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Hema 2 > Lab Test Primary Hemostasis > Flashcards

Lab Test Primary Hemostasis Flashcards

1
Q

Disease under thrombocytosis

A

Polycythemia vera
Idiopathic thrombocythemia
CML
Splenectomy

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2
Q

Under thrombocytopenia

A 
Thrombocytopenia purpura
Aplastic anemia
Acute leukemia
Pernicious anemia
Gaucher disease
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3
Q

Determination of manual plt ct under direct

A

Rees ecker
Guy leake
Brecher cronkite
Unopette

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4
Q

Manual plt ct under indirect

A

Damashek’s
Fonio’s
Olef

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5
Q

Method for platelet estimate 8-20 platelets/field

A

Wedge smear

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6
Q

Automated

A

Particle 2-200fl

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7
Q

Marked decreased

A

0-49,000/ul

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8
Q

Low normal

A

150,000-199,000/ul

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9
Q

Moderate decreased

A

50,000-99,000 ul

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10
Q

Normal

A

200,000- 400,000ul

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11
Q

Marked increases

A

Above 800,000 ul

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12
Q

Slow dec

A

100,000-149,000

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13
Q

Slight increase

A

401,000-599,00 ul

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14
Q

Moderate increase

A

600,000-800,000 ul

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15
Q

Normal value of plt ct

A

150,000-400,000 x 10’9/L

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16
Q

Normal plt ct + prolonged BT

A

Qualitative platelet abnormality
Primary vascular abnormality
Von willebrand syndrome

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17
Q

Low plt ct + normal bt

A

Autoimmune thrombocytopenia

18
Q

Low plt ct + prolonged BT

A

Simultaneous quantitative and qualitative plt deficiency

19
Q

In vitro test to determine the ability of plt to aggregate with certain agonist

A 
Platelet aggregation
Epinephrine
Ristocetin
ADP
Collagen
20
Q

Platelet rich plasma + agonist

A

Optical density

21
Q

Detects in vitro adhesion

A

Platelet adhesiveness saizmann

22
Q

Decrease vwd

A

P rotutine procedure, collection

P collected through glass bead collecting system

23
Q

Measures the ability of platelet to adhere in glass surface

A

Platelet adhesiveness

24
Q

Computation in platelet adhesive

A

%PA: (PC1-PC2) / PC1 x 100

25
Q

Nv of vwd

A

26-30%

26
Q

Under clot retraction time

A

Castor Oil
Stefanini
Macfarlane

27
Q

Formation pf dimplings droplets like serum on the surface of the blood drop

A

Castor Oil or hirschboeck

28
Q

Nv pf castor oil

A

15-45 mins

29
Q

3-5ml of blod at 37 deg read after 1,2,16,18,24 hours

A

Stefanini

30
Q

5,l of blood at 37 deg read after 1 hr

A

Mcfarlane

31
Q

Nv of mcfarlane

A

44-67%

32
Q

Computation under clot retraction

A

Vol serum/TV X 100

33
Q

Measures capillaries to resist pressure correlate with the segree of thrombocytopenia

A

Capillary resistance test

34
Q

0-10 few

A

1+

35
Q

20-50 multiple on hand and arm

A

3+

36
Q

10-20 many

A

2+

37
Q

> 50 confluent on hand and arm

A

4+

38
Q

In vivo measure of primary hemostasis

A

Bleeding time

39
Q

Finger tip or earlobe

A

Dukes method

40
Q

Blood pressure cuff at 40 mmhg puncture on forearm

A

Ivys method

41
Q

Nv of BT

A

2-4mins

Hema 2 (10 decks)

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