Posted by righteous dude on Monday, August 24, 2009 at 6:11am.
What is your specific question? The assignments seem pretty clear to me.
i think its either multiple sclerosis or Parkinson disease not to sure stil need more research
If you search the reading material for the patients name you will find the information needed to answer the first scenario. Just type "Myelin" into the adobe reader search bar.
done thie before:
1. What nervous system disease is Myelin suffering from?
The disease is Multiple Sclerosis
2. What could have caused Myelin's disease?
It’s an autoimmune disease and exact causes are still unknown.
3. What structure(s) and function(s) of the nervous system are affected by this disease?
The neurons of nervous system involving the brain and spinal cord are affected. Actually a special coating called myelin covers axons of these neurons, which improves the conduction of electric impulses between them. In multiple sclerosis, this myelin sheath is lost or inflamed or destroyed leading to formation of a scar over the axons.
This leads to less effective communication between neurons and hence symptoms of multiple sclerosis, like vision is affected.
4. What can be done to treat this disease?
There is no exact cure yet and medications are mainly provided to control the progress of disease. Special chemicals called beta interferons are used to regulate the immune system like betaseron. Also glatiramer acetate, a synthetic form similar to myelin is used.
Mitoxantrone, an anticancer drug is used by intra-venous route, to weaken the immune system, as this helps in decreasing the symptoms of Multiple sclerosis.
1. What nervous system disease is Jimmy suffering from?
It is Meningitis i.e. inflammation of meningitis of brain.
2. What could have caused Jimmy's disease?
It is commonly viral in origin and called viral meningitis (less dangerous though). It is caused by viruses like enteroviruses, varicella zoater virus, mumps virus, etc. Bacterial meningitis is rare but can be deadly and caused by Neisseria meningitis, Streptococcus pneumonia, Staphylococci.
3. What structures and functions of the nervous system are affected by this disease?
The meningitis i.e. the 3 membranes that line the brain and spinal cord are affected. They are Dura mater, arachnoid and pia mater. Due to inflammation of these membranes, there is fever, neck stiffness, confusion, nausea and vomiting. Children may be irritable, may not eat well.
4. What can be done to treat this disease?
Bacterial meningitis requires administration of intravenous antibiotics. The type of antibiotic used depends on the causing organism. They should be started earlier in the course of disease to prevent mortality. Patients also require symptomatic treatment like Intravenous fluids and also rest and should be kept under observation. Management is same for viral meningitis except that it doesn’t require antibiotics.
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