When the RF pulse is applied and the protons absorb the energy, the result is the protons orient to:
A) a plane perpendicular to the main field.
B) a plane parallel to the main field.
C) different precessional frequencies.
D) their original state in the nucleus.
Correct Answer:
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Q11: The wobbling motion of the proton when
Q12: The absorption of RF energy is referred
Q13: Compared with CT image acquisition, MRI can
Q14: Spin lattice relaxation (T1) is the release
Q15: MRI depends on interactions with:
A) electrons.
B) the
Q16: The rates of relaxation (T1 and T2)
Q17: Hydrogen is used for imaging in MRI
Q18: A spin echo pulse sequence can provide
Q20: MRI has been useful for imaging many
Q21: MR spectroscopy is used to look at:
A)
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