The quantity of resonating spins in a tissue expressed as a percentage of the proton density of water is
A) spin density ( ) .
B) repetition time (TR) .
C) echo time (TE) .
D) inversion time (TI) .
Correct Answer:
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Q2: The time between a 180-degree pulse
Q3: When gradient coils are referred to, the
Q4: When gradient coils are referred to, the
Q5: The source of magnetic fields within the
Q6: The Larmor frequency is the _ frequency.
A)quantum
B)precessional
C)linear
D)all
Q7: The time between a 90-degree pulse
Q8: The time required after precessing spins
Q9: The time required for precessing spins
Q10: The rotation of the axis of rotation
Q11: The gyromagnetic ratio is the ratio of
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