MRSO MOCK EXAM NEWEST 2024 ACTUAL

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MRSO MOCK EXAM NEWEST 2024 ACTUAL

EXAM COMPLETE 100 QUESTIONS AND

CORRECT DETAILED ANSWERS (VERIFIED

ANSWERS) |ALREADY GRADED A

A patient is advanced in the MRI scanner very quickly and experiences the sensation of flashing lights in their visual field. What are they experiencing?

• Nystagmus
• Magnetophosphenes
• Magnetohydrodynamic effect
• Heating - ANSWER- B. Magnetophosphenes

Which of the following is a short term effect of gadolinium based contrast?

• Gadolinium retention

B. NSF

• Nausea
• GAP - ANSWER- C. Nausea
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What gradient coil will produce axial images?

• X Gradient
• Y Gradient
• Z Gradient
• All of the choices - ANSWER- C. Z Gradient

A headache after contrast injection is considered what?

• None of the choices
• Anaphylaxis
• Allergic reaction
• Non allergic reaction - ANSWER- D. Non allergic reaction

The invisible fields that flow from the north pole to south pole of a magnet are called?

• Voltages
• Radiant fields
• Electrical current
• Magnetic flux lines - ANSWER- D. Magnetic Flux lines

The transmission of radiofrequency waves will cause what? 2 / 4

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• Peripheral nerve stimulation
• Patient heating
• Magnetohydrodynamic effect
• Vertigo - ANSWER- B. Patient heating

Unsafe electrical devices in patients should be restricted from which of the following?

• Entering Zone 2
• Entering Zone 1
• Crossing the 5-gauss line
• Crossing the 10-gauss line - ANSWER- C. Crossing the 5-gauss line

Which of the following is used to measure patient heating?

• Patient heating ratio
• Specific energy resonance
• Set absorption ratio
• Specific absorption rate - ANSWER- D. Specific Absorption Rate

What type of MRI unit uses many bricks of magnets to produce a strong static field?

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• All of choices
• Resistive magnet
• Permanent Magnet
• Superconducting magnet - ANSWER- C. Permanent Magnet

Which of the following are units of measurements for static magnetic fields?

• Decibels
• Tesla
• Gauss
• Tesla and Gauss - ANSWER- D. Tesla and Gauss

When does resonance occur?

• When the patient is placed in isocenter and only experiences the static

magnetic field

• When the radiofrequencies transmitted match the precessional speed

of hydrogen.

• When the radiofrequencies are different than the precessional speed

of hydrogen.

• When the radiofrequency is transmitted at 42.6 MHz - ANSWER- B.

When the radiofrequencies transmitted match the precessional speed of hydrogen.

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