MRSO Exams Package Deal -Solved

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...

Peripheral nerve stimulation can be described by which of the following? a. Faraday's law of induction b. Ohm's law c. Lenz's law d. Planks Law - ANSWER-b. Faraday's law of induction (describes the induction of electrical current in the presence of a changing magnetic field). Lenz's forc...

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...

MRSO- Exam 3 with Complete Solutions

What is the name of the gradient coil used to produce sagittal and coronal images? a. Transverse coil b. Golay coil c. Maxwell coil d. Receiver coil - ANSWER-b. Golay coil ("saddle coil") Which of the following is able to handle the most RF heating? a. elderly b. adult c. obese adult ...

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 ...

Zero Boil-Off - ANSWER-System that reduces/eliminates the need to recharge Helium in a magnet. Quench - ANSWER-Quickly eliminating the magnetic field. Not immediate, takes 3 to 5 minutes to completely eliminate magnetic field. Loud Noise as Helium rushes out of Quench Vent. Can cause cra...

niobium-titanium - ANSWER-Most commonly used conductor wires. Has critical temperature of 10K (-442F). Liquid Helium is used to cool the wires - cooled to 4K. Field Map - ANSWER-Shows field strength. Greatest at isocenter. 5G Line - ANSWER-0.5 mT. Must be in an area of controlled access....

Critical temperature of niobium-titanium conductor wires - ANSWER-10K (-442F) Liquid Helium temperature to cool wires - ANSWER-4K Translational force is measured in - ANSWER-T/m Translational force calculation - ANSWER-B0(dB/dx) Spatial gradient calculation - ANSWER-dB/dx Frequency of...

All patients and non-patients should be screened before entering - ANSWER-Zone III Screening forms for patients and non-patients should be - ANSWER-identical How often should MR personnel fill out a screening form? - ANSWER-Each year Ferromagnetic detection should be performed in - ANSWER-Z...

MR screening should be - ANSWER--verbal and interactive -performed by Level 2 MR Personnel MR screening should not be - ANSWER-simplified Who defines terms for marking medical devices in MR environment? - ANSWER-ASTM According to ASTM, MR Safe is applied to items that: - ANSWER-Items that ...

Must be screened to guarantee their safety, as well as the safety of those around them. This includes patients,family members accompanying patients, technologists, radiologists, anesthesiologists, nurses, receptionists, cleaning staff, service engineers, and anybody else who might possibly enter the...