In Guillain-Barre Syndrome, the Immune System Attacks and Degrades the Myelin Sheath of PNS Axons. Predict the Effect This Will Have on Nerve Impulse and Motor Function.In Guillain-Barre syndrome, the immune system attacks and degrades the myelin sheath of PNS axons. Predict the effect this will have on nerve impulse and motor function.Multiple ChoiceLost insulation from myelin will cause neurons of the PNS to be hyper-excitable and muscular spasms will result.The brain will slowly degrade and various brain functions will be lost, including motor functions.Lost insulation from myelin will cause neurons of the PNS to lose saltatory conduction, resulting in poor muscle function.Motor signals will not be sent from the brain down the efferent pathway because the brain cannot generate them.
Question
In Guillain-Barre Syndrome, the Immune System Attacks and Degrades the Myelin Sheath of PNS Axons. Predict the Effect This Will Have on Nerve Impulse and Motor Function.In Guillain-Barre syndrome, the immune system attacks and degrades the myelin sheath of PNS axons. Predict the effect this will have on nerve impulse and motor function.Multiple ChoiceLost insulation from myelin will cause neurons of the PNS to be hyper-excitable and muscular spasms will result.The brain will slowly degrade and various brain functions will be lost, including motor functions.Lost insulation from myelin will cause neurons of the PNS to lose saltatory conduction, resulting in poor muscle function.Motor signals will not be sent from the brain down the efferent pathway because the brain cannot generate them.
Solution
The correct answer is: Lost insulation from myelin will cause neurons of the PNS to lose saltatory conduction, resulting in poor muscle function.
Explanation: The myelin sheath acts as an insulator for the nerve fibers in the peripheral nervous system (PNS), allowing electrical impulses to transmit quickly and efficiently along the nerve cells. If the myelin sheath is damaged or degraded, as in Guillain-Barre Syndrome, this can disrupt the transmission of these impulses. This disruption is due to the loss of saltatory conduction, a process where the electrical impulse 'jumps' from one node of Ranvier (gaps in the myelin sheath) to the next, speeding up the transmission of the impulses. Without this, the speed of
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