18 Questions
What is the function of cerebrospinal fluid in the CNS?
Providing mechanical support for the brain
Which cells lining the ventricles mainly produce cerebrospinal fluid?
Ependymal cells
Increased intracranial pressure can manifest as which of the following symptoms?
Papilledema (swelling of the optic disc)
What is the normal range of protein concentration in cerebrospinal fluid?
50 - 85 mg/100 ml
Which condition might be indicated by an abnormally low glucose concentration in cerebrospinal fluid?
Meningitis
What is the normal range of chloride concentration in cerebrospinal fluid?
116 - 122 mM
What is the main site for cerebrospinal fluid (CSF) absorption?
Arachnoid villi
Which structure adds more CSF in the 3rd ventricle?
Choroid plexus
What occurs at the lateral and median apertures in the 4th ventricle?
CSF secretion
Which condition would lead to compression of arachnoid villi tips, preventing blood reflux?
High CSF pressure
What happens when the venous pressure exceeds cerebrospinal fluid (CSF) pressure?
Reflex of blood into subarachnoid space
Which structure prevents CSF from flowing back into the 3rd ventricle?
Choroid plexus in 4th ventricle
What sign is characterized by flexion of the hip at a 90-degree angle followed by pain during extension of the leg?
Kernig’s Sign
What is the most common symptom of meningitis?
Fever
Where is a lumbar puncture typically performed for cerebrospinal fluid (CSF) analysis?
Level of L3 - L4
Which condition could cause an increase in white blood cells (WBC) count in the cerebrospinal fluid?
Encephalitis
What is a common sign of increased intracranial pressure?
Headache
Which factor would imply a change in vascular permeability when found in the cerebrospinal fluid?
Increase in WBC count
Learn about the absorption of cerebrospinal fluid (CSF) through arachnoid villi and its control of CSF pressure. Explore the clinical condition of meningitis, including its causes and differences between viral and bacterial infections.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
