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Clin Lab Exam 2 > Hematology > Flashcards

Hematology Flashcards

1
Q

Hgb Norm

A

12.3-15.3 g/dL

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2
Q

Hct Norm

A

36-45%

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3
Q

MCV Norm

A

80-96 fL/cell

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4
Q

Macrocytic anemia range

A

MCV > 96

Caused by Vit B12 or folate deficiency

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5
Q

RDW Norm

A

11.5-14.5%

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6
Q

Increased RBC count is ______

A

Polycythemia

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7
Q

Decreased RBC count is ______

A

Anemia

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8
Q

Increased immature RBC count is _____

A

Reticulocytosis

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9
Q

Low hgb indicates:

A

Anemia

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10
Q

Low hct indicates:

A

Anemia

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11
Q

Increased RDW is due to:

A

Folate deficiency, Vit B12 deficiency, and iron deficiency

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12
Q

Reticulocyte Norm range

A

0.5-2.5%

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13
Q

High Reticulocyte count indicates:

A

RBC destruction/loss

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14
Q

Vit B12 deficiency diagnosis test

A

Schillings test

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15
Q

Causes of Vit B12 deficiency:

A

Dietary deficiency, intrinsic factor deficiency

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16
Q

Causes of Folic Acid deficiency:

A

Pregnancy, diet deficiency, “Celiac disease”

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17
Q

Decreased ferritin indicates:

A

Iron deficiency anemia

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18
Q

Serum iron decrease indicates:

A

Iron deficiency anemia and anemia of chronic disease

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19
Q

Serum iron increase indicates:

A

Hemolytic anemia

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20
Q

Increased TIBC indicates:

A

Iron deficiency anemia

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21
Q

Decreased percent iron saturation indicates:

A

Iron deficiency anemia and anemia of chronic disease

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22
Q

Ferritin levels are normal in ______

A

Anemia of chronic disease

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23
Q

Decreased TIBC indicates:

A

Anemia of chronic disease

24
Q

Reticulocyte count is normal in ______ and ______

A

iron deficiency anemia of chronic disease

25
Q

Normacytic anemia range and types:

A

80-96
Acute blood loss
Hemolytic anemia
Anemia of chronic disease

26
Q

Coombs test is used to diagnose _______

A

Hemolytic anemia

27
Q

High Reticulocyte count indicates:

A

Acute blood loss and hemolytic anemia

28
Q

ESR Norm

A

1-20 mm/hr

29
Q

Increased ESR (>20 mm/hr) indicates:

A

RA and SLE

30
Q

WBC Norm

A

4.4-11.3 x 10^3 cells/microliter

31
Q

Mature Neutrophil Norm (segs/PMNs)

A

45-73%

32
Q

Immature neutrophil norm (“bands”)

A

3-5%

33
Q

Eosinophil norm

A

0-4%

34
Q

Basophil norm

A

0-1%

35
Q

Monocytes and macrophage norm

A

2-8%

36
Q

Lymphocyte norm

A

20-40%

37
Q

Increased Neutrophil/band indicates:

A

Bacteria, TB, stressors, corticosteroids

38
Q

Decreased neutrophils/bands due to:

A

Radiation

39
Q

Increased lymphocytes due to:

A

Virus

40
Q

Decreased lymphocytes due to:

A

HIV, corticosteroids, radiation

41
Q

Increased eosinophils due to:

A

Parasites, allergies

42
Q

Increased basophils due to:

A

TB, chronic infections

43
Q

Plt norm

A

150,000-450,000 cells/microliter

44
Q

Thrombocytopenia plt count

A

Less than 150,000 cells/microliter

45
Q

Cause of hyperdestructive Thrombocytopenia

A

High MPV

Caused by drugs (heparin) and autoimmune disease (SLE)

46
Q

Cause of hypoproductive Thrombocytopenia

A

Low MPV

Caused by aplastic anemia

47
Q

Thrombocytosis plt count

A

> 450,000 cells/microliter

48
Q

Causes of Thrombocytosis

A

Stress, infection, trauma, malignancy

49
Q

MPV norm

A

7-11 fL

50
Q

INR Normal range

A

0.9-1.2 (1.0)

51
Q

Therapeutic INR normal range w/ warfarin

A

2-3

52
Q

Antifactor Xa Assay used with _______

A

With heparin

53
Q

D-dimer norm

A

Less than 0.5 mcg/mL

54
Q

High d-dimer indicates:

A

Thromembolism (clot)

55
Q

RBC Norm

A

4.1-5.1 x 10^6 cells/microliter

56
Q

Microcytic anemia MCV range:

A

MCV less than 80

Clin Lab Exam 2 (6 decks)

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