Briefly describe what happens to the myelin sheath and how it disrupts nerve function in patients with Multiple Sclerosis.

Q: hyperkalemia has a drastic effect on the heart muscle

A: INTRODUCTION Hyperkalemia is a condition in which there is an abnormally high level of potassium in…

Q: describe how myelination and axon diameter contributes to the increased speed of nerve impulse…

A: The information transmitted by neurons is named nerve impulses. Nerve impulses can roam very rapidly…

Q: A general principle of physiology states that homeostasis is essential for health and survival. In…

A: The tissues and organs in the human body are made up of several different types of cells. Even…

Q: Briefly explain the generation and conduction of nerve impulse.

A: Introduction The nervous system is one such system that regulates and organises the entire body's…

Q: Describe how the speed of nerve signal conduction varies with axon diameter and the presence or…

A: Neurons send information and instructions throughout the brain and body. The information is sent via…

Q: What is the most important determiner of whether axons within a nerve/nerve root will regrow?

A: neurons are cells which form the basic unit of the nervous system . It helps in control and…

Q: Please explain in a detailed paragraph explaining how Multiple Sclerosis affects neurons

A: Nervous system comprises of two types of nervous systems, that is: Central nervous system…

Q: Phenytoin (sodium channel blocker) and ethosuximide (calcium channel blocker) are anti-seizure drugs…

A: Electrical signals regulate the contraction of muscle, secretion of hormones, sensation of the…

Q: Explain the process of regeneration in nerve fibers of the PNS, the role of Schwann cells and under…

A: Neuroregeneration is characterized by the regrowth or repair of nervous tissue and cells.…

Q: Describe the changes in the neuron membrane that occur throughout the course of an action potential.…

A: The action potential is an explosion of electrical activity that is created by a depolarizing…

Q: Explain why damage to peripheral nerve fibers is often reversible, whereas damage to CNS fibers…

A: The cortex and spinal cord are the central nervous system. Many physical activities such as…

Q: use arrows to identify: Axon Schwann cell (myelin sheath) Nucleus of Schwann cell neurofibril node…

A: The structural and functional units of nervous system which are capable of sending and receiving…

Q: Explain the negative effects on a neuron when the myelin sheath is damaged or destroyed by a…

A: The nerve cells are also called neurons are the long, elongated cells of the body that comprises a…

Q: Describe the function of local currents in the conduction of action potentials down a myelinated…

A: The propagation of action potentials across myelinated axons from one Ranvier node to the next is…

Q: Overactivation of in the brain is thought to contribute to the progression of Alzheimer's disease.…

A: Alzheimer's is a progressive neurologic disorder. It is a type of dementia, where there is memory…

Q: Mention to the function of myelin sheath.

A: The insulating covering around the nerve cell is termed as the myelin sheath. In the central nervous…