central nervous system Flashcards
cerebrospinal fluid: explain the composition, circulation and functions of cerebrospinal fluid (CSF) and recall the total volume and flow rate
1
Q
where is cerebrospinal fluid produced
A
choroid plexus
2
Q
composition of cerebrospinal fluid vs plasma
A
similar to plasma (high Na+, low K+) but lower glucose, much lower protein, lower Ca2+, lower K+, higher Cl-, higher Mg2+, slightly lower pH
3
Q
functions of CSF
A
cushioning, nutrition, removing waste, immune cells
4
Q
where does CSF return to blood stream
A
arachnoid villus