Neurosurgery
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is contained within the subarachnoid space? | 1. CSF
2. cerebral arteries
3. superficial cerebral veins
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| Dentate ligaments | Portion of the pia mater that stretches from midpoint between the dorsal and ventral roots of the lateral spinal cord surface to attach to the arachnoid and dura. Stabilizes the spinal cord.
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| What is the CSF content of: 1. glucose 2. protein 3. PMNs | 1. 45-80 mg/dL (2/3 serum)
2. < 45 mg/dL
3. none
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| 1. How much CSF is produced each day? 2. How much CSF is contained within the ventricles at one time? | 1. 450 mL
2. 150 mL
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| Where is most of the CSF reabsorbed into the venous sinuses? | arachnoid granulations at the superior sagittal sinus
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| At what pressure gradient will CSF be transmitted from collapsing tubules to the venous system? | 3-6 cm H2O
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| What are the normal ICP values of: 1. adults 2. young children 3. infants | 1. <10-15 mm Hg
2. 3-8 mm Hg
3. 1.5-6 mm Hg
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| 1. Site that induces emesis when stimulated toxins in the blood. 2. Where in the brain is it located? | 1. area postrema
2. fourth ventricle
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Created by:
amichael@siumed.edu
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