Cross sectional Procedures Pt.2

More hydrogen protons are aligned parallel to the main magnetic field in the _____ energy state:

Transverse magnetism is not:

The arrow in the image points to a

x-ray tubes used in advanced CT scanners can tolerat

what determines the amount of data displayed on the monitor?

A volume ellement is called:

In MRI, weak signals demonstrate as

Release of energy by excited nuclei to their general environment. One of the Major determinants of MRI strength.

The static magnetic field is abbreviated as:

Which of the following magnetic arrangements is listed correctly (from left to right) from weakest magnet to strongest

a relative comparison of x-ray attenuation of a voxel of tissue to an equal amount of water is a

Why are hydrogen protons used to create MR images? Choose all that apply.

The arrow in the image points to a

What is the second most imaged anatomy in the MRI department?

What are the types of permanent magnets? Choose all that apply

MRI is useful for imaging because of its ability to differentiate between white and gray matter

The speed of processional frequency of a patients hydrogen proton is: Choose all that apply

A moving magnetic field induces an electrical current in a wire.

which of the images below were aquired using CT soft tissue window?

CT is the examination of choice for

An image acquisition that divides the body into front and back halves is called______ projection :

One of the major determinant of MRI signal strength in hydrogen imaging

T1 and T2 relaxations times occur: CHoose all that apply

What is the arrow indicatating in this cross sectiona picture?

The arrow in the image indicates what condition?

Which part of the brain consists of the thalamus and hypothalamus?

Which of the following advantages does MR imaging have compared to other imaging modalities? Choose all that apply

What is often the first sign of small vessel occlusive disease?

Process of energy absorption by an object that is tuned to absorb energy of a specific frequency only

What cavities are identified by the arrows in the image?

This image is an example of

Which of these is not a contraindication for entering the MR suite?

Fusing MR images with positron tomography (PET) offers better ______ then PET infused with CT

WHo received the Nobel prize in 2003in Physiology or medicine for their magnetic resonance imaging research

In MRI, strong signals demonstrate

general environment of living tissue . The arrangement of atoms in a substance

Rotation of an object around the direction of force acting on the object

Science of analyzing the components of an electromagnetic wave usually after its interaction with some substance

reconstruction algorithm affects all of the image quality factors except?

Energy that excites protons in MRI comes from radiofrequency

Release of energy by excited nuclei as a result of interactions among themselves

When protons spin they: Choose all that apply

This image is an example of which MR post processing technique?

The direction parallel to B0 is: Choose all that apply

The arrow is pointing to a

which of the following can be selected at the operator's console?( Choose all that apply)

This image was aquired by using?

This Image dispalys what type of joint?

In normal anatomy, the conus medullaris descends to the level of ____.

What type of nonionizing radiation does MR use?

Net Magnetization is the : Choose all that apply

The arrows in this picture indicate what neurological condition?

Which of these is not a characteristic of a superconducting Magnet

Under Normal conditions, The MR magnetic field is always on

Cavernomas are clusters of abnormal, dilated vessels that appear similar to a:

Which of the following does not need to happen for resonance to occur?

The phonomime that causes protons to wobble when influenced by B0 is called:

Which of these images represents a fused CT/PET image?

Which of the following MR scanner types work well for large claustrophobic patients? Choose all that apply

Which of the following is true regarding T2 relaxation

number of times that a process repeats itself in a given period

The arrow in the image points to a

What is the appearance of muscle on a T2-weighted scan

which of the following quality factors is affected by x-ray beam energy?

Which unit of measurement is used to measure homogeneity?

The arrow on the image is pointing to a

The process of using voltage using magnetic fields is called? choose all that aplly

The arrow in this image is pointing to?

How does an Arnold-Chiari malformation affect the brain?

This image indicates which congenital pathology?

Preventing serious injury or death from strong magnetic field requires: Choose all that apply

Which of the following is a symptom of Dandy-Walker syndrome?