Correct & 100% Verified Answers |Latest Version|
1. An RF pulse of whatAlready
flip angleGraded A+
will maximize
180
the com- ponent of the net magnetization
projected into the transverse plane?
2. T1 relaxation refers to relaxation Longitudinal
3. Which of the following statements is false? Echoes collected in the
a. T1 relaxation refers to the longitudinal transverse plane demon-
recovery magnetization while T2 relaxation strate only T2 relaxation
refers to the trans- verse decay of ditterences
magnetization
b. T1 relaxation and T2 relaxation occurs
simultane- ously
c. Echoes collected in the transverse plane
demon- strate only T2 relaxation
differences
d. T2 relaxation occurs much more quickly
than T1 relaxation . 0.5--21/42.57=0.49
4. 4.If the precessional frequency of the
protons' net magnetization is approximately 21
MHz , a tesla mag- netic field is being experi-
enced by the patient's pro- tons. the time it takes
longitudi- nal
5. 5. Which of the following is the definition of magnetization of pro-
T1 relax- ation? tons to grow to 63% of
its final amplitude
6. 6. Based on the graph of longitudinal relaxation shown Bown marrow
above, which of the following would have the
brightest signal intensity on a T1 weighted
image?
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, Fundamentals of MRI Exam Mic Module 1 With All
Correct & 100% Verified Answers |Latest Version|
Already Graded A+
7. Bone marrow
2/
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