Intro to Radiology

Which of the following is a disadvantage of open design MRI?

• • A) Vertical magnetic field

• • B) Low field strengths

• • C) Solenoid coils

• • D) Not artifact sensitive

Which of the following is a disadvantage of bore (closed design) MRI?

• • A) Good field homogeneity

• • B) Light weight

• • C) Not suitable for claustrophobic patients

• • D) Short scan times

In order to show the direction and force of a magnetic field in a simple way, we use:

• A) Scalars

• B) Tensors

• C) Matrices

• D) Vectors

Image contrast in MRI depends on intrinsic characteristics of the tissue and extrinsic factors controlled by the MRI machine.

• True

• False

Which of the following is NOT an MRI artifact?

• A) Susceptibility Effects

• B) Invisible Unicorn Effect

• C) Aliasing (Wraparound) Artifact

• D) Motion Artifact

Nuclear Medicine (NM) utilize radioactive materials for:

• A) Diagnostic applications

• B) Treatment applications

• C) Both diagnostic and treatment applications

• D) None of the above

Nuclear Medicine (NM) does NOT involve the use of radioactive material in medicine.

• True

• False

In Diagnostic studies of NM, the radiopharmaceuticals are supposed to trap mainly in the pathological tissue.

• True

• False

The image shows a collaboration of which two imaging modalities?

• A) CT and Nuclear Medicine (NM)

• B) X-ray and Nuclear Medicine (NM)

• C) X-ray and CT

• D) Microscope and Telescope

Which of the following is included in the imaging equipment for Nuclear Medicine (NM)?

• A) X-ray machine

• B) Gamma camera (Planar)

• C) Ultrasound transducer

• D) Active meter