Concepts and Practice Questions
Bone Densitometry - correct answer ✔✔ measurement of bone density using dual-energy x-ray
Cardiovascular Interventional Technology - correct answer ✔✔ radiologic procedures for the
diagnosis and treatment of diseases of the cardiovascular system
Computed Tomography - correct answer ✔✔ recording of a predetermined plane in the body
using an x-ray beam that is measure, recorded, and then processed by a computer for display on
a monitor
Diagnostic Medical Sonography - correct answer ✔✔ visualization of deep structures of the
body by recording the reflections of pulses of ultrasonic waves directed into the tissue
Energy - correct answer ✔✔ the ability to do work
Ionization - correct answer ✔✔ any process by which a neutral atom gains or loses an electron,
thus acquiring a net charge
Magnetic Resonance Imaging - correct answer ✔✔ process of using a magnetic field and
radiofrequencies to create sectional images of the body
Mammography - correct answer ✔✔ radiography of the breast
Nuclear Medicine Technology - correct answer ✔✔ branch of radiology that involves the
introduction of radioactive substances into the body for both diagnostic and therapeutic
purposes
, Positron Emission Tomography - correct answer ✔✔ the creation of sectional images of the
body that demonstrate the psychologic function of various organs and systems
Radiation - correct answer ✔✔ energy transmitted by waves through space or matter
Radiation Therapy - correct answer ✔✔ branch of radiology involved in treatment of disease by
means of x-rays or radioactive substances
Radiography - correct answer ✔✔ making of records (radiographs) of internal structures o the
body by passing x-rays or gamma rays through the body to act on specially sensitized film or an
imaging plate or system
Radiologic Technologist - correct answer ✔✔ general term applied to an individual who
performs radiography, radiation therapy, or nuclear medicine technology
Radiologist - correct answer ✔✔ physician who specializes in the use of x-rays and other forms
of both ionizing and nonionizing radiation in the diagnosis and treatment of disease
Radiologist Assistant - correct answer ✔✔ an advanced-level radiographer who extends the
capacity of the radiologist in the diagnostic imaging environment, thereby enhancing patient
care
Radiology - correct answer ✔✔ branch of health sciences dealing with radioactive substances
and radiant energy ans with the diagnosis and treatment of disease by means of both ionizing
(ex: roentgen rays) and nonionizing (ex: ultrasound) radiation
Roentgen Ray - correct answer ✔✔ synonym for x-ray