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Module 2 Ch 8 Case study

Module 2 Ch 8 Case study

Q CLINICAL CASE REPORT Chapter 8 Running Problem: Mysterious Paralysis 1. 1) Which division(s) of the nervous system may be involved in Guillain-Barre’ syndrome (GBS)? 2. Do you think the paralysis found in the Chinese children affected both sensory (afferent) and somatic motor (efferent) neurons? Why or why not? 3. In GBS, what would you expect the results of a nerve conduction test to be? 4. Is the paralytic illness that affected the Chinese children a demyelinating condition? Why or why not? 5. Do the results of Dr. McKhann’s investigation suggest that the Chinese children had classic Guillain-Barre’ syndrome? Why or why not?

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1. Facts: The nervous system is divided into peripheral nervous system , which has afferent (sensory ) and efferent subdivisions , and central nervous system (CNS). Efferent neurons are either somatic motor neurons , which control skeletal muscles ,or autonomic neurons ,which control glands and smooth and cardiac muscles. Integration and Analysis: Patients with GBS can neither feel sensations nor move their muscles . This suggests a problem in both afferent and somatic motor neurons . However ,it is also possible that there is a problem in the CNS integrating center . You do not have enough information to determine which division is affected .