Contrast medium is a radiopaque substance which:
A) is required for all x-rays.
B) allows accurate visualization of organ and tissues.
C) is harmful.
D) none of the above.
B
Health Professions
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If almost all of the fish in an aquarium are swimming at the surface, it may be a sign of insufficient oxygen
Indicate whether the statement is true or false
Health Professions
Which item best describes use of a weapon of mass destruction?
A) Death of 25 people following an explosion in a chemical plant caused by faulty wiring B) Death of 57 people following nighttime tornadoes that struck a suburban area C) Death of 49 people in a crowded mall following intentional dispersal of an unknown bacterial agent D) Accidental release of radioactive gas from a nuclear power plant that impacts thousands of people
Health Professions