Question

What's the difference between myelinated and unmyelinated neurons? What's the effect of myelin on nerve stimulus transmission? Transmission speed of Nerve A: 19 m/sec. Transmission speed of Nerve B: 45 m/sec. Which one is myelinated? Explain why. Multiple sclerosis is a type of disease where the myelin sheath of nerve cells in the brain and spinal cord is damaged. This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems. Specific symptoms can include double vision, blindness in one eye, muscle weakness, and trouble with sensation or coordination. If Nerve A is a neuron in Patient A's and Nerve B is a neuron in Patient B's spinal cord, which patient may have multiple sclerosis?

          What's the difference between myelinated and unmyelinated neurons? What's the effect of myelin on nerve stimulus transmission?
Transmission speed of Nerve A: 19 m/sec. Transmission speed of Nerve B: 45 m/sec. Which one is myelinated? Explain why.
Multiple sclerosis is a type of disease where the myelin sheath of nerve cells in the brain and spinal cord is damaged. This damage disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes psychiatric problems.
Specific symptoms can include double vision, blindness in one eye, muscle weakness, and trouble with sensation or coordination. If Nerve A is a neuron in Patient A's and Nerve B is a neuron in Patient B's spinal cord, which patient may have multiple sclerosis?

Added by Susan Z.

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