What is difference between melaena and occult blood? ANSWER SHOULD INCLUDE: Occult blood - cannot be seen with the naked eye. Detected by specific tests (FOB - faecal occult blood tes). FOB does not necessarily mean that there are any abnormalities but can be a sign of Colon cancer). Melaena is visible ( in the way that stools look); indicates upper G.I bleeding

What is difference between melaena and occult blood? ANSWER SHOULD INCLUDE: Occult blood - cannot be seen with the naked eye. Detected by specific tests (FOB - faecal occult blood tes). FOB does not necessarily mean that there are any abnormalities but can be a sign of Colon cancer). Melaena is visible ( in the way that stools look); indicates upper G.I bleeding

Complete Textbook Of Phlebotomy

5th Edition

ISBN:9781337464314

Author:Hoeltke

Publisher:Hoeltke

Chapter1: Introduction To Phlebotomy

Section: Chapter Questions

Problem 14RQ

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