Book: 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
Removal of cartilage debris
The primary function of synoviocytes is to:
A. Provide nutrients for the joints
B. Secrete hyaluronic acid
C. Regulate glucose filtration
D. Prevent crystal formation
Provide nutrients for the joints
Which of the following is not a frequently performed test
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
Match the following disorders with their appropriate group:
A. Noninflammatory
B. Inflammatory
C. Septic
D. Hemorrhagic
Gout
Neisseria gonorrhoeae infection
Systemic lupus erythematosus
Osteoarthritis
Hemophilia
Rheumatoid arthritis
Heparin overdose
B
C
B
A
D
B
D
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
Addition of a cloudy, yellow synovial fluid to acetic acid
produces a/an:
A. Yellow-white precipitate
B. Easily dispersed clot
C. Solid clot
D. Opalescent appearance
Easily dispersed clot
Which of the following could be the most significantly
affected 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 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:
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 dialysis patients 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
Blue
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
Blue
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
Slow light is less impeded than fast light
Synovial fluid cultures are often plated on chocolate agar to detect the presence of:
A. Neisseria gonorrhoeae
B. Staphylococcus agalactiae
C. Streptococcus viridans
D. Enterococcus faecalis
Neisseria gonorrhoeae
The most frequently performed chemical test 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. Lactate
D. Uric acid
Lactate
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
Pseudogout
