ARMRIT EXAM PREP 2026 TEST PAPER
QUESTIONS AND SOLUTIONS GRADED A+
⩥ Of the following techniques which one is applied to prevent
"crosstalk" between multi-slices with little or no interslice "gap"
Answer: Interleaving
⩥ The artifact known as aliasing, wrap around or fold over will always
show up in what gradient direction? Answer: Phase encoding
⩥ Which of the following causes of artifacts on MR images is most
commonly mistaken for a pathological signal? Answer: Chemical shift
⩥ Substances which have magnetic properties of their own, such as,
methemoglobin or gadolinium causes shortened T1 and T2 values for
tissues in their vicinity are: Answer: Paramagnetic
⩥ Currently, there is no evidence of a threat to fetal development from
MRI exposure. Answer: True
⩥ The formula that describes the relationship between the static
magnetic field and the precessional frequency of the hydrogen protons is
the _____ Answer: Larmor equation
,⩥ Employing an inversion recovery pulse sequence with a water
suppression technique a normal intervertebral disc will appear dark
Answer: True
⩥ Of the following anatomical structure which is considered to be
normally enhancing post gad injection? Answer: Choroids plexus
⩥ Aliasing occurs due to tissue outside of the selected field of view
(FOV) being : Answer: Undersampled
⩥ The normal pituitary gland should appear bright following injection of
a gadolinium enhancement agent Answer: True
⩥ In conventional spin-echo imaging, each line of K-space is filled in
each Answer: TR period
⩥ As the M vector returns to equilibrium, the MR signal grows weaker,
this is called: Answer: Free induction Decay
⩥ Gad enhancement agents will readily pass through the normal blood
brain barrier Answer: False
⩥ The temperature of the liquid helium in which the electromagnetic
coil is immersed is approx: Answer: -436 degrees F
, ⩥ RF pulses are identified according to the _________ Answer: Flip
angle
⩥ MRI magnets that require cryogens to cool a substance to
approximately 4 degrees Kelvin are: Answer: Superconducting
⩥ ___ is the uniformity of the static magnetic field, expressed in terms
of PPM (Parts per million) over a defined volume. Answer:
Homogeniety
⩥ In contrast to B0, B sub zero the Bsub one RF field is Answer:
Rapidly rotating and always perpendicular to B sub zero
⩥ The tissue property, in MRI, that is closely related to tissue state
(solid, liquid) than any other tissue feature is: Answer: T1 effects
⩥ Maximum exposure to gradient magnetic fields are set at a rate of:
Answer: 6T/second
⩥ The gradient that is turned on to sample the echo signal is: Answer:
Phase encoding
QUESTIONS AND SOLUTIONS GRADED A+
⩥ Of the following techniques which one is applied to prevent
"crosstalk" between multi-slices with little or no interslice "gap"
Answer: Interleaving
⩥ The artifact known as aliasing, wrap around or fold over will always
show up in what gradient direction? Answer: Phase encoding
⩥ Which of the following causes of artifacts on MR images is most
commonly mistaken for a pathological signal? Answer: Chemical shift
⩥ Substances which have magnetic properties of their own, such as,
methemoglobin or gadolinium causes shortened T1 and T2 values for
tissues in their vicinity are: Answer: Paramagnetic
⩥ Currently, there is no evidence of a threat to fetal development from
MRI exposure. Answer: True
⩥ The formula that describes the relationship between the static
magnetic field and the precessional frequency of the hydrogen protons is
the _____ Answer: Larmor equation
,⩥ Employing an inversion recovery pulse sequence with a water
suppression technique a normal intervertebral disc will appear dark
Answer: True
⩥ Of the following anatomical structure which is considered to be
normally enhancing post gad injection? Answer: Choroids plexus
⩥ Aliasing occurs due to tissue outside of the selected field of view
(FOV) being : Answer: Undersampled
⩥ The normal pituitary gland should appear bright following injection of
a gadolinium enhancement agent Answer: True
⩥ In conventional spin-echo imaging, each line of K-space is filled in
each Answer: TR period
⩥ As the M vector returns to equilibrium, the MR signal grows weaker,
this is called: Answer: Free induction Decay
⩥ Gad enhancement agents will readily pass through the normal blood
brain barrier Answer: False
⩥ The temperature of the liquid helium in which the electromagnetic
coil is immersed is approx: Answer: -436 degrees F
, ⩥ RF pulses are identified according to the _________ Answer: Flip
angle
⩥ MRI magnets that require cryogens to cool a substance to
approximately 4 degrees Kelvin are: Answer: Superconducting
⩥ ___ is the uniformity of the static magnetic field, expressed in terms
of PPM (Parts per million) over a defined volume. Answer:
Homogeniety
⩥ In contrast to B0, B sub zero the Bsub one RF field is Answer:
Rapidly rotating and always perpendicular to B sub zero
⩥ The tissue property, in MRI, that is closely related to tissue state
(solid, liquid) than any other tissue feature is: Answer: T1 effects
⩥ Maximum exposure to gradient magnetic fields are set at a rate of:
Answer: 6T/second
⩥ The gradient that is turned on to sample the echo signal is: Answer:
Phase encoding
