Explain why nerve impulse propagation is compromised 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: Explain why p-wave amplitudes outside the normal range may still be 'normal'?

A: ECG is a recording of the action potential by all the heart muscle fibers during each heartbeat.One…

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: What is conduction Aphasia?

A: Conduction aphasia is a language disorder.It is characterized by selective defect of oral repetition…

Q: Describe the structure of the nervous system.  Include the following terms: central nervous system,…

A: In vertebrates, the nervous system is mainly made up of circuits of neurons and supporting cells.…

Q: The peripheral nerve fibre type that is most affected in Riley day syndrome is the ... Cite your…

A: Riley-Day syndrome, also called familial dysautonomia, an inherited disorder occurring almost…

Q: Explain how the somatic nervous system and the autonomic nervous system connect the CNS to effectors…

A: The nervous system is a complicated biological system made up of a network of many nerves. Signal…

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: Explain what dual innervation means with regard to the autonomic nervous system.

A: The autonomic nervous system controls the muscles of internal organs (such as the heart, blood…

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: 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: What is the difference between Multiple Sclerosis and Amyotrophic lateral Sclerosis?

A: Multiple Sclerosis is a disease that affects the brain and spinal cord. It destroys the myelin…