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OT Neuro
Question | Answer |
---|---|
What are the 3 Meninges of the Brain? | Dura Mater, Arachnoid Mater, Pia Mater |
Where is the Dura Mater Located? | Surrounds the brain and consists of an outer layer firmly bound to the inside of the skull |
Where is the Arachnoid Mater? | membrane attached to the Dura Mater |
Where is the Pia Mater? | Tightly wrapped around the brain and spinal cord |
Name the 3 Spaces in the Brain? | Epidural, Subdural, Subarachnoid |
The Epidural is made up of what? | Fat and connective tissue |
The Subdural Space contains what? | interstitial fluid |
The Subarachnoid Space contains what? | CSF |
What does the blood-brain barrier do? | Controls which molecules in the blood stream will enter the CNS |
What molecules can cross the blood brain barrier? | Glucose, Ions, Amino Acids, and lipid soluble substances Oxygen, alcohol, anesthetics |
What can cause a break down in the blood brain barrier? | Trauma, toxins, and inflammation |
What percent of drugs cannot cross the blood Brain brarrier? | 98% |