Practice Set (9) - Safety / Biological Effects / Contrast Media

Thorough patient preparation should include which of the following

Proper patient screening should include which of the following

Complete medical history should include which of the following

Adequate patient education should include which of the following

Ancillary equipment that should be excluded from the magnetic room includes
which of the following

Ancillary equipment that should be included in an MRI department includes
which of the following

Which of the following ancillary staff should be trained in the safety procedures
of the MRI department?

Which of the following pieces of equipment should be used and or available
when sedating patients for an MRI examination

Which of the following patient injuries can be caused by improper placement
of cardiac leads

RF coils should be looped during scanning to improve signal to noise.

Which of the following is an important environmental consideration necessary
to maintain proper computer and gradient function

Which of the following objects should not be permitted past the 5 gauss line

Which of the following objects will be affected by a magnetic field of 10
gauss or higher

Metal implants within the body, depending on the location, can pose what type
of problems during the MRI exam

Hazards to patients and technologists due to ferromagnetic objects within the
scan room include which ofthe following

The force on a ferromagnetic object placed in a magnetic field is dependent
upon which of the following factors

Which of the following patients should be absolutely excluded from having an
MRI exam

Which of the following patients should be monitored with a pulse oximeter
during an MRI procedure

Which of the following hazards can occur due to an improperly ventilated
quench

The magnetic field that surrounds the Earth has what field strength

Biological effects associated with exposure to static magnetic fields below
2 tesla include which of the following

Biological effects associated with exposure to static magnetic fields above
2 tesla include which of the following

Possible biological effects associated with exposure to gradient magnetic
fields at levels higher than that used in MRI include which of the following

Biological effects associated with exposure to radio frequency include which
of the following

The rate at which a patient can safely dissipate excess heat caused by RF
energy is known as

Specific absorption rate is expressed in units of

Heating that is directly associated with the RF pulse sequence should not
increase the core body temperature greater than

Which of the following is a biological effect unique to echo planar imaging

Specific absorption rate is dependent upon which factor(s)

The recommended whole body SAR limit for MR imaging is

The recommended SAR limit for safely imaging the head is

The recommended SAR limit for safely imaging small volumes is

The effect of MRI contrast media on tissue relaxation rates is known as

Contrast agents presently used in MRI have what type of effect on tissue

The first material used by Felix Bloch to change magnetic relaxation times was
known as

The first use of a paramagnetic agent on a human subject was in what year

The first oral MRl contrast agent used in a human subject was known as

The first intravenous MRl contrast agent that was used on a human subject
was known as

Gadolinium has how many unpaired electrons in its outermost orbit

MRI contrast agents known as TI agents produce what type of contrast
on Tl weighted images

MRl contrast agents known as T2 agents produce what type of contrast
on T2 weighted images

MRI contrast agents known as T2 agents have what type of effect on tissue

Which ofthe following is a requirement for a chemical before it can be used as
an MRI contrast medium

The chemical compounds used to bind the metallic ion in MRI contrast agents
are known as

To minimize MRl contrast agent's toxicity, the agent should be

The amount of a drug required to cause death in half ofa sample of laboratory
mice is known as

Which of the following is the median lethal dose of Gadopentetate
dimeglumine

Contrast agents that stay electrically neutral in water and do not separate into
ions are said to be

Contrast agents that separate into charged ions in water are said to be

The diffusion of fluid thorough a semipermeable membrane such as the wall
of a living cell is known as

The osmolality of a contrast agent is measured in what unit

The effective clinical dosage of gadolinium is how many millimoles per
kilogram of body weight

Which of the following is a possible side effect of gadopentetate
dimeglumine

Gd DTPA, also known as Magnevist, is bound by which chelate

Gd DOTA, also known as Dotarem, is bound by what chelate

Gd DTPA-BMA, also known as Omniscan, is bound by what chel

Gadoteridol, also known as ProHance, is based on what type of molecular
structure

Gadopentetate dimeglumine, also known as Magnevist, is based on what type
of molecular structure

Gadodiamide, also known as Omniscan, is based on what type of molecular
structure

Gadoterate meglumine, also known as Dotarem, is based on what type of
molecular structure

Which of the following is a clinical indication for the use of MRI contrast
agents

Structures that are outside the blood brain barrier are said to be

The type of neoplasms in the head that enhance primarily due to their increase
in vascularity are known as

Which of the following is an example of an extra axial neoplasm

The type ofneoplasms in the head that enhance primarily due to the
breakdown of the blood brain barrier are known as

Which of the following is an example of an intra axial neoplasm

Which area outside the blood brain barrier shows normal enhancement with
the injection of gadolinium

Which ofthe following is an example of a non-neoplastic disease of the brain
that enhances with the injection of gadolinium

Neoplasms within the spinal cord are said to be located in which of the
following locations

Neoplasms outside the spinal cord but within the CSF space are said to be
located in which of the following locations

Neoplasms of the spine that are outside the spinal cord and outside the CSF
space are said to be located in which of the following locations

Which of the following pathologies of the spine is an indication for the use
of an MRl contrast agent

Which of the following is a contraindication for the use of gadolinium

Which of the following is a precaution for the use of gadolinium