NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Wearing on Her Nerves: Explor
ID: 303032 • Letter: N
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NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Wearing on Her Nerves: Exploring the Interrelation between the Nervous and Muscular Systems by Kathleen G. Brown, Nursing Department Sharon S. Ellerton, Biological Sciences and Geology Queensborough Community College, City University of New York Part I-Rise and Shine? Kathy, a 20-year-old woman, awakens one moning to a tingling, numb sensation covering both of her feet. This has happened to her a number of times throughout the year. In the past, when experiencing this sensation, within a couple of days to a week the numbness would subside, and so she is not too concerned. About a week later, she notices that the numboess and tingling not only persis, but has also spread up to her knces. Again, she ignores the abormal sensation. By the end of a month's time, the numbness spreads to the midline of her body. At this point she becomes alarmed. Kathy sees the nurse at her college who tells her chat she should see a doctot. Kathy calls her doctor's office to schedule t, but the soonest slot is in two weeks. She makes the appointment and goes The next morning, Kathy wakes, but when she attemps to get out of bed, she comes crashing to the loor. Because she is still groggy from sleep, she doesn't really understand what has just happened. As she tries to stand up, the muscles of her left leg engage, but as she also artempts pushing up with her right leg, she again falls to the loor. She sits in bewilderment as she tries to make sense of what has just happened and realizes that she has seriously scraped her knee in ber fall. She does not feel the pain from her wound. Kathy thinks about how odd this year has been. She remembers another medical issue she had earlier in the year whesn the had lost hearing in her right ear and wonders if there is a connection to her current condition. At that time, Kathy underwent extensive testing, but the ear, nose, and throat specialist remained baffled. He thought that a severe inner ear infection could have destroyed her ablity to hear on that side, but there was no conclusive evidence to support this. In an attempt to recover any hearing he could, the doctor prescribed very high dosages of steroids; he told Kathy that she probably wouldn't see a change, but there were rare occurrences where steroids helped. To both Kathy and her doctor's surprise, after about a week of steroids, she completely regained bearing in her right ear. It was a "miracle Kathy wonders whether she can count on a new miracle to heal her current medical issues. Questions 1. What components of the nervous system are involved in physical sensation? How does sensory impulse move throughout the body move throughout the body? What is a "motor unie"? What movements are involved in the action of standing up? actions? oystern are Involved in skelctal muscle movement How does motor impulse What muscles need to contract to perform these 3. Wearing on Her Nerves by Brown and Ellerton Page 1Explanation / Answer
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Movement of sensory impulse:-
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