Synovial 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
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
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
Uric acid
The procedure for collecting synovial fluid is called:
A. Synovialcentesis
B. Arthrocentesis
C. Joint puncture
D. Arteriocentesis
Arthrocentesis
the following disorders with their appropriate group: Noninflammatory
Osteoarthritis
the following disorders with their appropriate group: inflammatory
Gout
Systemic lupus erythematosus
Rheumatoid arthritis
the following disorders with their appropriate group: septic
Neisseria gonorrhea infection
the following disorders with their appropriate group: hemorrhagic
Hemophilia
Normal synovial fluid resembles:
A. Egg white
B. Normal serum
C. Dilute urine
D. Lipemic serum
Egg white
Before testing, very viscous synovial fluid should be treated with:
A. Normal saline
B. Hyaluronidase
C. Distilled water
D. Hypotonic saline
Hyaluronidase
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
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
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
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
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
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
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
Calcium oxalate
Crystals associated with pseudogout are:
A. Monosodium urate
B. Calcium pyrophosphate dihydrate
C. Apatite
D. Corticosteroid
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
Wet preparation
Crystals that have the ability to polarize light are:
A. Corticosteroid
B. Monosodium urate
C. Calcium oxalate
D. All of the above
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
Yellow
- Negative birefringence occurs under red-compensated polarized light when:
A. Slow light is impeded more than fast light
B. Slow light is less impeded 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
Neisseria gonorrhoede
The chemical test performed most frequently on synovial fluid is:
A. Total protein
B. Uric acid
C. Calcium
D. Glucose
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
Acid phosphatase
Serologic 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
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
Green tinged
