MRSE Actual Exam Questions With Reviewed 100% Correct
Detailed Answers Guaranteed Pass!!
1. Formula for tem- dTp/dt = SAR/C, where C = 4186 J/kg, Tp = temperature
perature change in
a patient
2. How much does liq- >700x
uid helium expand
when transitioning
to gaseous helium?
3. Electric field densi- JE = Conductivity x electric field strength x B0 x V where V = velocity?
ty ( JE) formula
4. What is the most B1 + rms
accurate way to
measure energy
dose to the patient?
5. Kinetic stability The rate at which a gadolinium agent dissociates
6. Thermodynamic the change that a gadolinium agent will transmetallate
stability
7. Diamagnetic Very small negative magnetic susceptibility (X), two electrons in an orbital
8. Paramagnetic Very small positive magnetic susceptibility (X), one electron in an orbital
9. Ferromagnetic very large positive magnetic susceptibility (X), domains of directional mag-
netism that can align with an external field, retains magnetism after being
removed from field
10. RF Pulse power Power = Flip Angle ^2 x (Tp / Tr) where Tp = pulse duration, Tr =
(heating) formula
11. Slew rate formula Maximum Gradient Strength (mT/m) / Rise Time (ms)
, MRSE Actual Exam Questions With Reviewed 100% Correct
Detailed Answers Guaranteed Pass!!
12. What parameters Increase rise time (reduces slew rate), decrease matrix/phase encoding (re-
can be changed to duces slope of gradient), increasing slice thickness (shallower slice selec-
reduce Peripheral tion gradient), increase FOV (shallower frequency encoding gradient), phase
Nerve Stimulation noise-canceling (opposite frequency to noise), increase echo time TE
(PNS)?
13. Nitinol is paramagnetic
(paramagnetic/dia-
magnet/ferromag-
netic)
14. What quantitative slew rate
property of the
gradient coils is
responsible for
Peripheral Nerve
Stimulation (PNS)?
15. What contrast macrocyclic, ionic
agents are the
most stable?
16. What is a common 0.1 mmol/kg
dose of gadolini-
um?
17. In what direc- antiparallel
tion relative to
the magnetic flux
will the strongest
Lenz's force be pro-
duced?
, MRSE Actual Exam Questions With Reviewed 100% Correct
Detailed Answers Guaranteed Pass!!
18. What is the ASTM 15 mins continuous scanning
duration of time de-
fined for heating ef-
fects?
19. Where is transla- edge of bore
tional force at a
maximum?
20. Where is transla- isocenter
tional force at a
minimum?
21. Where is rotation- isocenter
al force at a maxi-
mum?
22. Where are gradient inner periphery of bore
fields at their maxi-
mum?
23. Do gradient fields yes
extend outside the
bore?
24. Do RF fields extend no
outside the bore?
25. What kind of stain- 316L austenitic stainless steel
less steel is NOT
ferritic?
26. ferromagnetic
, Cobalt is
(paramagnetic/dia-
magnetic/ferro-
magnetic)
27. MP35N alloy is (fer- not ferrous
rous/not ferrous)
28. How much risk minimal risk because the wires are usually not ferrous and have a very short
does a temporary length that will not create much heating
epicardial pacing
wire pose?
29. What is the min- 1 cm foam pad (thick enough, not impacted by sweat)
imum type and
amount of padding
to reduce a proxim-
ity or loop burn?
30. In which zones will fixed: Zone 2. mobile: Zone 3
a patient change
for a fixed and mo-
bile MRI?
31. Who is allowed to Only level 2 MR personnel
bring a patient into
zone 4?
32. Who is allowed to Level 1 and 2 MR personnel
bring a patient into
zone 3?
33.
Detailed Answers Guaranteed Pass!!
1. Formula for tem- dTp/dt = SAR/C, where C = 4186 J/kg, Tp = temperature
perature change in
a patient
2. How much does liq- >700x
uid helium expand
when transitioning
to gaseous helium?
3. Electric field densi- JE = Conductivity x electric field strength x B0 x V where V = velocity?
ty ( JE) formula
4. What is the most B1 + rms
accurate way to
measure energy
dose to the patient?
5. Kinetic stability The rate at which a gadolinium agent dissociates
6. Thermodynamic the change that a gadolinium agent will transmetallate
stability
7. Diamagnetic Very small negative magnetic susceptibility (X), two electrons in an orbital
8. Paramagnetic Very small positive magnetic susceptibility (X), one electron in an orbital
9. Ferromagnetic very large positive magnetic susceptibility (X), domains of directional mag-
netism that can align with an external field, retains magnetism after being
removed from field
10. RF Pulse power Power = Flip Angle ^2 x (Tp / Tr) where Tp = pulse duration, Tr =
(heating) formula
11. Slew rate formula Maximum Gradient Strength (mT/m) / Rise Time (ms)
, MRSE Actual Exam Questions With Reviewed 100% Correct
Detailed Answers Guaranteed Pass!!
12. What parameters Increase rise time (reduces slew rate), decrease matrix/phase encoding (re-
can be changed to duces slope of gradient), increasing slice thickness (shallower slice selec-
reduce Peripheral tion gradient), increase FOV (shallower frequency encoding gradient), phase
Nerve Stimulation noise-canceling (opposite frequency to noise), increase echo time TE
(PNS)?
13. Nitinol is paramagnetic
(paramagnetic/dia-
magnet/ferromag-
netic)
14. What quantitative slew rate
property of the
gradient coils is
responsible for
Peripheral Nerve
Stimulation (PNS)?
15. What contrast macrocyclic, ionic
agents are the
most stable?
16. What is a common 0.1 mmol/kg
dose of gadolini-
um?
17. In what direc- antiparallel
tion relative to
the magnetic flux
will the strongest
Lenz's force be pro-
duced?
, MRSE Actual Exam Questions With Reviewed 100% Correct
Detailed Answers Guaranteed Pass!!
18. What is the ASTM 15 mins continuous scanning
duration of time de-
fined for heating ef-
fects?
19. Where is transla- edge of bore
tional force at a
maximum?
20. Where is transla- isocenter
tional force at a
minimum?
21. Where is rotation- isocenter
al force at a maxi-
mum?
22. Where are gradient inner periphery of bore
fields at their maxi-
mum?
23. Do gradient fields yes
extend outside the
bore?
24. Do RF fields extend no
outside the bore?
25. What kind of stain- 316L austenitic stainless steel
less steel is NOT
ferritic?
26. ferromagnetic
, Cobalt is
(paramagnetic/dia-
magnetic/ferro-
magnetic)
27. MP35N alloy is (fer- not ferrous
rous/not ferrous)
28. How much risk minimal risk because the wires are usually not ferrous and have a very short
does a temporary length that will not create much heating
epicardial pacing
wire pose?
29. What is the min- 1 cm foam pad (thick enough, not impacted by sweat)
imum type and
amount of padding
to reduce a proxim-
ity or loop burn?
30. In which zones will fixed: Zone 2. mobile: Zone 3
a patient change
for a fixed and mo-
bile MRI?
31. Who is allowed to Only level 2 MR personnel
bring a patient into
zone 4?
32. Who is allowed to Level 1 and 2 MR personnel
bring a patient into
zone 3?
33.
