Contrast Media Flashcards
Three factors needed to see an image?
Magnification, resolution, and contrast of an image
Tissue’s with higher atomic numbers absorb more x-ray photons than those with lower numbers, true or false?
True
Contrast Media are diagnostic agents that are instilled into the body orfices through…?
injection into the vascular system, joints, and ducts
Contrast Media purpose?
To enhance subject contrast in anatomic areas where there is low subject contrast
Barium sulfate is positive or negative contrast media?
Positive, used for gastrointestinal system
Positive contrast media have high or low atomic numbers?
High atomic numbers
Negative contrast media have high or low atomic numbers?
low atomic numbers