Exam 20: Diagnostic and Therapeutic Modalities

Which of the following imaging modalities can best distinguish between a solid mass and a cyst in the breast?

Where should the marker and patient identification be in regard to the anatomy?

MRI uses a low-energy form of ionizing radiation.

Pregnancy is considered an absolute contraindication for an MRI procedure.

The glandular tissue of the breast is divided into 15 to 20:

What is the chief disadvantage of using MRI as a breast screening tool?

On a T1-weighted image, fat appears as a ____ signal.

Which other region of the body can be scanned if the patient has spine or hip artifacts (i.e., advanced arthritis)?

Which of the following definitions would apply to the ACR abbreviation SIO?

The location of origin of the MR signal within the patient is determined by:

Which of the following projections best demonstrates the axillary tissue of the breast and a portion of the pectoral muscle?

The most common type of breast cancer is:

Cobalt 60 units emit gamma rays at an average energy of ____ MeV.

In which quadrant of the left breast would the 7 o'clock position be located?

Each gradient coil is an electromagnet.

Five to ten pounds of compression of the breast is typically used during mammography.

MRI can produce axial, sagittal, and coronal perspectives of the anatomy.

Glucose metabolism in the brain naturally increases as an individual grows older.

Which PET perfusion tracer is given to determine whether certain areas of the heart are receiving sufficient blood flow (perfusion)?

Functional MRI is being used to screen patients for neoplasms in the spine.