Multiple Choice
A patient comes to the emergency room complaining that he has been vomiting for the past 24 hours with black vomitus/emesis. You know that black vomitus may indicate:
A) A biliary obstruction.
B) Blood acted on by gastric digestion.
C) Intestinal obstruction.
D) Gastritis or food poisoning.
Correct Answer:

Verified
Correct Answer:
Verified
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