Magnetic Resonance Imaging
LONG QUIZ
I. IDENTIFICATION
Directions: Identify the term being described from the statements below. Write you answers on the space provided before each item.
________________ 1. The fundamental property of any elementary particles related to their intrinsic angular momentum which generates tiny
magnetic field.
________________ 2. The surrounding environment to which protons interact energies after being disturbed by an RF Pulse
________________ 3. Imaging system that used Gradient system to pick up and excite a particular section of human body in three dimensions.
________________ 4. The first contrast media developed for MRI.
________________ 5. A type of magnet that is generated after a current flow through a coil of wire wrapped around a core made of ferromagnetic
material.
________________ 6. Unit of measurement used to express magnetic field.
________________ 7. The number of protons in a tissue volume that can be detected during an MRI scan.
________________ 8. The first MRI system built was called _____.
________________ 9. Protons and other elementary particles have a spin that is equal to __.
________________ 10. In what frequency Range does the MRI Radio Frequencies range?
II. MULTIPLE CHOICE
Directions: Read the following statements carefully. Choose the letter which corresponds to the correct answer to the question.
1. After being disturbed by RF pulse, Protons wobble around the magnetic field. This motion is called __?
A. Precission C. Preccession
B. Precession D. Pressecion
2. He developed Echo Planar Imaging (EPI), a method is used for functional MR neuroimaging today which provided imaging very fast.
A. Paul C. Lauterbur C. Felix Bloch
B. Edward Purcell D. Peter Mansfield
3. He continued extensive studies with the NMR of water, thereby laying the groundwork for later developments that led to MRI.
A. Paul C. Lauterbur C. Felix Bloch
B. Edward Purcell D. Peter Mansfield
4. Is the time it takes for protons to lose phase coherence in the transverse plane after the RF pulse is turned off.
A. Soin-Spin Relaxation Time C. Spin-Lattice Relaxation Time
B. T1 Relaxation Time D. Longitudinal Relaxation Time
5. Showed that malignant tissue has a different NMR spectrum from normal tissue while working with NMR spectroscopy.
A. Raymon Damadian C. Richard Ernst
