ERYTHROCYTE SEDIMENTATION RATE

Question 1

Measures the degree of settling of RBCs in plasma in anticoagulated whole blood

Answer 1

ERYTHROCYTE SEDIMENTATION RATE

Question 2

is the distance in millimeters that the RBCs fall in 1 hour

Answer 2

ERYTHROCYTE SEDIMENTATION RATE

Question 3

ESR is non-specific measurement used to detect and monitor ________

Answer 3

Inflammatory responses

Question 4

Most important factor affecting ESR:

Answer 4

Fibrinogen Factor

Question 5

↑ Fibrinogen (inflammation) =

Answer 5

↑ ESR

Question 6

Anticoagulant for ESR

Answer 6

EDTA/ 0.105m Na citrate

Question 7

• Length = 300 mm
• Ext bore diameter = 5.5 mm
• Int bore diameter = 2.5 mm
• Graduation – 0-200 mm

Answer 7

Westergren Method

Question 8

• Length = 115 mm
• Int bore diameter = 3 mm
• Graduation – 0-100 mm

Answer 8

Wintrobe Method

Question 9

Acute/Chronic infections

Answer 9

Increased

Question 10

Multiple Myeloma / Waldenstrom’s

Answer 10

Increased

Question 11

Hyperfibrinogenemia

Answer 11

Increased

Question 12

Anemia, Macrocytosis

Answer 12

Increased

Question 13

AMI, ESRD, RA, DM, Gout

Answer 13

Increased

Question 14

Neoplastic disease

Answer 14

Increased

Question 15

Pregnancy, menstruation

Answer 15

Increased

Question 16

Polycythemia / Pancytosis

Answer 16

Decreased

Question 17

Poikilocytes

Answer 17

Decreased

Question 18

Microcytosis

Answer 18

Decreased

Question 19

Hypofibrinogenemia

Answer 19

Decreased

Question 20

Hypogammaglobulinemia

Answer 20

Decreased

Question 21

Newborn

Answer 21

Decreased

Question 22

MECHANICAL/TECHNICAL FACTORS:
High temperature, tilted ESR tube, vibration:

Answer 22

Falsely High ESR

Question 23

3o tilt = up to _____ error

Answer 23

30%

Question 24

Low temperature, old sample, bubbles in ESR tube

Answer 24

Falsely low ESR

Question 25

ESR Temperature: 20-25oC; test should be performed within _____ after blood collection if kept at room temperature

Answer 25

4 hours