How rapidly is the CSF volume replaced?
A) every 20 minutes
B) every 2 hours
C) every 8 hours
D) every 2 days
E) every week
C
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In the CNS all axons are myelinated, but in the PNS some are myelinated and some are unmyelinated
Indicate whether this statement is true or false.
Preganglionic fibers run from the _________ to the __________.
A. posterior root ganglia; gray matter B. posterior root ganglia; autonomic ganglia C. gray matter; posterior root ganglia D. gray matter; autonomic ganglia E. autonomic ganglia; visceral effectors
A young girl falls while riding her bicycle. Initially she seems fine, but later she complains of severe femoral pain. Where is her pain?
A. Her foot B. Her lower leg C. Her knee D. Her thigh
The medulla oblongata contains all the ascending and descending tracts that connect the spinal cord and various parts of the brain
a. True b. False Indicate whether the statement is true or false