MRSO: Exam 1 (Answered 100% Correctly)

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 detection system III. Written screening sheet IV. Patient gown a. I, III, IV b. I, II, III, IV c. II, III, IV d. III c. II, III, IV 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 b. 4 W/kg for 15 mins Gadolinium contains what kind of magnetism? a. Diamagnetic b. Paramagnetic c. Ferromagnetic d. Super paramagnetic b. Paramagnetic Which of the following is true of Zone IV? Select all that apply. a. This area should be monitored by a level 2 MR personnel b. Should be noted with signage c. Contain metal detectors for implant identification d. No unsafe implants may cross the 5-gauss unless the implant is researched and analyzed for risk a, b, d Where will peripheral nerve stimulation be the strongest?