UKMLA PLAB AMC USMLE Prometric MCQ

Question Number 1638

Question:
in the investigation of Gastrointestinal bleeding by Tc-99m sulfur colloid scintigraphy

a) is useful for detecting bleeding sites in the small intestine
b) counts for every image should be of about 100,000
c) a transplanted kidney may give a false positive result
d) has a disappearance half-life of about 30 minuutes
e) is more sensitive than angiography

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