Which of the following structures is indicated by the arrow?

In order to be classified as a vector, an object must possess a ___ and a ___.

The primary advantage of a phase-array coil is that it provides the coverage of an individual larger coil and which of the following characteristics of an individual smaller coil?

Which of the following is indicated by the arrow?

In MRI, Specific Absorption Rate (SAR) is calculated using one of the following units of measurement?

___ corresponds to the area within the scanner that gets excited and protons in this volume get flipped into the transverse plane. This happens during the simultaneous application of an RF excitation pulse at the Larmor frequency of an applied gradient.

Manufacturer labeling for implants/devices is only published once and is never updated

When increasing the TE, the following will also increase:

Conductive copper windings that alter the main magnetic field along a strict coordinate are known as which of the following?

Which of the following structures is presented inside the circle?

Which of the following structures is indicate by the arrow?

Which of the following structures is indicated by the arrow?

In the MRI environment, which of the following provides the greatest risk of spreading infectious disease?

Which of the following is indicated by the arrow?

Which of the following types of chemical shift imaging is based on the precessional frequencies of each metabolite?

If we are acquiring a coronal slice and the phase encoding gradient is positioned right to left, which gradient is performing frequency encoding?

What refers to the overall torque or turning of an object that is exposed to magnetic lines of flux?

The regaining of longitudinal magnetization due to excited protons giving up their energy to the surrounding environment refers to:

____ is the time between the RF excitation pulse and the recording of the MRI signal.

Per the American college radiology, a pregnant patient may safely undergo an MRI at what stage of gestation?

During which sequence will a patient have the greatest chance of experiencing burns if all factors remain the same?

How does increasing the number of frequency encoding steps affect SNR?

Per the FDA, peripheral nerve stimulation is categorized as what type of concern?

Which of the following is indicated by the arrow?

Increasing receive bandwidth will have what effect on signal-to-noise?

Which of the following is presented inside the circle in this thoracic image?

What is the role of the Magnetic Resonance Licensed MD (Reading physician, Radiologist) on duty in regard to making decisions on questionable implants?

If we are acquiring a coronal slice and the frequency encoding gradient is positioned right to left, which gradient is performing phase encoding?

Before administering an IV gadolinium contrast medium, it is necessary to confirm that a patient

If the transmit bandwidth is held constant and the slope of the slice select gradient is increased the resultant slice thickness will be ____.

To acquire an axial or transverse slice the ___ gradient is used for slice selection.

Anaphylaxis refers to which of the following conditions?

What legal term is defined as “The duty to fulfill one’s commitments and applies to keeping promises both stated and implied”?

In an emergency, who is responsible for deciding who enters the magnet room?

Which of the following imaging applications requires knowledge of temporal resolution

The parameter that is described as the size of the area covered within an image is

Due to the translation forces in the main magnetic field, the projectile effect is witnessed in which of the following areas?

The complete elimination of all pathogens and microorganisms is referred to as one of the following terms?

As the strength of B0 increases which of the following will also increase?

Effective TE is associated with what kind of pulse sequence?

Which of the following structures is indicated by the arrow?

The capitate is highlighted in this image by which region of interest (ROÍ)?

Which part of the hip is presented inside the circle?

Which of the following is indicated by the arrow?

A phased-array surface coil is a receiver system that utilizes several individual coils, which are connected directly to a dedicate

To visualize different anatomical structures we need to spatially encode the MRI signal by varying the magnetic field in certain locations causing different precessional frequencies at different positions.

Which of the following structures is presented inside the circle?

Which of the following is represented inside the circle?

The pons is indicated by the letter ___.

Which of the following is presented inside the circle?

Cross Talk Artifacts are corrected by:

Which of the following arteries is indicated by the arrow?

This image technique is primarily used to measure the metabolites contained within a volume of interest for the purposes of tumor classification:

Examples of motion correction imaging techniques are:

Which of the following approaches best improves the signal-to-noise ratio (SNR)?

This image is an example of what type of contrast or weighting?

Image construction in MRI is accomplished through which of the following mathematical processes?

Which of the following is indicated by the arrow?

Increasing the NEX/NSA yields which of the following effects

If cables or wires cannot be removed from the MR scanner during imaging, it is important to:

Which of the following is indicated by the arrow?

____ is the measure of the induced voltage in the receiver coil that is coming from the excited protons within the volume of interest compared to any other information or inefficiency in the system that will degrade the purity of the recorded signal.

What is the greatest risk associated with an uncontrolled magnet quench?

Which part of the knee is indicated by the arrows?

In the United States, Fringe fields are measured in:

Which of the following parts of a wrist is presented inside the circle?

In a spin echo pulse sequence 180 degrees RF refocusing pulse produces a signal echo and

Which of the following causes thermal injuries in an MRI suit?

__ controls the amount of T2 weighted in an image.

At a minimum, during the exam, patient monitoring includes which of the following?

Materials with which of the following components have the highest degree of magnetic susceptibility

To assist patients in dissipating RF heating, it is important to:

Effective TE is described as:

Which of the following structures is indicated by the arrow?

The parameter that is described as the time between echoes in a FSE pulse sequence is

Which of the following is represented inside the circle?

MRI active nuclei have what properties?

Which of the following is indicated by the arrow?

Which anatomical structure within the head is highlighted here?

Which of the following structures is indicated by the arrow?

To increase the contrast in an MRI image based on different tissue T1 and T2 times, the technologist can change what parameters?

Which of the following is presented by the arrow?

Which of the following parameters would NOT increase SNR?

To acquire a sagital slice the ___ gradient is used for slice selection.

which of the following is indicated by the arrow?

In a fast (turbo) spin-echo pulse sequence, the initial pulse is followed by a series of which of the following?

An increase in which of the following does NOT increase specific absorption rate in a pulse sequence?

A patient develops hives after gadolinium contrast administration. Which of the following medications should the radiologist use to treat this reaction?

K-Space:

The __ gradient is used to fill information within k-space in the verticals axis (top-bottom).

The gradient magnetic field is responsible for spatial encoding, and the use of _ is needed to acquire images with a small FOV, thin slice thickness, and high resolution (fine matrix).

This technique can be described as additional phase encoding lines acquired to eliminate wrap-around artifacts:

Zone ___ refers to the area that has direct exposure to a magnetic field. An example would be the MRI scan room.

This is a constant value that states the precessional frequency for hydrogen at T1:

The algorithm use to sort k-space based on amplitude and frequency into an MRI image of pixels is:

The redirection perpendicular to the main magnetic field is designated as which direction?

The application of an RF pulse, causing resonance to occur, is known as which of the following?

Gradients are measured in:

To increase spatial resolution without affecting scan time, an MRI technologist can do which of the following?

Which of the following is NOT considered to be a short-term effect caused by gadolinium contrast injections?