Fissure-in-Ano MCQ Quiz | Anorectal

Welcome to the Fissure-in-Ano quiz, designed specifically for MBBS students to test and reinforce their knowledge in Anorectal surgery. This quiz covers the essential aspects of anal fissures, including etiology, pathophysiology, clinical presentation, diagnosis, and the latest management strategies—from conservative measures to surgical interventions like Lateral Internal Sphincterotomy. There are 25 multiple-choice questions to challenge your understanding. After completing the quiz, you can submit your answers to see your score and review the correct responses. For your future reference and study, an option to download all the questions along with their correct answers in PDF format is also available. Good luck!

1. What is the most common location for an anal fissure?

2. The primary pathophysiological factor responsible for the development and persistence of an anal fissure is:

3. The most characteristic symptom of an acute anal fissure is:

4. A “sentinel pile” associated with a chronic anal fissure is a:

5. Which finding is most indicative of a chronic anal fissure as opposed to an acute one?

6. Initial conservative management for an acute anal fissure includes all of the following EXCEPT:

7. What is the mechanism of action of topical Glyceryl Trinitrate (GTN) in the treatment of anal fissures?

8. The most common side effect of topical GTN ointment is:

9. For a chronic anal fissure that has failed medical management, the surgical procedure with the highest success rate is:

10. The most significant potential long-term complication of lateral internal sphincterotomy (LIS) is:

11. A fissure located in a lateral position should raise suspicion for which underlying condition?

12. The “vicious cycle” of an anal fissure consists of:

13. Which of the following is an alternative pharmacological agent to GTN, also used to promote fissure healing by relaxing the internal sphincter?

14. Why is digital rectal examination or anoscopy often deferred during the initial assessment of an acute anal fissure?

15. The classic triad of a chronic anal fissure includes the fissure ulcer, a sentinel pile, and a:

16. The main therapeutic effect of Lateral Internal Sphincterotomy (LIS) is:

17. Goodsall’s rule is used to predict the track of a:

18. Botulinum toxin injection for anal fissure works by:

19. The posterior midline of the anal canal is most susceptible to fissure formation primarily due to:

20. What is the most common cause of anal fissures in infants?

21. The diagnosis of a primary anal fissure is most reliably made by:

22. An anal advancement flap is a surgical option for fissures primarily indicated in patients:

23. Bleeding from an anal fissure is typically described as:

24. Which muscle is partially divided during a lateral internal sphincterotomy?

25. A patient with a chronic fissure complains of a small lump at the anal verge. This is most likely a: