Ferromagnetic - Study guides, Study notes & Summaries

MRSO Real Exam Questions and Answers All Correct 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 ki...

MRSO-EXAM 3 Questions with 100% Correct Answers 2024 All MR medical directors must report incidents to which of the following? a. FDA Medwatch Program b. ACR MR safety board c. None of the choices d. All of the choices - ANSWER a. FDA Medwatch Program Which of the following is not true? a. Screening process for non-MR personnel and MR personnel should be different. b. Screening process for non-MR personnel and MR personnel should be the ...

How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East ~~> 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. ~~> D. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call what? A. Paramagnetic B. Diamagnetic ...

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...

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 of the oil additives have been depleted a. ferromagnetic analysis b. total base number ...

MRSOHow do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - correct 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. - correct answer D. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call what? A. Paramagne...

MRSO Mock Test 1What 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 - correct 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 - correct answer A. Magnetohyrdodynamic Effect When can heatin...

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 FINAL EXAM How do magnetic flux lines travel? A. North to South B. South to North C. East to West D. West to East - CORRECT 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. - CORRECT ANSWER--D. All of the choices An object that retains its magnetic field when exiting the static magnetic field is call wh...

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...