Test performed to identify the presence of melena:
a. Barium enema
b. Upper GI series
c. Stool culture
d. Stool guaiac test
e. Abdominal ultrasonography
Answer: d. Stool guaiac test
Test performed to identify the presence of melena:
a. Barium enema
b. Upper GI series
c. Stool culture
d. Stool guaiac test
e. Abdominal ultrasonography
Answer: d. Stool guaiac test
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