When a cerebrospinal fluid specimen is needed for testing, the specimen is removed by needle from the L3-L4 interspace area of the vertebral column. Why?
A) There are no spaces between the other areas of the vertebral column.
B) There is a higher pressure within the subarachnoid space at that point, so it is easier to obtain a specimen.
C) There are no spinal nerves located in that area.
D) There would be no possible damage to the spinal cord itself when the needle is inserted into the space.
E) The space where the needle is inserted is larger than anywhere else along the vertebral column.
D) There would be no possible damage to the spinal cord itself when the needle is inserted into the space.
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