Hydrocephalus – Basics MCQ Quiz | Pediatric Surgical

Welcome to the Hydrocephalus Basics Quiz for MBBS students. This quiz is designed to test your fundamental knowledge of hydrocephalus, a critical topic in Pediatric Surgery. You will be challenged with 25 multiple-choice questions covering pathophysiology, classification, clinical signs in different age groups, and primary diagnostic approaches. This self-assessment tool will help you solidify your understanding of CSF dynamics and the core concepts of this condition. After submitting your answers, you will see your score, and each question will be highlighted to show the correct response. For your revision, you can download a PDF document containing all the questions along with their correct answers. Good luck with your preparation!

1. What is the primary pathophysiological mechanism of hydrocephalus?

2. In an infant, which clinical sign is most indicative of hydrocephalus?

3. The “sunsetting sign” (downward deviation of the eyes) in hydrocephalus is due to pressure on which structure?

4. Which of the following is the most common cause of congenital obstructive hydrocephalus?

5. Communicating hydrocephalus is characterized by:

6. Cerebrospinal fluid is primarily produced by the:

7. What is Macewen’s sign, often associated with hydrocephalus?

8. In non-communicating hydrocephalus, the obstruction is located:

9. Post-hemorrhagic hydrocephalus in a preterm infant is typically of which type?

10. The normal volume of CSF in an adult is approximately:

11. Which diagnostic imaging modality is the initial investigation of choice for suspected hydrocephalus in an infant with an open fontanelle?

12. The classic triad of symptoms for Normal Pressure Hydrocephalus (NPH) in adults is:

13. CSF is primarily absorbed into the venous circulation via the:

14. A Dandy-Walker malformation involves cystic dilatation of the fourth ventricle and is associated with agenesis or hypoplasia of the:

15. Which condition is a rare cause of hydrocephalus due to CSF overproduction?

16. The flow of CSF from the lateral ventricles to the third ventricle is through the:

17. In an older child with hydrocephalus, which symptom is most common due to increased intracranial pressure (ICP)?

18. The Evan’s Index, used in diagnosing NPH, is a ratio of the maximal width of the frontal horns to the:

19. Arnold-Chiari malformation type II is almost universally associated with which condition?

20. What is the term for hydrocephalus that occurs as a consequence of brain atrophy, where the ventricles enlarge to fill the space left by lost brain tissue?

21. The aqueduct of Sylvius connects which two structures?

22. Papilledema, a sign of increased ICP, is swelling of the:

23. Which infectious agent is a common cause of acquired communicating hydrocephalus?

24. A “trapped” or “isolated” fourth ventricle is a complication that can occur after:

25. The daily production rate of CSF in an adult is approximately: