Peripheral Nerve Injuries – Recognition & Principles MCQ Quiz | Orthopaedic Neurology

Welcome to this interactive quiz designed for MBBS students focusing on Orthopaedic Neurology. This module covers the essential concepts of Peripheral Nerve Injuries, including their recognition, classification, and fundamental principles of management. Test your knowledge on topics like Seddon’s and Sunderland’s classifications, Wallerian degeneration, clinical signs of common nerve palsies, and diagnostic approaches. This quiz consists of 25 multiple-choice questions to help you assess your understanding and prepare for your examinations. After completing the quiz, you can review your score, see the correct answers, and download a PDF version of all questions with their answers for your future reference and study. Good luck!

1. According to Seddon’s classification, which type of nerve injury involves a conduction block without axonal damage, leading to a temporary paralysis with full recovery?

2. A patient presents with “wrist drop” after a mid-shaft humeral fracture. Which nerve is most likely injured?

3. The process of degeneration of the axon distal to the site of injury is known as:

4. What is the average rate of peripheral nerve regeneration in an adult?

5. A positive Tinel’s sign indicates:

6. In Sunderland’s classification, which grade corresponds to axonotmesis with an intact endoneurium?

7. A patient is unable to make the “OK” sign (flexion of thumb IP joint and index finger DIP joint). This points to an injury of which nerve?

8. “Claw hand” deformity, characterized by hyperextension of the MCP joints and flexion of the IP joints of the 4th and 5th digits, is a classic sign of injury to which nerve?

9. Injury to the common peroneal nerve at the neck of the fibula typically results in:

10. On an EMG (Electromyography), which finding is characteristic of acute denervation?

11. Froment’s sign is used to test the function of which nerve?

12. Which of the following is considered the gold standard for sensory recovery assessment after a nerve repair?

13. The “Ape Hand” deformity, characterized by the inability to abduct the thumb, is caused by paralysis of the thenar muscles supplied by the:

14. When a nerve is completely severed and requires surgical repair, the procedure to suture the nerve ends together is called:

15. The most commonly used donor nerve for grafting in the upper extremity when a gap is present is the:

16. Phalen’s test is a provocative maneuver used to diagnose compression of which nerve at the wrist?

17. An injury to the upper trunk (C5-C6) of the brachial plexus results in a condition known as:

18. The Medical Research Council (MRC) scale is used to grade:

19. In a peripheral nerve injury, which sensory modality is typically the first to recover?

20. “Saturday night palsy” is a common term for a compressive neuropathy of which nerve?

21. The sensory innervation to the tip of the index finger is primarily from the:

22. What is the primary function of the perineurium layer of a peripheral nerve?

23. Meralgia paresthetica is a condition caused by the entrapment of which nerve?

24. In which type of nerve injury is surgical intervention almost always required for a chance of functional recovery?

25. A patient with a supracondylar fracture of the humerus is at risk of injury to all of the following nerves EXCEPT:

Author

  • G S Sachin Author Pharmacy Freak
    : Author

    G S Sachin is a Registered Pharmacist under the Pharmacy Act, 1948, and the founder of PharmacyFreak.com. He holds a Bachelor of Pharmacy degree from Rungta College of Pharmaceutical Science and Research and creates clear, accurate educational content on pharmacology, drug mechanisms of action, pharmacist learning, and GPAT exam preparation.

    Mail- Sachin@pharmacyfreak.com

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