|
What is the medical specialty that studies the characteristics and uses of radioactive substances in diagnosis of disease? |
nuclear medicine |
|
What does a radiologist do? |
specializes diagnostic techniques such as ultrasound, MRI and CT scans |
|
Which of the following is true of a radiopaque substance? |
absorbs most of the x-rays it is exposed to |
|
Which best describes a barium enema? |
metallic powder is introduced to the large intestine and x-rays are taken |
|
IVP |
x-ray of the renal pelvis and urinary tract after injecting dye into a vein |
|
Myelogram |
x-ray of the spinal cord |
|
Which is an x-ray of a joint? |
arthrogram |
|
Which term describes an x-ray test to show an organ in depth? |
tomography |
|
What best characterizes a CT scan? |
uses ionizing x-rays and a computer to produce transverse and other images of body organs |
|
What best describes characterizes an MRI? |
saggital, frontal, and cross-sectional images are produced using magnetic and radio waves |
|
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 |
|
What is the meaning of adduction? |
moving the part of the body toward the midline of the body |
|
What is a substance that gives off high-energy particles or rays? |
radioisotope |
|
In which test is a radiopharmaceutical injected intravenously and traced within the vessels of the lung? |
perfusion study of the lung |
|
What is a vivo test? |
experiments are performed in a living organism |
|
What can liver and spleen scans detect? |
cirrhosis and splenomegaly due to abscess or tumor |
|
Interventional radiologist perform all of the following except.. |
administration of radiation therapy |
|
What is Thallium-201 |
radionuclide |
|
In which procedure is a transducer used? |
ultrasound |
|
PACS is a? |
system to replace traditional films with digital equivalents |
|
FDG is a? |
radiopharmaceutical used in a PET scan |
|
DICOM is a? |
protocol for transmission between imaging devices |
|
SPECT is a? |
technique using a radioactive substance and a computer to create three-dimensional images |
|
Half-Time |
time required for a radioactive substance to lose half its radioactivity by disintegration |
|
Gamma Rays |
high-energy rays emitted by radioactive substances |
|
Interventional Radiology |
therapeutic procedures performed by a radiologist |
|
Ionization |
transformation of electrically neutral substances into electrically charged particles |
|
Computed Tomography ( CT ) |
diagnostic x-ray procedure whereby a cross-sectional and other images of a specific body segment are produced |
|
Contrast Studies |
Materials are injected to obtain contrast with surrounding tissue when shown on x-ray film |
|
Gamma Camera |
machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes |
|
Radiolucent |
permitting the passage of x-rays |
|
In Vivo |
process, test, or procedure performed, measured, or observed in a living organism |
|
Positron Emission Tomography ( PET ) |
radioactive substance is given intravenously and a cross-sectional image is created of cellular metabolism based on local concentration of the radioactive substance |
|
In Vitro |
process, test, or procedure performed, measured, or observed outside a living organism |
|
Nuclear Medicine |
medical specialty that studies the uses of radioactive substances in diagnosis of disease |
|
Magnetic Resonance ( MR ) |
magnetic field and radio waves produce images of the body in three planes (coronal, sagittal, and axial) |
|
Labeled Compound |
radiopharmaceutical used in nuclear medicine studies |
|
Radioimmunoassay |
test that combines radioactive chemicals and antibodies to detect minute quantities of substances in a patients blood |
|
Radioisotope |
radioactive form of an element; radionuclide |
|
Radiology |
medical specialty concerned with the study of x-rays and their use in the diagnosis of disease |
|
Uptake |
rate of absorption of a radionuclide into an organ or tissue |
|
Scan |
Image of an area, organ, or tissue obtained from ultrasound, radioactive tracer studies, computed tomography, or magnetic resonance imaging |
|
Ultrasound Transducer |
handheld device that sends and receives ultrasound signals |
|
Tagging |
attaching a radionuclide to a chemical and following its path in the body |
|
Ventilation-Perfusion Studies |
radiopharmaceutical is inhaled and injected intravenously followed by imaging its passage through the respiratory tract |
|
Radiopaque |
obstructing the passage of x-rays |
|
Scintigraphy |
diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images |
|
Single Photon Emission Computed Tomography |
radioactive tracer is injected intravenously and a computer reconstructs a three-dimensional image based on a composite of many views |
|
Radiopharmaceutical |
radioactive drug (radionuclide plus chemical) that is administered for diagnostic and therapeutic purposes |
Share This
Flashcard
