Cerebrospinal Fluid Flashcards
- A lumbar puncture should NOT be performed if the patient has:
a. Dementia or acute states of acute confusion
b. Infection such as encephalitis or meningitis
c. Inflammation over or near the puncture site
d. Unexplained seizures or multiple sclerosis
c. Inflammation over or near the puncture site
- Which of the following is NOT a membrane surrounding the brain?
a. Arachnoidea
b. Dura mater
c. Pia mater
d. Subarachnoid
d. Subarachnoid
- Central nervous system epithelial cells include (select all that apply):
a. Choroidal cells
b. Endothelial cells
c. Ependymal cells
d. Pia-arachnoid mesothelial cells
a. Choroidal cells
c. Ependymal cells
d. Pia-arachnoid mesothelial cells
- A small amount of CSF is formed by the:
a. Cerebral ventricles capillaries
b. Dura mater and pia mater
c. Ependymal lining cells
d. Ventricular choroid plexuses
c. Ependymal lining cells
- Water-soluble substances that rapidly diffuse across the blood-brain barrier include (select all thatapply):
a. Alcohol
b. Chloride
c. Glucose
d. Protein
b. Chloride
c. Glucose
- Pellicle formation in CSF requires:
a. Centrifugation
b. Culture
c. Refrigeration
d. Staining
c. Refrigeration
- CSF may appear oily if the patient has:
a. A hemorrhage
b. Had a myelogram
c. Multiple sclerosis
d. Normal CSF
b. Had a myelogram
- Typically, the protocol for the performance of CSF analysis when three tubes are collected is which order for cell counts, chemistries, microbiology?
a. 1, 2, 3
b. 2, 1 , 3
c. 3, 1 , 2
d. 3, 2, 1
c. 3, 1 , 2
- A cranial hemorrhage is indicated by CSF that is colored:
a. Pink
b. Red
c. Xanthochromic
d. All of these
d. All of these
1 0. The concentration of proteins found in
CSF is:
a. Equal to that of serum
b. Greater than that of serum
c. Less than that of serum
c. Less than that of serum
- Cells that are normally seen in CSF include (select all that apply):
a. Erythrocytes
b. Lymphocyte
c. Monocytes
d. Neutrophils
b. Lymphocyte
c. Monocytes
- Cells that may be seen in clusters resembling tumor cells may be:
a. CNS lining cells
b. Macrophages
c. Nucleated RBCs
d. None of these
a. CNS lining cells
1 3. The presence of siderophages in CSF indicates:
a. A normal finding
b. Meningitis
c. Old hemorrhage
d. Traumatic tap
c. Old hemorrhage
1 4. The presence of nucleated red blood cells in CSF indicates:
a. A normal finding
b. Meningitis
c. Old hemorrhage
d. Traumatic tap
d. Traumatic tap
1 5. The presence of which cell may be the only abnormality in multiple sclerosis?
a. Choroidal cells
b. Eosinophils
c. Macrophages
d. Plasma cells
d. Plasma cells
- Malignant cells seen in CSF:
a. Can be of CNS origin
b. Can be leukemia cells
c. Metastasize from other sites
d. May be all of these
d. May be all of these
- CSF protein levels are:
a. Higher than serum levels
b. Independent of puncture site
c. Decreased in hyperthyroidism
d. Increased in young adults
c. Decreased in hyperthyroidism
- A myelin basic protein level of 2 ng/mL indicates
a. Brain hypoxia
b. Head trauma
c. Myelopathy
d. Normal results
d. Normal results
- Meningitis results in:
a. Decreased CSF glucose and decreased CSF protein
b. Decreased CSF glucose and increased CSF protein
c. Increased CSF glucose and decreased CSF protein
d. Increased CSF glucose and increased CSF protein
b. Decreased CSF glucose and increased CSF protein
- If only a small amount of CSF is obtained, which is the most important procedure to perform first?
a. Cell count
b. Chemistries
c. Immunology
d. Microbiology
d. Microbiology
