Asked by Kinnary Vasoya on Jul 08, 2024
Verified
A radiopaque compound used as contrast for GI x-ray exams is:
A) radium.
B) barium.
C) lead.
D) fluorescence.
Radiopaque
A term describing substances that are impenetrable to X-rays and other forms of radiation, appearing white or light on radiographs.
Barium
A chemical element with symbol Ba and atomic number 56, used in medical imaging to improve the contrast of X-ray photographs.
Fluorescence
The emission of light by a substance that has absorbed light or other electromagnetic radiation, often seen in minerals, plant materials, and synthetic compounds.
- Determine the array of imaging techniques and their particular uses.
Verified Answer
VA
Valentin AffanaJul 14, 2024
Final Answer :
B
Explanation :
Barium is commonly used as a radiopaque contrast agent in GI x-ray exams. It is not radioactive and helps to highlight the digestive system for better imaging. Radium and lead are not used as contrast agents and fluorescence is not a compound used for this purpose.
Learning Objectives
- Determine the array of imaging techniques and their particular uses.