29 Flashcards
(80 cards)
- The anatomical structures associated with the circulation of CSF are
A. ventricles and subarachnoid spaces
B. subarachnoid space and pia mater
C. ependyma and pia mater
D. arachnoid mater and pia mater
A. ventricles and subarachnoid spaces
*2. CSF production is associated with the
A. arachnoid mater and pia mater
B. choroid plexus and ependymal lining
C. arachnoid mater and subarachnoid space
D. subarachnoid space and pia mater
B. choroid plexus and ependymal lining
*3. CSF is collected from an intervertebral space between the
_ and
vertebrae.
A. T4, T5
B. L2, L3
C. L3, L4
D. L4, L5
D. L4, L5
- Tube 1 is commonly used for
A. gross examination, cell counting, and morphology examination
B. microbial examination
C. chemical and serological examination
D. a discard tube
C. chemical and serological examination
- Tube 2 is commonly used for
A. gross examination, cell counting, and morphology examination
B. microbial examination
C. chemical and serological examination
D. a discard tube
B. microbial examination
- Tube 3 or the final tube is commonly used for
A. gross examination, cell counting, and morphology examination
B. microbial examination
C. chemical and serological examination
D. a discard tube
A. gross examination, cell counting, and morphology examination
- A cloudy and turbid specimen is most commonly caused by
A. increased fibrinogen
B. subarachnoid hemorrhage
C. subarachnoid hemorrhage (more than 12 hours after the bleed)
D. increased numbers of leukocytes
D. increased numbers of leukocytes
*8. A grossly bloody specimen is most commonly caused by
A. increased fibrinogen
B. subarachnoid hemorrhage
c. subarachnoid hemorrhage (more than 12 hours after the bleed)
D. pleocytosis
B. subarachnoid hemorrhage
*8. A grossly bloody specimen is most commonly caused by
A. increased fibrinogen
B. subarachnoid hemorrhage
c. subarachnoid hemorrhage (more than 12 hours after the bleed)
D. pleocytosis
B. subarachnoid hemorrhage
- A xanthochromic (yellow color) specimen is most commonly caused by
A. increased fibrinogen
B. subarachnoid hemorrhage
C. subarachnoid hemorrhage (more than 12 hr bleed)
D. pleocytosis
C. subarachnoid hemorrhage (more than 12 hr bleed)
- Gel formation in a specimen is most commonly caused by
A. increased fibrinogen
B. subarachnoid hemorrhage
C. subarachnoid hemorrhage (more than 12 hours after the bleed)
D. pleocytosis
A. increased fibrinogen
*11. Intraventricular rupture of brain abscess is associated with
A. lymphocytosis
B. increased polymorphonuclear segmented neutrophils (PMNs)
C. macrophages
D. extremely elevated leukocyte count in CSF
D. extremely elevated leukocyte count in CSF
*12. Viral infection is associated with
A. lymphocytosis
B. increased polymorphonuclear segmented neutrophils (PMNs)
C. macrophages
D. extremely elevated leukocyte count in CSF
E. normal leukocyte reference range for CSF
A. lymphocytosis
- A leukocyte count of 0 to 5 x 10^6/L is associated with
A. lymphocytosis
B. increased polymorphonuclear segmented neutrophils (PMNs)
C. macrophages
D. normal leukocyte reference range for CSF
D. normal leukocyte reference range for CSF
*14. Bacterial infection is associated with
A. lymphocytosis
B. increased polymorphonuclear segmented neutrophils (PMNs) in CSF
C. macrophages
D. normal leukocyte reference range for CSF
B. increased polymorphonuclear segmented neutrophils (PMNs) in CSF
*15. CNS leukemia or lymphoma is associated with
A. lymphocytosis
B. increased polymorphonuclear segmented neutrophils (PMNs)
C. macrophages
D. extremely elevated leukocyte count in CSF
C. macrophages
- Normal CSF contains
A. lymphocytes and ependymal cells
B. ependymal and choroidal cells
C. mesothelial and ependymal cells
D. erythrocytes and leukocytes
A. lymphocytes and ependymal cells
- The cell count on a CSF specimen should be performed within _ of collection.
A. 30 minutes
B. 1 hour
c. 2 hours
D. 12 hours
E. 22 hours
B. 1 hour
- Clotting in CSF may be caused by
A. increased protein concentration
B. increased electrolyte concentration
C. increased glucose concentration
D. the presence of bacteria
A. increased protein concentration
- An increased total leukocyte count in a CSF specimen can be caused by
A. bacterial meningitis
B. viral meningoencephalitis
C. intravascular rupture of a brain abscess
D. both A and C
D. both A and C
- An increase in the number of lymphocytes in a CSF specimen can be caused by
A. multiple sclerosis
B. viral meningoencephalitis
C. fungal meningitis
D. all of the above
D. all of the above
- Based on the information in case 29.1, the observation of cloudy
CSF samples suggests
A. normal condition of a CSF specimen
B. viral infection of the meninges
C. parasitic infection of the brain
D. bacterial infection present
D. bacterial infection present
- Based on the information in case 29.1, the differential diagnosis for the patient could be
A. multiple sclerosis
B. acute brain hemorrhage
C. pulmonary embolism
D. bacterial meningitis
D. bacterial meningitis
- Which of the following is (are) characteristic of an effusion?
A. Abnormal accumulation of fluid
B. Can be a transudate
C. Can be an exudate
D. All of the above
D. All of the above