Which of the following statements about CSF glucose is false?
A) Increased CSF glucose values are diagnostically significant
B) Glucose enters the CSF by active transport and simple diffusion
C) Decreased CSF glucose values reflect a defective blood-brain barrier and increased glycolysis
D) CSF glucose values reflect the plasma glucose concentration 30 to 90 minutes preceding collection
Question 2
An IgG index greater than 0.77 is indicative of:
A) Intrathecal synthesis of IgG
B) A compromised bloodbrain barrier
C) Active demyelination of neural proteins
D) Increased transport of IgG from plasma into the CSF