ARMRIT STUDY GUIDE QUESTIONS WITH VERIFIED
ANSWERS
In a spin echo pulse sequence, which of the following eliminates T2* effects by
reconstructing the transverse magnetization and producing the echo? -
ANSWER 180-degree RF pulse
In a spin echo pulse sequence, a 180-degree RF refocusing pulse produces a
signal echo and. - ANSWER Eliminates rephrasing due to magnetic field
inhomogeneities
In an inversion recovery pulse sequence, the initial excitation pulse compels the
longitudinal magnetization from the +Z direction to which of the following
directions? - ANSWER -Z
Which of the following parameters will impact T1 contrast in a GRE pulse
sequence? - ANSWER Flip angle
In a turbo(Turbo) spin echo pulse sequence, the initial slice excitation pulse is
followed by a series of which of the following? - ANSWER 180 radio
frequency induced echoes
Which of the following is not an advantage of superconducting magnets? -
ANSWER Quick turn-off capability
Superconducting magnet coils demonstrate what type of resistance when
running at or below critical temperature? - ANSWER Zero resistance
In a design of a permanent magnet, what is the most accurate description of the
direction of the main field?
- ANSWER Along the long axis of a body in the magnet.
ANSWERS
In a spin echo pulse sequence, which of the following eliminates T2* effects by
reconstructing the transverse magnetization and producing the echo? -
ANSWER 180-degree RF pulse
In a spin echo pulse sequence, a 180-degree RF refocusing pulse produces a
signal echo and. - ANSWER Eliminates rephrasing due to magnetic field
inhomogeneities
In an inversion recovery pulse sequence, the initial excitation pulse compels the
longitudinal magnetization from the +Z direction to which of the following
directions? - ANSWER -Z
Which of the following parameters will impact T1 contrast in a GRE pulse
sequence? - ANSWER Flip angle
In a turbo(Turbo) spin echo pulse sequence, the initial slice excitation pulse is
followed by a series of which of the following? - ANSWER 180 radio
frequency induced echoes
Which of the following is not an advantage of superconducting magnets? -
ANSWER Quick turn-off capability
Superconducting magnet coils demonstrate what type of resistance when
running at or below critical temperature? - ANSWER Zero resistance
In a design of a permanent magnet, what is the most accurate description of the
direction of the main field?
- ANSWER Along the long axis of a body in the magnet.
