ARMRIT Practice Test (MRI Technologist Quick Reference and Study Guide ARMRIT) with Complete Solutions.

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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance 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 transverse component of the net magnetization vector to decrease what percentage of its maximum value after the application of a 90 degree radio frequency pulse: - ANSWER-37% Which cryogenic material can produce temperature as low as 4 degrees Kelvin? - ANSWER-Liquid Helium The T1 process is also known as - ANSWER-Spin-Lattice a 90 degree radio-frequency pulse will alter the net magnetization vector. Another effect is: - ANSWER-The hydrogen protons will have phase coherence. Which type of MRI magnet requires no electricity to maintain its magnetic field and can weigh from 18,000 lb. to 200,000 lb.? - ANSWER-Permanent To describe the uniformity of the MRI system's main magnetic field, the term employed is - ANSWER-Homogeneity The purpose of magnetic resonance angiography is to image the - ANSWER-Blood Flow Magnetic Resonance Imaging is derived from the process known as: - ANSWER-Nuclear Magnetic resonance V