10 Questions
What precautions are required for CSF removal?
Measurement of intracranial pressure and technique to prevent infection or neural tissue damage
How is the volume of CSF that can be removed determined?
Based on the volume available in the patient and the opening pressure of the CSF
Why is tube 1 used for chemical and serologic tests?
Because the chemical composition of the CSF does not resemble an ultrafiltrate of plasma
What are meninges?
Membranes lining the brain and spinal cord
How are capillary walls throughout the body lined?
By meninges lined with endothelial cells
Where is cerebrospinal fluid (CSF) produced?
Choroid plexuses of the four ventricles
What is the volume of CSF produced in adults per hour?
20 mL
Where is CSF reabsorbed into the blood?
Arachnoid granulations/villae
What is the function of the blood-brain barrier?
Prevent filtration of large molecules
Where is CSF collected for testing?
Between third to fifth lumbar vertebrae
Test your knowledge of CSF (cerebrospinal fluid) removal with this quiz. Explore the procedure, precautions, and considerations for removing CSF, and learn about the volume that can be safely removed.
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