Which of the following would be a negative contrast agent with a low atomic number administered to a patient?
barium
radiopaque contrast
iodinated contrast
radiolucent contrast
radiolucent contrast
Rationale: A radiolucent contrast is a negative agent that has a low atomic number. Radiolucent contrast agents may be introduced in certain exams to create a double contrast effect on the image. A radiolucent contrast will appear dark on the radiograph.
Health Professions
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Which of the following chemical substances in the blood normally cannot pass during glomerular filtration?
A) simple sugars B) electrolytes C) proteins D) uric acids
Health Professions
Under general anesthesia, the surgeon probes the nasolacrimal ducts with irrigation, bilaterally.
What will be an ideal response?
Health Professions