GI Bleeding (Upper/Lower) MCQ Quiz | Gastrointestinal System

1. What is the most common cause of significant upper gastrointestinal (GI) bleeding?

2. The presence of hematemesis (vomiting of red blood) suggests that the source of bleeding is proximal to which anatomical landmark?

3. “Coffee-ground” vomitus is indicative of:

4. Which class of drugs is most commonly associated with peptic ulcer disease and subsequent bleeding?

5. What is the first-line therapeutic intervention for actively bleeding esophageal varices?

6. A linear mucosal tear at the gastroesophageal junction following forceful retching or vomiting is characteristic of:

7. The Glasgow-Blatchford score (GBS) is primarily used to:

8. Painless, massive hematochezia in a patient over 60 years old is most commonly caused by:

9. Which of the following is NOT a component of the initial resuscitation of a patient with severe acute GI bleeding?

10. What is the most sensitive and specific diagnostic test for localizing the source of most upper GI bleeds?

11. Melena (black, tarry stools) is typically caused by bleeding from which part of the GI tract?

12. Which pharmacological agent is specifically used to reduce splanchnic blood flow and portal pressure in the management of variceal bleeding?

13. Angiodysplasia, a common cause of lower GI bleeding in the elderly, is most frequently located in the:

14. The Rockall score is used in patients with upper GI bleeding to:

15. Painless, massive, and intermittent arterial bleeding from an abnormally large, tortuous submucosal vessel is characteristic of:

16. In a patient with massive hematochezia where colonoscopy fails to identify a bleeding source, what is often the next diagnostic step?

17. What is the primary mechanism by which Proton Pump Inhibitors (PPIs) aid in the management of non-variceal upper GI bleeding?

18. While hematochezia typically indicates a lower GI source, it can result from a brisk upper GI bleed. Which clinical sign would most strongly support an upper GI source in this scenario?

19. Which form of Inflammatory Bowel Disease (IBD) is characterized by continuous inflammation beginning in the rectum and extending proximally, and is a known cause of lower GI bleeding?

20. A Meckel’s diverticulum, a cause of lower GI bleeding in children and young adults, is a true diverticulum that is a remnant of which embryonic structure?

21. What is considered the most effective and common non-surgical treatment for bleeding internal hemorrhoids that have failed medical management?

22. An aortoenteric fistula is a rare but catastrophic cause of massive GI bleeding, most commonly occurring in patients with a prior history of:

23. A “second-look” endoscopy may be considered in patients with a non-variceal upper GI bleed who have which of the following?

24. Which of the following findings is most specific for a lower GI bleeding source as opposed to an upper GI source?

25. For a hemodynamically unstable patient with a massive lower GI bleed where colonoscopy cannot be performed or is non-diagnostic, what is the next most appropriate management step?