Class notes & Summaries

MRSO Mock Test 1 with Questions and Answers. What pulse sequence will produce the most patient heating? A. Inverse recovery sequence B. Single shot fast spin echo C. Conventional spin echo D. Gradient Echo - Answer B. Single shot fast spin echo During acquisition, it is noticed that the T wave of the cardiac cycle is elevated. What is this artifact called? A. Magnetohydrodynamic Effect B. Excitation C. Teratogenesis D. Magnetophosphenes - Answer A. Magnetohyrdodynamic Effect When can...

MRSO: Exam 1 (Answered 100% Correctly) The control room is found where? a. Zone I b. Zone II c. Zone III d. Zone IV C. Zone III Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation b. Lenz's force Which of the following are recommended by the ACR Guidance document in MR safety 2013 in proper scanning of a patient? I. Metal detector II. Ferromagnetic detectio...

MRSO EXAM Test Questions And Revised Correct Answers How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - ANSWER : A North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - ANSWER : D. All of the choices An object that retains its magnetic field when exiting the static ma...

The following types of injury can and have occurred during the MRI scanning process: (8) - Answer 1. "Missile effect" or "projectile" injury in which ferromagnetic objects (those having magnetic properties) such as ink pens, wheelchairs, and oxygen canisters are pulled into the MRI scanner at rapid velocity. 2. Injury related to dislodged ferromagnetic implants such as aneurysm clips, pins in joints, and drug infusion devices. 3. Burns from objects that may heat during the MRI process,...

Millwright-Preventive and Predictive Maintenance Exam Questions and Answers Preventive maintenance - ANSWER ️️ is the periodic inspection and maintenance of plant assets and equipment to uncover conditions that may to equipment failure or shortened life This measures the amount of contaminants per litre of fluid. a. ferromagnetic analysis b. total base number c. infrared tests d. gravimetric level analysis - ANSWER ️️ d. gravimetric level analysis These tests indicate how much ...

Static field metrics ~~> 1T = 10,000G (0.5mT = 5G) Who published guidelines titled "Criteria for Significant Risk" that specifies what qualifies as significant risk of exposure to magnetic field associated with MRI. ~~> FDA FDA guidelines state EXPOSURE to a static field that does not pose a significant risk is: ~~> Limited to 8T for adults and infants > 1 month Limited to 4T for infants < 1 month Forces related to static field ~~> -Torque/rotation -Translat...

Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation - Answer- b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins - Answer- b. 4 W/kg for 15 mins Gadolinium contains what kind of magnetism? a. Diamagnetic b. Paramagnetic ...

How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - Answer- A North to South Which of the following can be potential safety concerns to a patient in the static magnetic field? A. Electrically conductive materials B. Ferrous objects C. Magnetic objects D. All of the choices. - Answer- D. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call what? A. Paramagnetic B. Diamagneti...

The control room is found where? a. Zone I b. Zone II c. Zone III d. Zone IV - Answer C. Zone III Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation - Answer b. Lenz's force Which of the following are recommended by the ACR Guidance document in MR safety 2013 in proper scanning of a patient? I. Metal detector II. Ferromagnetic detection system III. Written scree...

MRSO: Exam mark 209 Questions with Complete Solutions 100% Verified Which of the following describe when a non-ferrous object is repulsed by static magnetic field? a. Fourier transformation b. Lenz's force c. Ohm's law d. Larmor equation - Correct Answers b. Lenz's force What is the FDA SAR limit for the whole body in first level controlled operating mode? a. 8 W/kg for 15 mins b. 4 W/kg for 15 mins c. 3 W/kg for 10 mins d. 7 W/kg for 20 mins - Correct Answers b. 4 W/kg for 15 ...