Magnetization vector - Study guides, Class notes & Summaries

Magnetism can be defined as the ability of certain substances to attract: - ANSWER-Iron, Cobalt, Nickel The components of the Gyro-magnetic ratio are: - ANSWER-Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWER-Gradient coils Which type of MRI magnet requires cryogen to cool magnetic coils to 4 degrees Kelvin? - ANSWER-Superconductive T2 is the measurement of time for the tr...

The tissue characteristic that depends heavily on the relative content of fat molecules and free water is: - Answer Hydrogen concentration. T1 is the measurement of time for the longitudinal component of the net magnetization vector to recover what percentage of its original value after the application of a 90 degree radio-frequency pulse? - Answer 63% Immediately after an initial 90 degree radio-frequency pulse is turned off, the hydrogen protons will begin to: - Answer Dephase A 90 de...

practice test 1 armrit questions and answers different tissues that have signals that appear similar on a mr image are described as: - Ans ️️ - 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: - Ans ️️ -Prescession Magnetic resonance imaging is derived from the process known as: - Ans ️️ -Nuclear magnetic resonance Once the net magnetization vector...

ARMRIT Practice test| 30 QMagnetism can be defined as the ability of certain substances to attract: - ANSWER Iron, Cobalt, Nickel The components of the Gyro-magnetic ratio are: - ANSWER Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWER Gradient coils Which type of MRI magnet requires cryogen to cool magnetic coils to 4 degrees Kelvin? - ANSWER Superconductive T2 is the meas...

different tissues that have signals that appear similar on a mr image are described as: - 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: - Answer Prescession Magnetic resonance imaging is derived from the process known as: - Answer Nuclear magnetic resonance Once the net magnetization vector (nmv) has moved away from equilibrium, the following wi...

The components of the Gyro-magnetic ratio are: - ANSWER-Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWER-Gradient coils Which type of MRI magnet requires cryogen to cool magnetic coils to 4 degrees Kelvin? - ANSWER-Superconductive T2 is the measurement of time for the transverse component of the net magnetization vector to decrease what percentage of its maximum value after t...

The component Mxy is most associated with: - ANSWERTransverse to Bo; T2 relaxation; Transverse magnetization The resonance frequency of any substance in a magnetic field can be calculated by employing the: - ANSWERLarmor equation Once the patient's area of interest is placed in the main magnetic field of the MRI system, the hydrogen protons will: - ANSWERPrecess parallel to Bo The longitudinal component of the NMV is designated: - ANSWERMz Which type of MRI magnet requires no electr...

The T1 process is also known as: - ANSWERSpin Lattice Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - ANSWERGradient coils The component Mxy is most associated with: - ANSWERTransverse to Bo; T2 relaxation; Transverse magnetization The resonance frequency of any substance in a magnetic field can be calculated by employing the: - ANSWERLarmor equation Once the patient's area of interest is placed in the main magne...

ATOMS - Answer 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 - Answer 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 NUCL...

Magnetism can be defined as the ability of certain substances to attract: - Answer Iron, Cobalt, Nickel The components of the Gyro-magnetic ratio are: - Answer Magnetic moment to angular momentum Which type of electromagnetic coils produce smaller magnetic field which allow spatial localization to be performed? - Answer Gradient coils Which type of MRI magnet requires cryogen to cool magnetic coils to 4 degrees Kelvin? - Answer Superconductive T2 is the measurement of time for the tr...