Axonotmesis corresponds to which type of nerve injury?

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Enhance your knowledge for the Medbridge Orthopedic Clinical Specialist Test. Utilize flashcards and multiple choice questions with detailed hints and explanations. Prepare thoroughly for your OCS exam journey!

Multiple Choice

Axonotmesis corresponds to which type of nerve injury?

Explanation:
Axonotmesis is an injury where the axon is damaged but the endoneurial tubes remain intact, providing a scaffold for regenerating axons to grow through. This is the Sunderland 2nd-degree pattern, so recovery is possible though gradual as axons reconnect along preserved endoneurial pathways. In contrast, neurapraxia (no axon disruption) presents with a conduction block but no axonal injury, and neurotmesis (complete transection with endoneurial disruption) often requires surgical repair due to disrupted scaffolding. Thus axonotmesis corresponds to Type II nerve injury.

Axonotmesis is an injury where the axon is damaged but the endoneurial tubes remain intact, providing a scaffold for regenerating axons to grow through. This is the Sunderland 2nd-degree pattern, so recovery is possible though gradual as axons reconnect along preserved endoneurial pathways. In contrast, neurapraxia (no axon disruption) presents with a conduction block but no axonal injury, and neurotmesis (complete transection with endoneurial disruption) often requires surgical repair due to disrupted scaffolding. Thus axonotmesis corresponds to Type II nerve injury.

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