Scott, a 37-year-old elementary teacher, is seeing his general practitioner for complaints of general weakness, especially in his lower extremities. He has also been feeling very fatigued lately and has trouble keeping up with his students throughout his work day. His physician notes that he has lost a significant amount of weight in the last 6 months. Scott reports that even simple tasks, such as brushing his hair and getting dressed, can seem like a chore. He has trouble climbing stairs because of his weakness and notices that his speech is slurred, especially at the end of the day. Scott's physician uses a tongue depressor during his physical examination and Scott begins to gag and has difficulty swallowing. His physician notes muscle wasting and abnormal spasticity in upper and lower extremities bilaterally. All reflexes are normal except the Babinski reflex. Scott's toes fan out when the sole of his feet are stroked with the reflex hammer. Scott's symptoms are primarily related to problems with: Neurons of the autonomic nervous system only O Both sensory and motor neurons Motor neurons O Sensory neurons
Scott, a 37-year-old elementary teacher, is seeing his general practitioner for complaints of general weakness, especially in his lower extremities. He has also been feeling very fatigued lately and has trouble keeping up with his students throughout his work day. His physician notes that he has lost a significant amount of weight in the last 6 months. Scott reports that even simple tasks, such as brushing his hair and getting dressed, can seem like a chore. He has trouble climbing stairs because of his weakness and notices that his speech is slurred, especially at the end of the day. Scott's physician uses a tongue depressor during his physical examination and Scott begins to gag and has difficulty swallowing. His physician notes muscle wasting and abnormal spasticity in upper and lower extremities bilaterally. All reflexes are normal except the Babinski reflex. Scott's toes fan out when the sole of his feet are stroked with the reflex hammer. Scott's symptoms are primarily related to problems with: Neurons of the autonomic nervous system only O Both sensory and motor neurons Motor neurons O Sensory neurons
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Scott, a 37-year-old elementary teacher, is seeing his general practitioner for complaints of general
weakness, especially in his lower extremities. He has also been feeling very fatigued lately and has
trouble keeping up with his students throughout his work day. His physician notes that he has lost
a significant amount of weight in the last 6 months. Scott reports that even simple tasks, such as
brushing his hair and getting dressed, can seem like a chore. He has trouble climbing stairs because
of his weakness and notices that his speech is slurred, especially at the end of the day.
Scott's physician uses a tongue depressor during his physical examination and Scott begins to gag
and has difficulty swallowing. His physician notes muscle wasting and abnormal spasticity in upper
and lower extremities bilaterally. All reflexes are normal except the Babinski reflex. Scott's toes
fan out when the sole of his feet are stroked with the reflex hammer.
Scott's symptoms are primarily related to problems with:
O Neurons of the autonomic nervous system only
O Both sensory and motor neurons
O Motor neurons
O Sensory neurons
Expert Solution
Introduction:
In the brain and body, the specialized cells that perform the function of transmitting signals (chemical and electrical) are referred to as neurons. It is comprised of the dendrite, cell body, axon, and synapse. There are three types of neurons including sensory, motor, and interneurons.
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