Exam 20: Diagnostic and Therapeutic Modalities

During a sonographic procedure,gel is applied to the skin to prevent loss of signal between transducer and skin,which would result in poor image.

What is the breast classification of a 45-year-old woman with three or more pregnancies?

An existing vertebral fracture has been shown to double the risk of subsequent fracture.

Which of the following breast tissues is least dense?

Match each definition with the correct term.(Use each choice only once.) -Alteration in frequency or wavelength of sound waves reflected from moving structures or medium

Tissue heating,during an MRI procedure,is measured in _____ per kilogram.

BMD reporting in premenopausal females or males younger than 50 should be done in Z-scores rather than T-scores.

Which technique or method is most common for measuring bone density using a peripheral site such as the os calcis?

Which member of the radiation oncology team determines the treatment plan?

What CR angle (in relationship to the IR)is required for the mediolateral (true lateral)projection?

Compression of the breast will reduce geometric unsharpness of structures within the breast.

Which member of the radiation oncology team serves as a conduit for patient referrals to social services?

Cobalt-60-based units are used for intraoperative radiation therapy (IORT)procedures of the brain.

Where should the image receptor be placed for the craniocaudal projection?

MGD is an abbreviation for:

What is the average skin dose delivered to the breast during mammography?

PET and MRI data sets cannot be co-registered to create a hybrid image.

Match each definition with the correct term.(Use each choice only once.) -Anatomic structure that does not produce any echoes

During a brain seizure,the PET image will demonstrate a(n)____ in sugar utilization at the seizure site.

Nuclear medicine is often performed to diagnose esophageal reflux.