A black,tarry looking stool is indicative of:
A) Upper gastrointestinal (GI) bleeding
B) Lower GI bleeding
C) Excess fat
D) Excess carbohydrates

Question

Quizplus · Accepted Answer

Black, tarry stools, medically known as melena, are most commonly indicative of upper gastrointestinal (GI) bleeding. This occurs when blood from an upper GI source, such as the stomach or the first part of the small intestine, mixes with digestive enzymes, resulting in a black, tarry appearance by the time it is excreted.

A Black,tarry Looking Stool Is Indicative Of