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MT6325 > 2S [LAB]: ESR > Flashcards

2S [LAB]: ESR Flashcards

1
Q

Refers to the speed of settling of RBCs in anticoagulated blood

A

ESR

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2
Q

Measures the distance and speed of fall of RBCs in plasma in a tube of a standard bore and length after standing perpendicularly

A

ESR

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3
Q

Most important factor influencing ESR

A

Plasma proteins

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4
Q

How many minutes is the initial period of aggregation or rouleaux formation in ESR determination?

A

10 mins

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5
Q

How many minutes is the period of fast settling in ESR determination?

A

40 mins

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6
Q

How many minutes is the final period of packing in ESR determination?

A

10 mins

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7
Q

Most commonly used manual method of ESR determination

A

Modified Westergren Erythrocyte Sedimentation Rate

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8
Q

Method of ESR determination recommended by the International Council for Standardization in Hematology and CLSI

A

Modified Westergren Erythrocyte Sedimentation Rate

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9
Q

ESR determination method that uses two sides (0-10 and 10-0)

A

Wintrobe-Landsberg Method

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10
Q

The most sensitive method of ESR determination

A

Westergren method

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11
Q

ESR determination that can be used for the serial study of chronic diseases like TB, carcinoma, and others

A

Westergren method

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12
Q

Normal value in Wintrobe-Landsberg method

A

M: 0-10 mm/hr
F: 0-20 mm/hr

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13
Q

Normal value in Westergren method

A

M: 0-15 mm/hr
F: 0-17 mm/her

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14
Q

Anticoagulant of choice in Graphic or Cutler method of ESR determination

A

3.8% sodium citrate

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15
Q

Volume of blood used in Graphic or Cutler method of ESR determination

A

0.8 mL

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16
Q

Anticoagulant of choice in Linzenmeier method of ESR determination

A

3% sodium citrate

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17
Q

Tube used in ESR determination that is 65 mm in length, 5 mm in diameter, and has a capacity of 1 mL

A

Linzenmeier

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18
Q

Anticoagulant of choice in Bray’s method of ESR determination

A

1.3% sodium citrate

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19
Q

Tube used in ESR determination that can be used for hematocrit and LE cell preparation

A

Bray’s tube

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20
Q

An ESR determination method that is a modification of Linzenmeier-Raunter method

A

Micro Landau

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21
Q

A tube used in ESR determination that is calibrated 0-50 mm and has two graduation marks, one at 12.5 mm and another at 62.5 mm, with a small bulb similar to RBC and WBC pipettes

A

Micro-Landau tube

22
Q

ESR determination method used for infants and children when venipuncture may not be practical

A

Smith Micro

23
Q

In automated ESR system by Vega Biomedical, the determination takes only how many minutes to finish?

24
Q

The automated ESR system by Vega Biomedical is comparable to which ESR determination method?

A

Westergren method

25
Q

Automated ESR system by Vega Biomedical:

Four samples at one time

26
Q

Automated ESR system by Vega Biomedical:

20 samples at one time; print results

27
Q

Automated ESR system by Vega Biomedical:

60 samples at one time, print results and identifies sample by a barcode readers

A

Ves-Matic 60

28
Q

Identify the effect in ESR determination:

Tilted column

A

False increase

29
Q

Identify the effect in ESR determination:

Hemolysis

A

False increase

30
Q

Identify the effect in ESR determination:

Increased room temperature

A

False increase

31
Q

Identify the effect in ESR determination:

Clotted sample

A

False decrease

32
Q

Identify the effect in ESR determination:

Excess anticoagulant

A

False decrease

33
Q

Identify the effect in ESR determination:

Old blood

A

False decrease

34
Q

Identify the effect in ESR determination:

Chronic inflammatory conditions

35
Q

Identify the effect in ESR determination:

Bacterial infection

36
Q

Identify the effect in ESR determination:

Tissue damage

37
Q

Identify the effect in ESR determination:

Severe anemia

38
Q

Identify the effect in ESR determination:

Pregnancy

39
Q

Identify the effect in ESR determination:

Polycythemia

A

Normal to decreased

40
Q

Identify the effect in ESR determination:

Sickle cell anemia

A

Normal to decreased

41
Q

Identify the effect in ESR determination:

Spherocytosis

A

Normal to decreased

42
Q

Identify the effect in ESR determination:

Conditions with poikilocytosis

A

Normal to decreased

43
Q

Length of Westergren tube

44
Q

Bore of the Westergren tube

45
Q

T/F: Westergren tube has an open bottom

46
Q

T/F: Wintrobe tube has an open bottom

47
Q

Calibration of Westergren tube

48
Q

Anticoagulant of choice in Westergren method

A

3.8% trisodium citrate

49
Q

Length of Wintrobe tube

50
Q

Bore of the Wintrobe tube

51
Q

Anticoagulant of choice in Wintrobe method

A

Hellen and Paul’s double oxalate

MT6325 (14 decks)

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