MRSO MOCK EXAM 2 NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED
ANSWERS
Which provides us a more accurate understanding of RF exposure to our patient?
B1+rms
SAR
Tesla
SED - (answer) B1+rms
B1+rms represents the RF exposure to our patient based on our parameters selected. This is more
accurate than SAR and SED.
A cobalt screwdriver is brought into the MRI suite. Which of the following would demonstrate the
strongest translational force?
No noticeable attractive forces will be seen
6T/m
70 g / cm (0.7 T/m)
0.1 T / m - (answer) 6 T / m
100 G/cm = 1 T/m.
OSHA sets a safe noise level for occupational workers to what?
85dBA
70dBA
99dBA
140dBA - (answer) 85dBA
OSHA sets the level of 85dBA as a safe level of noise that will not cause hearing damage.
,MRSO MOCK EXAM 2 NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED
ANSWERS
Which of the following implants would be the largest threat in terms of only the static magnetic field?
Cardiac stent
Saline breast implant
Permanent retainer
None of the choices - (answer) None of the choices
What is the center frequency for a 1.5T is approximately?
128 MHz
64 MHz
224 MHz
300 G/cm - (answer) 64 MHz
Who is responsible for maintaining the quench vent outside the site?
MRI Physicist
MRI technologists
Site engineer
Manufacturer engineer - (answer) Site engineer
Which of the following situations would promote the highest risk of an object reacting to the static
magnetic field?
A 5 ft 7 inpatient for a brain MRI with a lumbar fusion
A 5 ft 7 inpatient for a lumbar spine with an unknown GI clip
A 5 ft 9 inpatient for a cervical spine MRI with an unknown cardiac stent
All of the choices are a risk - (answer) A 5 ft 7 inpatient for a lumbar spine with an unknown GI clip
, MRSO MOCK EXAM 2 NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED
ANSWERS
Which pulse sequence would we expect to produce the loudest noise?
A DWI
A FLAIR
The conventional spin echo
All of the choices - (answer) A DWI
When moving from 1.5 Tesla to 3 Tesla, the force of magnetism is ___.
10 times stronger
Inverse Square
Doubled
Quadrupled - (answer) Doubled
Which of the following increase the risk of a patients developing an allergic reaction to gadolinium
contrast?
Prior history of iodinated contrast reaction
All of the choices
History of other severe allergic reactions to foods
Prior history of gadolinium reaction - (answer) All of the choices
We would expect the highest heating in a linear implanted device exposed to an RF frequency under
what condition?
Spherical objects
Objects less than 2 cm in size
Aligned perpendicular to the RF field
ANSWERS
Which provides us a more accurate understanding of RF exposure to our patient?
B1+rms
SAR
Tesla
SED - (answer) B1+rms
B1+rms represents the RF exposure to our patient based on our parameters selected. This is more
accurate than SAR and SED.
A cobalt screwdriver is brought into the MRI suite. Which of the following would demonstrate the
strongest translational force?
No noticeable attractive forces will be seen
6T/m
70 g / cm (0.7 T/m)
0.1 T / m - (answer) 6 T / m
100 G/cm = 1 T/m.
OSHA sets a safe noise level for occupational workers to what?
85dBA
70dBA
99dBA
140dBA - (answer) 85dBA
OSHA sets the level of 85dBA as a safe level of noise that will not cause hearing damage.
,MRSO MOCK EXAM 2 NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED
ANSWERS
Which of the following implants would be the largest threat in terms of only the static magnetic field?
Cardiac stent
Saline breast implant
Permanent retainer
None of the choices - (answer) None of the choices
What is the center frequency for a 1.5T is approximately?
128 MHz
64 MHz
224 MHz
300 G/cm - (answer) 64 MHz
Who is responsible for maintaining the quench vent outside the site?
MRI Physicist
MRI technologists
Site engineer
Manufacturer engineer - (answer) Site engineer
Which of the following situations would promote the highest risk of an object reacting to the static
magnetic field?
A 5 ft 7 inpatient for a brain MRI with a lumbar fusion
A 5 ft 7 inpatient for a lumbar spine with an unknown GI clip
A 5 ft 9 inpatient for a cervical spine MRI with an unknown cardiac stent
All of the choices are a risk - (answer) A 5 ft 7 inpatient for a lumbar spine with an unknown GI clip
, MRSO MOCK EXAM 2 NEWEST 2024 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT DETAILED
ANSWERS
Which pulse sequence would we expect to produce the loudest noise?
A DWI
A FLAIR
The conventional spin echo
All of the choices - (answer) A DWI
When moving from 1.5 Tesla to 3 Tesla, the force of magnetism is ___.
10 times stronger
Inverse Square
Doubled
Quadrupled - (answer) Doubled
Which of the following increase the risk of a patients developing an allergic reaction to gadolinium
contrast?
Prior history of iodinated contrast reaction
All of the choices
History of other severe allergic reactions to foods
Prior history of gadolinium reaction - (answer) All of the choices
We would expect the highest heating in a linear implanted device exposed to an RF frequency under
what condition?
Spherical objects
Objects less than 2 cm in size
Aligned perpendicular to the RF field
