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Ch. 24 CNS
Ch 24 CNS Merrills
Question | Answer |
---|---|
How many spinal nerves are there? | 31 pairs |
What are the 2 main parts of the CNS? | brain, spinal cord |
What is the largest part of the brain? | cerebrum |
What is the name of the large band of nerve fibers between the right and left hemisphere? | corpus callosum |
What is the name of the nerves at the end of the spinal cord? | cauda equina |
What are the 3 layers that enclose the brain and spinal cord? | Pia matter, arachnoid, Dura matter |
Name the 2 interventional radaiology procedures used to treat compression fractures in the spine? | Vertebroplasty, kyphoplasty |
4 irregular shaped cavities that communicate with one another through connecting channels? | ventricles |
____________ is the preferred examination method for assessing disc disease in patients with contraindications to MRI. | Myelography |
Where does the spinal cord end? | L-1 to L-2 space |
A lumbar puncture is made at ________ or _________ space. | L-2, L-3 or L-3, L-4 |
What is an example of a contraindication for an MRI when a lumbar puncture is needed? | pacemaker, metal fusion rods |
How much of an angle is needed for post myelogram procedure? | 30 to 45 degrees |
What is the degree of angle needed for a lumbar puncture? | 0 degrees |
AVM's, seizures, and metastatic disease is common indications for this type of modality with and without contrast. | CT |
What is often the first choice to evaluate head injuries and spine trauma? | CT |
What modality is used for assessing MS? | MRI |
This modality is useful in the evaluation of Alzheimers, Huntingtons disease, cancer, and Schizophrenia? | PET Positron emission tomography |