MRSO MOCK TEST 1 (ACTUAL / ) WITH
QUESTIONS AND VERIFIED ANSWERS
what pulse sequence will produce the most patient heating?
- Inverse recovery sequence
- Single shot fast spin echo
- Conventional spin echo
- Gradient Echo
- Single shot fast spin echo
Which of the following are units of measurements for static magnetic fields?
- Decibels
- Tesla
- Gauss
- Tesla and Gauss
- Tesla and Gauss
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When does resonance occur?
- When the patient is placed in isocenter and only
- When the radiofrequencies transmitted match the
- When the radiofrequencies are different than the
- When the radiofrequency is transmitted at 42.6 MHz
- When the radiofrequencies transmitted match the
experiences the static magnetic field
precessional speed of hydrogen.
precessional speed of hydrogen.
precessional speed of hydrogen.
An object that produces a weak repulsive force in presence of a strong magnetic field is called what?
- Diamagnetic
- Paramagnetic
- Superparamagnetic
- Ferromagnetic
- Diamagnetic
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What does the image of MR with a red circle and slash through it represent?
- MR Unsafe
- MR Conditional
- MR Safe
- MR Compatible
- MR Unsafe
Where is Cryogen found?
- In the MR unit
- In zone 3
- In the equipment room
- In the quench vent
- In the MR Unit
Normal kidneys should excrete all gadolinium contrast from a patient how quickly?
- 48 hours 3 / 4
- 24 hours
- 6 hours
- 12 hours
- 24 hours
The noise hear in MRI is caused by which of the following?
- Lorentz Force
- The antenna effect
- Larmor force
- Ohms Force
- Lorentz Force
The speed that it takes a gradient coil to reach maximum strength is called what?
- Slew rate
- Rise time
- Spatial gradient
- Maximum gradient peak
- Rise Time
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