Exam 20: Diagnostic and Therapeutic Modalities

Which of the following occupational workers must have conventional radiographic images of the orbits taken before an MRI head scan?

Computer-aided detection uses a computerized detection ____ to analyze various suspicious breast lesions.

Alendronate (Fosamax)is an example of a(n):

The most common projections performed as routine projections throughout the United States and Canada are:

All high-density or thick structures appear light on MR images.

The average male breast is classified as being:

The rate of precession decreases as the strength of the magnetic field increases.

Technetium 99-m has a physical half-life of approximately:

A patient with a spine T-score of less than or equal to -2.5 (but no fractures)is classified according to the World Health Organization as:

The most common type of breast cancer is:

Nuclear medicine can provide a functional study of the brain.

The anode-heel effect is less evident in mammography systems because of the anode configuration of the x-ray tube.

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

What kV range should be used for analog (film-screen)mammography?

Computer-aided detection (CAD)is reported to improve cancer detection rates by:

Osteoclasts are the cells responsible for the building of new bone or bone repair.

Which type of ultrasound unit is used to examine the structure and behavior of flowing blood?

What is the product of a positron and electron combining then undergoing annihilation during the PET imaging process?

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

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