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: Explain the process of Depolarisation of the membrane of a nerve fibre.

A: The action potential is the nerve signals that are produced by the neurons. These signals are…

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: Sympathetic and parasympathetic preganglionic fibers release the neurotransmitter:

A: The nervous system of the humans is generally classified into the central and peripheral nervous…

Q: Indicate whether the reticular activation system is a structural entity or a functional…

A: The reticular activating system is a network of neurons located in the brain stem that project…

Q: Describe the nature and significance of the blood-brain barrier.

A: The blood-brain barrier is an important part of the central nervous system. it is studied under the…

Q: Describe preganglionic and postganglionic neurons of the autonomic nervous system.

A: There are two divisions of the nervous system. The central nervous system includes the brain and the…

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: What is the reticular activating system (RAS)?

A: If the reticular activating system is impaired, sleep disorders, lethargy or coma may result.…

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 upper and lower motor neuron lesion ?

A: Introduction: According to the functional classification, neurons are classified as Autonomic…

Q: Describe the basic differences between general and local anesthesia.

A: While doing a surgery or any long medical procedures, there will be pain, irritation or discomfort…

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: Discuss Presynaptic factors?

A: Neurotransmitters can be defined as the chemical messengers that play the role in transmitting the…

Q: Define autonomic nervous system (ANS)

A: The division of the peripheral nervous system that functions automatically without an individual's…

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: Give Presynaptic factors?

A: The process of relating to or denoting the nerve cell that will releases the transmitter substance…

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 use acetylcholine as a neurotransmitter?

A: Acetylcholine is the first neurotransmitter identified, it is a small- molecule excitatory…

Q: Discuss about blood brain barrier in details?

A: The brain is the nervous system's primary organ and, together with the spinal cord, makes up the…

Q: Identify the types of axons that compose the gray and whiterami communicantes, describe their…

A: Ramus communicans is the term that is used to denote the nerve that connects the other two nerves,…

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: What manifestations of decreased ANS efficiency are seen in elderly people?

A: Introduction: The system of motor nerve cells innervating various smooth muscles, glands, and…

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: Define the term monosynaptic reflex?

A: Humans and animals all have reflexes that help them avoid danger. Reflexes are reflex reactions,…

Q: Explain why adequate nutrition and hydration may bedifficult to maintain in a person with…

A: Parkinson's disease refers to the lifelong condition in which the person's locomotion is affected.…

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…