A radiopaque compound used as contrast for GI x-ray exams is:
A) radium.
B) barium.
C) lead.
D) fluorescence.
B
Explanation: A) Radium is a radioactive isotope used for interventional radiotherapy.
B) Correct.
C) Lead is used in protective devices such as shields.
D) Fluorescence is the property by which substances emit light.
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Indicate whether the statement is true or false.
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Fill in the blank(s) with correct word
These people practiced yoga, a system of meditation and regulated breathing.
A. Athenians B. Chinese C. Egyptians D. Spartans E. None of these
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A. after dinner B. before breakfast C. at lunch time D. before bed