CSF analysis exam questions with
complete solutions6
Cerebrospinal fluid (CSF) is produced primarily from
A. secretions by the choroid plexus.
B. diffusion from plasma into the central nervous system.
C. ultrafiltration of plasma in the ventricles of the brain.
D. excretions from ependymal cells lining the brain and spinal cord. - ANSWERS-A
Cerebrospinal fluid is found between the
A. arachnoid and dura mater.
B. arachnoid and pia mater.
C. pia mater and dura mater.
D. pia mater and choroid plexus. - ANSWERS-B
Which of the following statements regarding CSF is true?
A. Cerebrospinal fluid is constantly produced.
B. Cerebrospinal fluid is reabsorbed into the blood at the choroid plexus.
C. Cerebrospinal fluid is essentially composed of diluted plasma.
D. Cerebrospinal fluid circulates through the brain and spinal cord because of active and passive
diffusion processes. - ANSWERS-A
Which of the following substances does not normally pass through the blood-brain barrier?
A. PO2
B. Albumin
, C. Glucose
D. Fibrinogen - ANSWERS-D
During a lumbar puncture procedure, the first collection tube of CSF removed should be used
for
A. chemistry tests.
B. cytologic studies.
C. hematologic tests.
D. microbiological studies. - ANSWERS-A
Which of the following is not an analytical concern when the processing and testing of CSF are
delayed?
A. The viability of microorganisms
B. The lability of the immunoglobulins
C. The lysis of leukocytes and erythrocytes
D. Alterations in the chemical composition - ANSWERS-B
Pleocytosis is a term used to describe
A. an increased number of cells in the CSF.
B. a pink, orange, or yellow CSF specimen.
C. an increased protein content in the CSF caused by cellular lysis.
D. inflammation and sloughing of cells from the choroid plexus. - ANSWERS-A
All of the following can cause xanthochromia in CSF except
A. high concentrations of protein.
B. high concentrations of bilirubin.
C. increased numbers of leukocytes.
complete solutions6
Cerebrospinal fluid (CSF) is produced primarily from
A. secretions by the choroid plexus.
B. diffusion from plasma into the central nervous system.
C. ultrafiltration of plasma in the ventricles of the brain.
D. excretions from ependymal cells lining the brain and spinal cord. - ANSWERS-A
Cerebrospinal fluid is found between the
A. arachnoid and dura mater.
B. arachnoid and pia mater.
C. pia mater and dura mater.
D. pia mater and choroid plexus. - ANSWERS-B
Which of the following statements regarding CSF is true?
A. Cerebrospinal fluid is constantly produced.
B. Cerebrospinal fluid is reabsorbed into the blood at the choroid plexus.
C. Cerebrospinal fluid is essentially composed of diluted plasma.
D. Cerebrospinal fluid circulates through the brain and spinal cord because of active and passive
diffusion processes. - ANSWERS-A
Which of the following substances does not normally pass through the blood-brain barrier?
A. PO2
B. Albumin
, C. Glucose
D. Fibrinogen - ANSWERS-D
During a lumbar puncture procedure, the first collection tube of CSF removed should be used
for
A. chemistry tests.
B. cytologic studies.
C. hematologic tests.
D. microbiological studies. - ANSWERS-A
Which of the following is not an analytical concern when the processing and testing of CSF are
delayed?
A. The viability of microorganisms
B. The lability of the immunoglobulins
C. The lysis of leukocytes and erythrocytes
D. Alterations in the chemical composition - ANSWERS-B
Pleocytosis is a term used to describe
A. an increased number of cells in the CSF.
B. a pink, orange, or yellow CSF specimen.
C. an increased protein content in the CSF caused by cellular lysis.
D. inflammation and sloughing of cells from the choroid plexus. - ANSWERS-A
All of the following can cause xanthochromia in CSF except
A. high concentrations of protein.
B. high concentrations of bilirubin.
C. increased numbers of leukocytes.
