MRI Module 3 Questions And Answers 100%
Correct
T or F: The transmitter RF frequency must match the precessional frequency of hydrogen which
occurs at a range of 10(1)-10(5) on the electromagnetic spectrum False because it is
10(5)-10(9)
In a spin-echo pulse sequence, a signal ___ after the initial excitation pulse. decays
rapidly
Oversampling results in ___ long scan times
Which of the following is a receive-only coil surface
A linear polarized coil is used for imaging: specific, irregular shaped body parts
Which of the following statements is true regarding a phased-array coil: up to 4 coils can
be grouped together in one phased array coil
Placing 2 coils parallel to one another is known as the ___ coil Helmholtz
The ___ expresses the relationship between the angular momentum and the magnetic moment of
the excited nuclei at 1.0T. the gyromagnetic ratio
Correct
T or F: The transmitter RF frequency must match the precessional frequency of hydrogen which
occurs at a range of 10(1)-10(5) on the electromagnetic spectrum False because it is
10(5)-10(9)
In a spin-echo pulse sequence, a signal ___ after the initial excitation pulse. decays
rapidly
Oversampling results in ___ long scan times
Which of the following is a receive-only coil surface
A linear polarized coil is used for imaging: specific, irregular shaped body parts
Which of the following statements is true regarding a phased-array coil: up to 4 coils can
be grouped together in one phased array coil
Placing 2 coils parallel to one another is known as the ___ coil Helmholtz
The ___ expresses the relationship between the angular momentum and the magnetic moment of
the excited nuclei at 1.0T. the gyromagnetic ratio
