LOM chapter 20 multiple choice quiz
Which of the following is true of a radiopaque substance?
Absorbs most of the x-rays it is exposed to
Interventional radiologists perform all of the follow except
Administration of radiation therapy
Which is an x-ray of a joint?
Arthrogram
What can liver and spleen scans detect?
Cirrhosis and splenomegaly due to abscess or tumor
What is an in vivo test?..
Experiments are performed in a living organism
X-ray of the renal pelvis and urinary tract after injecting dye into a vein:
IVP
Which best describes a barium enema?
Metallic powder is introduced to the large intestine and x-rays are taken
What is the meaning of adduction?
Moving the part of the body toward the midline of the body
What is the medical specialty that studies the characteristics and uses of radioactive substances in diagnosis of disease?
Nuclear medicine
In which x-ray view is the patient upright with the back to the x-ray machine and the film to the chest ?
PA view
In which test is a radiopharmaceutical injected intravenously and traced within the vessels of the lung?
Perfusion study of the lung
DICOM is a
Protocol for transmission between imaging devices
What is a substance that gives off high-energy particles or rays?
Radioisotope
What is thallium-201?
Radionuclide
FDG is a..
Radiopharmaceutical used in a PET scan
What best characterizes an MRI?...
Sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves
What does a radiologist do?...
Specializes diagnostic techniques such as ultrasound, MRI and CT scans
PACS is a
System to replace traditional films with digital equivalents
SPECT is a....
Technique using a radioactive substance and a computer to create three- dimensional images
Which term describes an x-ray test to show an organ in depth?
Tomography
In which procedure is a transducer used?
Ultrasound
What best characterizes a CT scan?
Uses ionizing x-rays and a computer to produce a transverse image of the body organs
Myelogram:
X-ray of the spinal cord
