209k views
2 votes
If damage to a peripheral nerve occurs regeneration will likely result in ______.

A. Loss of control
B. No sensitivity to temperature and pressure
C. Sensitivity to pressure, touch, temperature, and pain regained
D. Loss of fine motor control
E. All functions regained

1 Answer

5 votes

Final answer:

Regeneration of a damaged peripheral nerve often results in regained sensitivity to pressure, touch, temperature, and pain, as the PNS has some capacity to regrow nerves.

Step-by-step explanation:

If damage to a peripheral nerve occurs, regeneration will likely result in sensitivity to pressure, touch, temperature, and pain regained. The peripheral nervous system (PNS) has some capacity for nerve regeneration, unlike the central nervous system (CNS). When a peripheral nerve is damaged, the nerve can regrow from the point of injury outward at a slow rate. If the nerve has been fully cut or extensively damaged, recovery of full function is less likely, and there might be some permanent loss of function.

Peripheral nerve regeneration is a complex process that involves several steps. Axons in the PNS can regrow, and if the surrounding connective tissue sheath (endoneurium) is intact, the axons may find their way back to the correct targets. This means that, over time, sensations such as pressure, touch, temperature, and pain can be regained, but the recovery of fine motor control may be less predictable and may not always be fully achieved. In cases where the nerve is not severely damaged, most functions, including sensitivity to stimuli, are likely to recover over time.

User RobinAtTech
by
7.8k points