Questions and Answers
What type of electromagnetic radiation is used in MRI to produce the imaging signals?
Radio waves
Which of the following is NOT a common MRI sequence?
X-ray sequence
What is the primary function of the strong magnetic field in MRI?
To align hydrogen nuclei
What is the term for the process of moving the MRI table during the examination?
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What is the effect of magnetic susceptibility on MRI images?
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Study Notes
MRI Fundamentals
- Radiofrequency (RF) electromagnetic radiation is used in MRI to produce the imaging signals.
MRI Sequences
- Steady-State Free Precession (SSFP) is a common MRI sequence; therefore, it is NOT the answer.
Magnetic Field
- The primary function of the strong magnetic field in MRI is to align the magnetic moments of hydrogen nuclei (protons) in the body.
MRI Examination
- The term for the process of moving the MRI table during the examination is "bolusing".
Magnetic Susceptibility
- Magnetic susceptibility causes distortions and artifacts on MRI images, particularly at interfaces between tissues with different magnetic properties.
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