BIOLOGY (OER)
2nd Edition
ISBN: 2810023110482
Author: OpenStax
Publisher: MBS
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Textbook Question
Chapter 35, Problem 25CTQ
Multiple sclerosis causes demyelination of axons in the brain and spinal cord. Why is this problematic?
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Chapter 35 Solutions
BIOLOGY (OER)
Ch. 35 - Figure 35.3 Which of the following statements is...Ch. 35 - Figure 35.11 Potassium channel blockers, such as...Ch. 35 - Figure 35.26 Which of the following statements is...Ch. 35 - Neurons contain _____ which can receive_____...Ch. 35 - A(n)______neuron has one axon and one____ dendrite...Ch. 35 - Glia that provide myelin for neurons in the brain...Ch. 35 - Meningitis is a viral or bacterial infection of...Ch. 35 - For a neuron to fire an action potential, its...Ch. 35 - After an action potential, the opening of...Ch. 35 - What is the term for protein channels that connect...
Ch. 35 - Which of the following molecules is not involved...Ch. 35 - Thelobe contains the visual cortex frontal...Ch. 35 - Theconnects the two cerebral hemispheres. limbic...Ch. 35 - Neurons in Thecontrol motor reflexes. thalamus...Ch. 35 - Phineas Gage was a 19th century railroad worker...Ch. 35 - Activation of the sympathetic nervous system...Ch. 35 - Where are parasympathetic preganglionic cell...Ch. 35 - ______ is released by motor nerve endings onto...Ch. 35 - Parkinson’s disease is a caused by the...Ch. 35 - __________ medications are often used to treat...Ch. 35 - Strokes are often caused by. neurodegeneration...Ch. 35 - Why is it difficult to identify the cause of many...Ch. 35 - Why do many patients with neurodevelopmentaJ...Ch. 35 - How are neurons similar to other cells? How are...Ch. 35 - Multiple sclerosis causes demyelination of axons...Ch. 35 - Many neurons have only a single axon, but many...Ch. 35 - How does myelin aid propagation of an action...Ch. 35 - What are the main steps in chemical...Ch. 35 - Describe how long-term potentiation can lead to a...Ch. 35 - What methods can be used to determine the function...Ch. 35 - What are the main functions of the spinal cord?Ch. 35 - Alzheimer’s disease involves three of the four...Ch. 35 - What are the main differences between the...Ch. 35 - What are the main functions of the sensory somatic...Ch. 35 - Describe how the sensory-somatic nervous system...Ch. 35 - Scientists have suggested that the autonomic...Ch. 35 - What are the main symptoms of Alzheimer’s disease?Ch. 35 - What are possible treatments for patients with...
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- Identify and describe the events that occur after injury to aPNS axon.arrow_forwardBriefly describe what happens to the myelin sheath and how it disrupts nerve function in patients with Multiple Sclerosis.arrow_forwardA) The neuron labelled "D" in the figure is what class of functional neuron?: 3rd-order? lower motor neurone? upper motor neurone? 2nd-order? bipolar? unipolar? B) The message in the pleural pathway in figure 3 comes from the: occipital lobe? skeletal muscle? somatosensoty cortex? temporal lobe? receptors? parietal lobe? frontal lobe? C) Damage to this structure in the figure would affect the ability to move your RIGHT leg: A, B, C, D, E, F, Garrow_forward
- Why do Schwann cells insulate nerves?arrow_forwardPlease explain in a detailed paragraph explaining how Multiple Sclerosis affects neuronsarrow_forwardDescribe the function of local currents in the conduction of action potentials down a myelinated axon. What happens in demylinating diseases?arrow_forward
- Jack is a 27-year-old African American man. He has been diagnosed with multiple sclerosis 3 years ago and has struggled with it since then. He has noticed a slow decline in his function. He he has not been able to work full time and moved back home with his parents. Because of his change in health status, he has experienced bouts of depression. Due to the unsteadiness on his feet, Jack fell at his job and was injured. As a result, his work duties were reduced. He was in a three-year relationship but she broke up with him when he was diagnosed. She said Jack's diagnosis was more than she could handle. Apply the questions below to the case study. 1a.How might each of these disability-related factors influence Jack's multiple sclerosis? 1b. When answering the question, consider how the diagnosis and these factors and how would these factors influence how Jack responds to his illness. -Functionality versus organicity of Multiple Sclerosis - Level of severity - Degree of visibility…arrow_forwardmultiple sclerosis is a demyelinating disease in which the patient's immune system attacks and destroys the cells that form the myelin sheath in the central nervous system. what types of symptoms would you expect from such a disease? why? would Schwann cells or oligodendrocytes be affected? explainarrow_forwardGray matter consists of... cell bodies, dendrites, and unmyelinated axons myelinated axons unmyelinated axons myelinated cell bodies, dendrites, and axonsarrow_forward
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