1.

Cerebrospinal fluid A. Is an ultrafiltrate of plasma. B. Is the main source of the brain’s nutrition. C. Has the same pH as arterial blood. D. Has a higher glucose concentration than has plasma. E. Has a higher calcium concentration than has plasma.

Answer»

A. False It is secreted actively by the choroid plexuses. 

B. False Brain nutrition is delivered mainly by cerebral blood flow. 

C. False It is around 7.3 compared with 7.4 in blood. 

D. False It is about two-thirds that of plasma. 

E. False About half; protein-bound calcium is negligible in CSF.



Discussion

No Comment Found

Related InterviewSolutions