Question

1. Describe the blood brain barrier

2. Describe the pathophysiology of parkinson's disease

3. Describe the mechanism of action of the dopaminergic medications to treat parkinson's. How do these medications reduce symptoms? Is there a cure for parkinson's

4. Describe the pathophysiology of Alzheimer's Disease

5. Describe the mechanism of action of the drugs for cognitive impairment (page 193). How do these medications achieve a therapeutic effect in Alzheimer's disease.  

6. Describe the pathophysiology of multiple sclerosis

7. Describe the mechanism of action of the disease modifying drugs used to treat MS

8. Discuss 3 major nursing implications to medication used to treat MS and how these would be attended to

9. Describe the 5 ways in which antiepileptic drugs (AEDs) work to reduce seizures

10. Discuss two teaching points for a patient that is starting phenytoin

11. How do centrally acting muscle relaxants work to relieve spasticity?

Answer 1

Answer: The blood brain barrier is a kind of semipermeable wall of the endothelial cells which are highly selective. These semipermeable border mainly prevents the solutes to get in to the blood circulation or crossing the fluid of the CNS.

The main function of the blood brain barrier is to prevent our brain from getting infections. It protects the entering of the pathogens to the brain. It acts as a barrier.It only allows only nutrients to reach to the brain.