Sample Flashcards
What is the primary function of cerebrospinal fluid (CSF)?
To cushion and protect the brain and spinal cord.
True or False: Cerebrospinal fluid is produced in the ventricles of the brain.
True.
What is the normal appearance of cerebrospinal fluid?
Clear and colorless.
Fill in the blank: The typical volume of cerebrospinal fluid in an adult is approximately ______ milliliters.
150.
What is the main site of cerebrospinal fluid absorption?
Arachnoid villi.
What is the significance of elevated white blood cell counts in CSF analysis?
It may indicate infection or inflammation.
Which pathogen is most commonly associated with bacterial meningitis in adults?
Streptococcus pneumoniae.
Multiple choice: Which of the following is NOT a common test performed on CSF?
Blood glucose level.
True or False: A lumbar puncture is a procedure used to collect cerebrospinal fluid.
True.
What is the typical protein concentration range in normal CSF?
15-45 mg/dL.
Fill in the blank: Bacterial meningitis typically shows a ______ glucose level in CSF.
Low.
Which type of cells are predominantly found in CSF during viral infections?
Lymphocytes.
What is the primary role of the blood-brain barrier in relation to CSF?
To regulate the passage of substances between the bloodstream and the brain.
Short answer: What is the clinical significance of a positive CSF culture?
It indicates the presence of infectious organisms.
Multiple choice: Which of the following conditions is typically characterized by a high protein level and normal glucose in CSF?
Multiple sclerosis.
True or False: CSF can be tested for the presence of oligoclonal bands to diagnose multiple sclerosis.
True.
What is the common method used to measure the opening pressure of CSF?
Manometry.
Fill in the blank: The presence of ______ in CSF may indicate a malignant process.
Malignant cells.
What is the role of glucose in cerebrospinal fluid?
To provide energy for neuronal metabolism.
Short answer: What is the significance of a CSF/serum glucose ratio less than 0.4?
It suggests possible bacterial meningitis.
Multiple choice: Which of the following tests can be performed on CSF to detect Tuberculosis?
Acid-fast bacilli smear.
True or False: CSF analysis can help differentiate between types of meningitis.
True.
What is the typical finding in CSF for a patient with Guillain-Barré syndrome?
Albuminocytologic dissociation.
Fill in the blank: The presence of ______ in CSF is a hallmark of neurosyphilis.
Treponema pallidum.
