Imaging Techniques

Question 1

Cineradiography

Answer 1

making of a motion picture of successive images appearing on a fluoroscopic screen

Question 2

computed tomography (CT scan)

Answer 2

use of a computer to generate an image from a large number of x-rays passed at different angles through the body

Question 3

fluroscopy

Answer 3

use of x-rays to examine deep structures; the shadows cast by x-rays passed through the body are observed on a fluorescent screen

Question 4

magnetic resonance imaging (MRI)

Answer 4

production of images through the use of a magnetic field and radio waves

Question 5

positron emission tomography (PET)

Answer 5

production of sectional body images by administration of a natural substance, such as glucose, labeled with a positron-emitting isotope

Question 6

radiography

Answer 6

use of x-rays passed through the body to make a visual record (radiograph) of internal structures

Question 7

scintigraphy

Answer 7

imaging the radioactivity distribution of tissues after internal administration of a radioactive substance

Question 8

single-photon emission computed tomography (SPECT)

Answer 8

scintigraphic technique that permits visualization of a radioisotope’s cross-sectional distribution

Question 9

ultrasonography

Answer 9

generation of a visual image from the echoes of high-frequency sound waves traveling back from different tissues