RAD Exam1 Questions and Correct
Answers
Bone Densitometry (BD) - Answer-Measurement of bone density using dual-energy x-ray
absorptiometry (DEXA or DXA) to detect osteoporosis
Cardiovascular Interventional Technology (CVIT) - Answer-Radiologic procedures for the diagnosis and
treatment of diseases of the cardiovascular system
Computed Tomography (CT) - Answer-recording of a predetermined plane in the body using an x-ray
beam that is measured, recorded, and then processed by a computer for display on a monitor
Diagnostic Medical Sonography - Answer-visualization of deep structures of the body by recording the
reflections of pulses of ultrasonic waves directed into the tissue
Energy - Answer-Capacity to operate or work
Ionization - Answer-any process by which a neutral atom gains or loses an electron, thus acquiring a net
charge
magnetic resonance imaging (MRI) - Answer-process of using a magnetic field and radiofrequencies to
create sectional images of the body
, Mammography - Answer-Radiography of the breast
Nuclear Medicine Technology - Answer-branch of radiology that involves the introduction of radioactive
substances into the body for both diagnostic and therapeutic purposes
Positron Emission Tomography (PET) - Answer-The creation of sectional images of the body that
demonstrate the physiologic function of various organs and systems
Radiation - Answer-Energy transmitted by waves through space or through a medium
Radiation Therapy - Answer-Branch of radiology involved in the treatment of disease by means of x-rays
or radioactive substances
Radiography - Answer-Making of records (radiographs) of internal structures of 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 (RT) - Answer-General term applied to an individual who preforms radiography,
radiation therapy, or nuclear medicine technology
Radiologist - 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 (RA) - Answer-An advance- level radiographer who extends the capacity of the
radiologist in the diagnostic imaging environment, thereby enhancing patient care
Radiology - Answer-branch of the health sciences dealing with radioactive substances and radiant
energy and with the diagnosis and treatment of disease by means of both ionizing (e.g., roentgen rays)
and nonionizing (e.g., ultrasound) radiation
Answers
Bone Densitometry (BD) - Answer-Measurement of bone density using dual-energy x-ray
absorptiometry (DEXA or DXA) to detect osteoporosis
Cardiovascular Interventional Technology (CVIT) - Answer-Radiologic procedures for the diagnosis and
treatment of diseases of the cardiovascular system
Computed Tomography (CT) - Answer-recording of a predetermined plane in the body using an x-ray
beam that is measured, recorded, and then processed by a computer for display on a monitor
Diagnostic Medical Sonography - Answer-visualization of deep structures of the body by recording the
reflections of pulses of ultrasonic waves directed into the tissue
Energy - Answer-Capacity to operate or work
Ionization - Answer-any process by which a neutral atom gains or loses an electron, thus acquiring a net
charge
magnetic resonance imaging (MRI) - Answer-process of using a magnetic field and radiofrequencies to
create sectional images of the body
, Mammography - Answer-Radiography of the breast
Nuclear Medicine Technology - Answer-branch of radiology that involves the introduction of radioactive
substances into the body for both diagnostic and therapeutic purposes
Positron Emission Tomography (PET) - Answer-The creation of sectional images of the body that
demonstrate the physiologic function of various organs and systems
Radiation - Answer-Energy transmitted by waves through space or through a medium
Radiation Therapy - Answer-Branch of radiology involved in the treatment of disease by means of x-rays
or radioactive substances
Radiography - Answer-Making of records (radiographs) of internal structures of 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 (RT) - Answer-General term applied to an individual who preforms radiography,
radiation therapy, or nuclear medicine technology
Radiologist - 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 (RA) - Answer-An advance- level radiographer who extends the capacity of the
radiologist in the diagnostic imaging environment, thereby enhancing patient care
Radiology - Answer-branch of the health sciences dealing with radioactive substances and radiant
energy and with the diagnosis and treatment of disease by means of both ionizing (e.g., roentgen rays)
and nonionizing (e.g., ultrasound) radiation
