12 SYNOVIAL FLUID Flashcards
The functions of synovial fluid include all of the following except:
A. Lubrication for the joints
B. Removal of cartilage debris
C. Cushioning joints during jogging
D. Providing nutrients for cartilage
B. Removal of cartilage debris
The primary function of synoviocytes is to:
A. Provide nutrients for the joints
B. Secrete protein
C. Regulate glucose filtration
D. Prevent crystal formation
A. Provide nutrients for the joints
Which of the following tests is not performed frequently on synovial fluid?
A. Uric acid
B. WBC count
C. Crystal examination
D. Gram stain
A. Uric acid
The procedure for collecting synovial fluid is called:
A. Synovialcentesis
B. Arthrocentesis
C. Joint puncture
D. Arteriocentesis
B. Arthrocentesis
Identify the appropriate group of the disorder:
GOUT
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
B. Inflammatory
Identify the appropriate group of the disorder:
Neisseria gonorrhoeae infection
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
C. Septic
Identify the appropriate group of the disorder:
Systemic lupus erythematosus
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
B. Inflammatory
Identify the appropriate group of the disorder:
Osteoarthritis
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
A. Noninflammatory
Identify the appropriate group of the disorder:
Hemophilia
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
D. Hemorrhagic
Identify the appropriate group of the disorder:
Rheumatoid arthritis
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
B. Inflammatory
Identify the appropriate group of the disorder:
Heparin overdose
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
D. Hemorrhagic
Normal synovial fluid resembles:
A. Egg white
B. Normal serum
C. Dilute urine
D. Lipemic serum
A. Egg white
Before testing, very viscous synovial fluid should be treated with:
A. Normal saline
B. Hyaluronidase
C. Distilled water
D. Hypotonic saline
B. Hyaluronidase
The color of the synovial fluid from a patient with a bacterial infection may be:
A. Yellow tinged
B. Green tinged
C. Red streaked
D. Opalescent
B. Green tinged
Which of the following could be affected most
significantly if a synovial fluid is refrigerated before testing?
A. Glucose
B. Crystal examination
C. Mucin clot test
D. Differential
B. Crystal examination
The highest WBC count can be expected to be seen in patients with:
A. Noninflammatory arthritis
B. Inflammatory arthritis
C. Septic arthritis
D. Hemorrhagic arthritis
C. Septic arthritis
When diluting a synovial fluid WBC count, all of the following are acceptable except:
A. Acetic acid
B. Isotonic saline
C. Hypotonic saline
D. Saline with saponin
A. Acetic acid
The lowest percentage of neutrophils would be seen in patients with:
A. Noninflammatory arthritis
B. Inflammatory arthritis
C. Septic arthritis
D. Hemorrhagic arthritis
A. Noninflammatory arthritis
All of the following are abnormal when seen in synovial fluid except:
A. Neutrophages
B. Ragocytes
C. Synovial lining cells
D. Lipid droplets
C. Synovial lining cells
Synovial fluid crystals that occur as a result of purine metabolism or chemotherapy for leukemia are:
A. Monosodium urate
B. Cholesterol
C. Calcium pyrophosphate
D. Apatite
A. Monosodium urate
Synovial fluid crystals associated with inflammation in
patients on dialysis are:
A. Calcium pyrophosphate dihydrate
B. Calcium oxalate
C. Corticosteroid
D. Monosodium urate
B. Calcium oxalate
Crystals associated with pseudogout are:
A. Monosodium urate
B. Calcium pyrophosphate dihydrate
C. Apatite
D. Corticosteroid
B. Calcium pyrophosphate dihydrate
Synovial fluid for crystal examination should be
examined as a/an:
A. Wet preparation
B. Wright’s stain
C. Gram stain
D. Acid-fast stain
A. Wet preparation
Crystals that have the ability to polarize light are:
A. Corticosteroid
B. Monosodium urate
C. Calcium oxalate
D. All of the above
D. All of the above
In an examination of synovial fluid under compensated
polarized light, rhomboid-shaped crystals are observed.
What color would these crystals be when aligned
parallel to the slow vibration?
A. White
B. Yellow
C. Blue
D. Red
B. Yellow
If crystals shaped like needles are aligned perpendicular to the slow vibration of compensated polarized light, what color are they?
A. White
B. Yellow
C. Blue
D. Red
C. Blue
Negative birefringence occurs under red-compensated
polarized light when:
A. Slow light is impeded more than fast light
B. Slow light is impeded less than fast light
C. Fast light runs against the molecular grain of the crystal
D. Both B and C
C. Fast light runs against the molecular grain of the crystal
Often synovial fluid cultures are plated on chocolate agar to detect the presence of:
A. Neisseria gonorrhoeae
B. Staphylococcus agalactiae
C. Streptococcus viridans
D. Enterococcus faecalis
A. Neisseria gonorrhoeae
The chemical test performed most frequently on
synovial fluid is:
A. Total protein
B. Uric acid
C. Calcium
D. Glucose
D. Glucose
Which of the following chemistry tests can be performed on synovial fluid to determine the severity of RA?
A. Glucose
B. Protein
C. Acid phosphatase
D. Uric acid
C. Acid phosphatase
Serological tests on patients’ serum may be performed to detect antibodies causing arthritis for all of the following disorders except:
A. Pseudogout
B. Rheumatoid arthritis
C. Systemic lupus erythematosus
D. Lyme arthritis
A. Pseudogout
