Nerve Regeneration Practice Questions
20 free Nerve Regeneration practice questions for the Histology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Nerve Regeneration questions
- Q1. Which process describes the degenerative changes occurring in the distal segment of a severed peripheral nerve?
- Q2. What is the first histological sign of nerve injury visible in the neuronal cell body (perikaryon)?
- Q3. Which cell type is primarily responsible for phagocytosing myelin debris and axonal fragments during peripheral nerve regeneration?
- Q4. The 'Bands of Büngner' are formed by which of the following?
- Q5. What is the typical rate of axonal regrowth in a regenerating human peripheral nerve?
- Q6. Why is nerve regeneration significantly more successful in the Peripheral Nervous System (PNS) than in the Central Nervous System (CNS)?
- Q7. What is the clinical consequence if a regenerating axon fails to find its original endoneurial tube and forms a disorganized mass?
- Q8. During nerve repair, the surgical procedure of 'nerve suturing' primarily aims to align which histological layer?
- Q9. Which neurotrophic factor is highly expressed by Schwann cells following a nerve injury to support axonal survival?
- Q10. In the CNS, the formation of a 'glial scar' is primarily attributed to which cell type?
- Q11. The structural unit that leads the way for a regenerating axon is called the:
- Q12. Which of the following describes 'Retrograde Degeneration' in a damaged neuron?
- Q13. Chromatolysis involves the dissolution of Nissl bodies. What are Nissl bodies composed of?
- Q14. What is the role of the 'basal lamina' of the Schwann cell during regeneration?
- Q15. Which type of axonal transport is responsible for moving the materials required for building the new axonal cytoskeleton during repair?
- Q16. If an axon was previously myelinated, what happens after it successfully regenerates?
- Q17. Following denervation, what characteristic change occurs in the target skeletal muscle?
- Q18. Which molecule found in CNS myelin is a major inhibitor of axonal outgrowth?
- Q19. Transneuronal (transsynaptic) degeneration refers to:
- Q20. The success of peripheral nerve regeneration is most dependent on which factor?