Stras: 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 hyaluronic acid
C. Regulate glucose filtration
D. Prevent crystal formation
B. Secrete hyaluronic acid
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
A. Uric acid
The procedure for collection of synovial fluid is called:
A. Synovialcentesis
B. Arthrocentesis
C. Joint puncture
D. Arteriocentesis
B. Arthrocentesis
Match the following disorders with their appropriate group:
Gout
Inflammatory
Match the following disorders with their appropriate group:
N. gonorrhoeae infection
Septic
Match the following disorders with their appropriate group:
Lupus erythematosus
Inflammatory
Match the following disorders with their appropriate group:
Osteoarthritis
Noninflammatory
Match the following disorders with their appropriate group:
Hemophilia
Hemorrhagic
Match the following disorders with their appropriate group:
Rheumatoid arthritis
Inflammatory
Match the following disorders with their appropriate group:
Heparin overdose
Hemorrhagic
Normal synovial fluid resembles:
A. Egg white
B. Normal serum
C. Dilute urine
D. Lipemic serum
A. Egg white
Powdered anticoagulants should not be used in tubes for synovial fluid testing because it interferes with:
A. Cell counts
B. Glucose tests
C. Crystal examination
D. Differentials
C. Crystal examination
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
B. Easily dispersed clot
To determine if a fluid is synovial fluid, it should be mixed with:
A. Sodium hydroxide
B. Hypotonic saline
C. Hyaluronidase
D. Acetic acid
D. Acetic acid
The highest WBC count can be expected to be seen 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 neutophils would be seen in:
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. RA cells
B. Reiter cells
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 dialysis patients are:
A. Calcium pyrophosphate
B. Calcium oxalate
C. Corticosteroid
D. Monosodium urate
B. Calcium oxalate
Crystals associated with pseudogout are:
A. Monosodium urate
B. Calcium pyrophosphate
C. Apatite
D. Corticosteroid
B. Calcium pyrophosphate
Synovial fluid for crystal examination should be examined as a/an:
A. Wet preparation
B. Wright 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, rhombic-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
C. 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
C. Blue
Negative birefringence occurs under 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
D. Both B and C
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
A. Neisseria gonorrhoeae
The most frequently performed chemical test on synovial fluid is:
A. Total protein
B. Uric acid
C. Calcium
D. Glucose
D. Glucose
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. Lupus erythematosus
D. Lyme arthritis
A. Pseudogout
Serologic testing of synovial fluid for fibrinogen and C-reactive protein is performed to:
A. Determine clot formation
B. Determine the amount of inflammation
C. Detect osteoarthritis
D. Diagnose rheumatoid arthritis
B. Determine the amount of inflammation
