Spinning protons - Study guides, Class notes & Summaries
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ARMRIT Exam Questions With Verified Answers
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Different tissues that have signals that appear similar on an MR image are described as: 
A) hypointense 
B) hyperintense 
C) isointense 
D) isodense - Answer isointense 
 
in a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called 
A) precession 
B) resonance 
C) frequency 
D) angular momentum - Answer precession 
 
magnetic resonance imaging is derived from the process known as: 
A) ma...
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025 | Graded.
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025 | Graded. The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their ...
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025 (GRADED)
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025 (GRADED)Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - 
Randomly 
Following the injection of a gadolinium enhancement agent, the pulse sequence most commonly...
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MRI-ARRT study guide Questions with 100% Correct Answers | Updated & Verified | 2024
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The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - 
Ra...
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025.
- Exam (elaborations) • 51 pages • 2024
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ARMRIT Exam Questions With 100% Correct Answers | Updated & Verified 2024/2025. The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural e...
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ARRT review - MRI registry review program questions and answers
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An RF pulse of what flip angle will maximize the component of the net magnetization projected into the transverse plane? 
 
a. 180 
b. 120 
c. 90 
d. 45 
c. 
 
 
 
T1 relaxation refers to ____ relaxation. 
 
a. spin-spin 
b. longitudinal 
c. phase 
d. transverse 
b. 
 
 
 
Which of the following statements is false? 
 
a. T1 relaxation refers to longitudinal recovery of magnetization while T2 relaxation refers to the transverse decay of magnetization 
b. T1 relaxation and T2 relaxation occur sim...
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ARMRIT STUDY GUIDE PACKET WITH COMPLETE SOLUTIONS
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RMRIT STUDY GUIDE PACKET WITH 
COMPLETE SOLUTIONS 
ATOMS - Ans ️️ -FUNDAMENTAL SUBMICROSCOPIC UNIT OF ALL MASS. SIZE OF 
THE ATOM AND ITS WEIGHT HAVE INTERESTED SCIENTISTS FOR A LONG PERIOD. 
SUBSEQUENTLY, EXPERIMENTS WERE DEVISED TO DETERMINE THE SIZE AND 
WEIGHT OF THE VARIOUS ATOMS. THE LIGHTEST OF ALL ATOMS IS HYDROGEN. 
PROTON - Ans ️️ -A SUBATOMIC PARTICLE HAVING A POSITVIE CHARGE 
IDENTICAL IN MAGNITUDE TO THE NEGATIVE CHARGE OF AN ELECTRON AND, 
TOGETHER WITH THE NEUTRON, A COMPO...
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ARMRIT STUDY GUIDE PACKET QUESTIONS WITH 100% CORRECT ANSWERS!!
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RADIOFREQUENCY (RF) - ELECTROMAGNETIC RADIATION LOWER IN ENERGY THAN INFRARED. THE 
RF USED IN MRI IS IN THE FORM OF A BURST OF RF ENERGY (PULSE) I THE 10 MHZ TO 100MHZ RANGE 
RF PULS, DELIVERED TO THE PATIENT BY RF TRANSMITTER. THE RF FREQUENCY, AT THE LARMOR 
FREQUENCY, RESULTS IN ROTATION OF THE NET MAGNETIZATION VECTRO AND PHASE COHERENCE OF 
THE NUCLEAR SPINS. AN RF COIL IS USED FOR TRANSMITTING AND RECEIVING MRI SIGNALS (RF). 
FRINGE FIELDS - WEAKER MAGNETIC FIELDS THAT ARE AWAY FROM THE I...
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ARMRIT Exam Questions With 100% Correct Answers, Latest Updated & Verified 2024/2025
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The NMV is rotated to the physical negative Z axis by applying a...? - C)180 pulse 
Increasing which parameter is considered the "best" technique for improving image quality? - C)NEX 
Studies have concluded that static magnetic fields up to what tesla produce no substantial harmful 
biological effects. - C)2.0 
Tissues that have low (short) relaxation times have: - Higher relaxation rates 
Nuclei in their natural enviroment ( in the absence of a significant magnetic field) are aligned... - 
Ra...
-
ARMRIT STUDY GUIDE PACKET GRADED A+
- Exam (elaborations) • 21 pages • 2024
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ATOMS - FUNDAMENTAL SUBMICROSCOPIC UNIT OF ALL MASS. SIZE OF THE ATOM AND ITS 
WEIGHT HAVE INTERESTED SCIENTISTS FOR A LONG PERIOD. SUBSEQUENTLY, EXPERIMENTS WERE 
DEVISED TO DETERMINE THE SIZE AND WEIGHT OF THE VARIOUS ATOMS. THE LIGHTEST OF ALL 
ATOMS IS HYDROGEN. 
PROTON - A SUBATOMIC PARTICLE HAVING A POSITVIE CHARGE IDENTICAL IN MAGNITUDE TO 
THE NEGATIVE CHARGE OF AN ELECTRON AND, TOGETHER WITH THE NEUTRON, A COMPONENT OF 
ALL ATOMIC NUCLEI. THE PROTON FORMS, BY ITSLEF, THE NUCLEUS OF THE ...
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