In a patient with C7 lesion with Brown Sequard Syndrome, the tracts affected are Dorsal Column Tract, Spinothaalmic Tracts, Spinocerebellar Tracts & Corticospinal Tracts. Why is it that the other tracts are spared / unaffected? Explain the answer well.
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- In a patient with C7 lesion with Brown Sequard Syndrome , the tracts affected are Dorsal Column Tract, Spinothaalmic Tracts, Spinocerebellar Tracts & Corticospinal Tracts. Why is it that the other tracts are spared / unaffected?please highlight 1. splenium of the corpus callosum 2. left parietal white matter, 3. left basal ganglia, 4. and anterior right cingulate gyrus. and in B) the FLAIR image revealed an increased T2 signal in those same areas. please higlight and explain thisWhich of the following statements regarding sciatic nerve is correct? a. Arises from L3/4/5/S1/2 b. Emerges from the lower border of piriformis c. Most commonly divides onto common peroneal and tibial branches in the middle of the hamstring compartment d. Can be injured by intramuscular injections in the upper outer quadrant of the buttock e. Gives no branches in the gluteal compartment
- Label all the nerve chords, thoracic gaglia and abdominal ganglia. State thr number of nerve chords , thoracic ganglia and abdominal ganglia isa present in the “picture”.Match each description with the appropriate cranial nerve in the diagram shown below 1. Carries commands to the eyes — to muscles that move the eyes or control pupil size and lens shape: 2. Carries commands to an extraocular eye muscle, the superior oblique muscle: 3. Carries commands to an extraocular eye muscle, the lateral rectus muscle: 4. Carries information from olfactory receptor cells in the nose: 5. Carries commands to muscles of facial expression (orbicularis oculi, etc.) and to glands, and carries information from taste buds in the tongue: 6. Carries commands to a pharyngeal muscle and gland, and carries information concerning taste or touch in the oral cavity and pharynx: 7. Splits into three branches; carries commands to the muscles of mastication (temporalis, etc.) and information from facial skin: 8. Carries commands to the tongue: 9. Carries commands to, and information from, many internal organs: 10. Carries information from…e ATION All of the following are true EXCEPT Select one: a. The middle cerebellar peduncles connect the pons to the cerebellum and carry efferent information from the cerebral cortex and the pontine nuclei into the cerebellum. b. In all cases, damage in one hemisphere of the cerebellum (left or right) affects that same side of the body c. This retention of learned motor skills is called motor memory which is mastermind by the Cerebellum d. The cerebellum has three (3) regions: an outer cortex of gray matter, internal white matter called the arbor vitae ("tree of life"), and deeply situated gray matter called deep cerebellar nuclei. O e. The cerebellum consists of two expanded Cerebellar hemispheres, that are not connected medially by the wormlike vermis. Next page
- The limbic system is composed of several interconnected structures including the olfactory bulbs, amygdala, hypothalamus, hippocampus, parahippocampal gyrus, cingulate gyrus, subcallosal gyrus, septal nuclei, mammillary bodies, and the thalamus. Pair each of these structures with their function listed below: -This limbic area is active when you are trying to memorize the names of brain areas. It is also severely atrophied in people suffering from late stages of Alzheimer’s Disease. -This limbic area is active when you are watching something that makes you feel sad. -This limbic area is active when you feel thirsty. -When the activity of this limbic area is increased you feel a sense of pleasure. -When this limbic area is damaged it often results in patients experiencing anterograde amnesia. -Damage to this limbic structure while rare often results in patients going into a coma. -This cortical limbic structure plays a large role in motivation and movement and has recently been…Many patiemts with progressive multiple sclerosis develop lesions in cervical spinal cordin addition to those in the brain. Lista ll cell types found in spinal cord and describe their normal function. In the case of last stage multiple sclerosis with a large lesion is the anterior column of the cervical spinal cord, what effect would you anticipate on each of these cell types? and further what signs and symptoms would you anticipate the patient to display?What defects might be produced by a bilateral lesion of the inferotemporal region of the cerebral cortex?
- Explain why nerve impulse propagation is compromised in patients with multiple sclerosis.Explain why the spinal cord is larger at C3-T1 and T9-T12.A person with polio has lost the use of his leg muscles. In which area of his spinal cord could you locate the poliovirus-infected motor neurons? Please mention the exact answer.