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Nursing Assesment > Lab interpretation > Flashcards

Lab interpretation Flashcards

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1
Q

Blood is ___% body weight

A

6-8

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2
Q

Blood is __% plasma and __% formed elements

A

55

45

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3
Q

Women have __ L of blood and men have __ L

A

4.5-5.5

5-6

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4
Q

Plasma is __% water and __% proteins

A

92

7

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5
Q

Reticulocyte

A

Before erythrocyte, has a nucleus and when it loses it it becomes erythrocyte

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6
Q

RBC production is stimulated by..

A

Erythropoietin

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7
Q

Increased RBCs

A

Polycythemia

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8
Q

Decreased RBCs

A

Anemia

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9
Q

Life cycle of RBCs

A

120 days, 0.8% replaced daily

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10
Q

85% of RBCs are recycled by…

A

Macrophages

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11
Q

90% of iron is..

A

Recycled

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12
Q

15% of RBCs are list through..

A

Hemolysis

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13
Q

Decreased numbers of RBCs

A 
Blood loss 
RBC destruction 
Decreased production (lack of needed elements, myelosuppression)
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14
Q

Hemoglobin is composed of

A

Heme (pigment), contains iron

Globin: protein

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15
Q

Hemoglobin determines..

A

Cell size and color

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16
Q

Hemoconcentration

A

If a person is dehydrated, it will look like they have more hemoglobin

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17
Q

Hematocrit

A

Measurement (%) space occupied by RBCs in plasma

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18
Q

Normal hematocrit values for men and women

A

Men 40-54%

Women 37-47%

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19
Q

Hematocrit is about ___ hemoglobin

A

3x

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20
Q

Reticulocyte count is only meaningful

A

In relation to total # or RBCs

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21
Q

Increased relic count

A

Over production of RBCs
Hemolysis
Blood loss

22
Q

Decreased retic count

A

Deficiency of BM production
Iron deficiency
Anemua
Infection

23
Q

RBC indices

A

MCV, MCH, MCHC

24
Q

MCH

A

Mean corpuscular Hgb

25
Q

MCV

A

Mean corpuscular volume

26
Q

MCHC

A

Mean corpuscular Hgb concentration

27
Q

Function of platelets

A

Vascular integrity, clotting

28
Q

Normal platelet count

A

150,000-400,000 / mm3

29
Q

Platelets live

A

~7-10 days

30
Q

> 400,000 platelet count

A

Thrombocytosis

31
Q

Thrombocytosis

A

Myeloproliferative disorders
Splenectomy
Advanced cancer
Cirrhosis

32
Q

<150,000 platelets

A

Thrombocytopenia

33
Q

Thrombocytopenia

A 
Idiopathic thrombocytopenia purpura
Chemotherapy
Anemias
Infection 
Toxins
34
Q

Clinical alert of platelets

A

<20,000

35
Q

WBCs normal

A

5,000-10,000 / mm3

36
Q

WBCs live..

A

12 hours in blood

37
Q

Granulocytes

A

50-70% WBC count

38
Q

Neutrophils

A

Primary defense against bacteria, stress

39
Q

Eosinophils

A

Inflammatory and allergic reactions
Parasitic infections
Diurnal rhythm highest in am

40
Q

Eosinophilia occurs in response to…

A

Worms
Wheezes
Weird diseases

41
Q

Basophils

A

Contain histamine and heparin
Migrate to tissue mast cells
Mosquito bite

42
Q

Stabs or bands

A

Immature granulocytes
Increased in acute infections
“shift to the left”

43
Q

Agranulocytes

A

20-40% WBCs

44
Q

Lymphocytes

A

20-40%

Indicator for viral infections and or chronic inflammation

45
Q

B lymphocytes

A

Humoral immunity

produce antibodies

46
Q

T lymphocytes

A

Cell mediated immunity

47
Q

Lymphocytosis

A

Viral infections
acute or chronic bacterial infections
Leukemia

48
Q

Decreased lymphocytes

A

Leukemia

Immune deficiency disorders

49
Q

Monocytes, macrophages

A

2-8%

50
Q

Monocytes, macrophages aid in…

A 
Immunity against 
viral 
fungal 
protozoal 
mycobacterial 
infections
And active in cell mediated immunity

Nursing Assesment (17 decks)

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