Weakness Help ead the report and answer all questions. ob's doctor performed a detailed neurological exam and found Bob

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Weakness Help ead the report and answer all questions. ob's doctor performed a detailed neurological exam and found Bob did, in fact, have left leg weakness and an unstea was also a mild sensory deficit over the dorsal aspect of his right hand. When the doctor asked Bob to look at a picture heck his visual acuity, Bob's left eye was fine, but when using only his right eye, he reported several missing lines and me grid. A careful history revealed that Bob has had at least two similar episodes in the past three years. Since Bob's p ymptoms had disappeared, he had dismissed them as insignificant. Bob's doctor ordered a computerized tomography Sob's brain. The CT findings were diagnostic of multiple sclerosis (MS). The symptoms of multiple sclerosis present when the body's immune system attacks the myelin covering of the axons in ervous system. • Myelin is a product of the oligodendrocytes and provides insulation for the axons. Oligodendrocytes are constantly renewing and regenerating the myelin wrappings around the axons. • In MS, the damage occurs at a faster rate than the oligodendrocytes can replace the myelin, leaving the axon perm exposed. Damage to the myelin impairs the nerve cell's ability to propagate a wave of depolarization; thus, there is poor com between neurons. The breakdown in neuronal communication is what leads to the symptoms of MS • The term multiple sclerosis refers to the scars (scleroses, also known as plaques) that are left in the white matter of t
cture 4 Critical Thinking Assignment 3 rt 1 of 2 ! Required information between neurons. • The breakdown in neuronal communication is what leads to the symptoms of MS. • The term multiple sclerosis refers to the scars (scleroses, also known as plaques) that spinal cord after an episode of inflammation. 1. Myelin is critical to nervous system function because Saved O it is the source of acetylcholine and thus critical to neuronal signal propagation. O it provides insulation around axons so as to greatly speed up neural impulses. O it is used by neurons as an emergency energy source during times of low blood glucc 2. The cells of the nervous system that produs
me temIT MUTUpit slici vəIS TEICIS LU LITE SLUTS POLICivɔco, uĪJU NIIVVII US piqueOJ LITUL UIT Required information 1. Myelin is critical to nervous system function because O it is the source of acetylcholine and thus critical to neuronal signal propagation. O it provides insulation around axons so as to greatly speed up neural impulses. O it is used by neurons as an emergency energy source during times of low blood glucose. 2. The cells of the nervous system that produce myelin are the O microglia. astrocytes. O oligodendrocytes. O unipolar neurons.