Cerebrospinal Fluid Analysis

What is the approximate rate of cerebrospinal fluid (CSF) production per day?

Which of the following is NOT a function of the cerebrospinal fluid (CSF)?

Which body part is responsible for the production of cerebrospinal fluid (CSF)?

What is the total volume range of CSF in adults?

Which medical condition would require CSF analysis for diagnosis?

Besides supplying nutrients, what other function does the cerebrospinal fluid (CSF) serve?

What is the rate of CSF formation in adults per day?

Where is CSF collected from by lumbar puncture?

What is the normal range of pressure for collecting CSF from an adult?

What is the ratio of serum to CSF protein concentration?

What is responsible for maintaining the difference in Na+, Cl-, and Mg2+ levels between serum and CSF?

Which condition does NOT lead to increased CSF protein levels?

What is the main source of energy for the brain?

In which condition would you expect to find yellow-colored CSF?

"CSF may clot if the ratio of blood to CSF is high." What is usually responsible for this clotting?

"Blood and CSF glucose equilibrate after 4 hours." What does this imply for CSF glucose level at a given time?

Cerebrospinal fluid (CSF) is primarily composed of about 90% water.

The rate of CSF production is approximately 500 ml/day.

CSF turnover rate is approximately 2.5 times a day.

CSF functions include CNS waste management and physical support & protection from trauma.

CSF analysis is required in the diagnosis of autoimmune disorders like Parkinson's disease.

The total CSF volume in adults typically ranges from 100 - 200 ml.

CSF glucose concentration is 60% of serum.

The ratio of serum to CSF protein is 200:1.

CSF may clot if the ratio of blood to CSF is high.

CSF color can be yellow due to jaundice and high protein levels.

CSF viscosity is equal to water in normal CSF.

CSF glucose level reflects the blood glucose level during the past 5 hours.

The main source of energy for the brain is glucose.

The composition of Na+, Cl-, and Mg2+ in CSF is same or greater than serum levels.

CSF analysis involves physical examination, biochemical investigations, and microscopic and microbiological examinations.

CSF proteins originate from serum and reach the cerebral space by endocytosis across the capillary endothelium.