Lab interpretation

Question 1

Blood is ___% body weight

Answer 1

6-8

Question 2

Blood is __% plasma and __% formed elements

Answer 2

55

45

Question 3

Women have __ L of blood and men have __ L

Answer 3

4.5-5.5

5-6

Question 4

Plasma is __% water and __% proteins

Answer 4

92

7

Question 5

Reticulocyte

Answer 5

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

Question 6

RBC production is stimulated by..

Answer 6

Erythropoietin

Question 7

Increased RBCs

Answer 7

Polycythemia

Question 8

Decreased RBCs

Answer 8

Anemia

Question 9

Life cycle of RBCs

Answer 9

120 days, 0.8% replaced daily

Question 10

85% of RBCs are recycled by…

Answer 10

Macrophages

Question 11

90% of iron is..

Answer 11

Recycled

Question 12

15% of RBCs are list through..

Answer 12

Hemolysis

Question 13

Decreased numbers of RBCs

Answer 13

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

Question 14

Hemoglobin is composed of

Answer 14

Heme (pigment), contains iron

Globin: protein

Question 15

Hemoglobin determines..

Answer 15

Cell size and color

Question 16

Hemoconcentration

Answer 16

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

Question 17

Hematocrit

Answer 17

Measurement (%) space occupied by RBCs in plasma

Question 18

Normal hematocrit values for men and women

Answer 18

Men 40-54%

Women 37-47%

Question 19

Hematocrit is about ___ hemoglobin

Answer 19

3x

Question 20

Reticulocyte count is only meaningful

Answer 20

In relation to total # or RBCs

Question 21

Increased relic count

Answer 21

Over production of RBCs
Hemolysis
Blood loss

Question 22

Decreased retic count

Answer 22

Deficiency of BM production
Iron deficiency
Anemua
Infection

Question 23

RBC indices

Answer 23

MCV, MCH, MCHC

Question 24

MCH

Answer 24

Mean corpuscular Hgb

Question 25

MCV

Answer 25

Mean corpuscular volume

Question 26

MCHC

Answer 26

Mean corpuscular Hgb concentration

Question 27

Function of platelets

Answer 27

Vascular integrity, clotting

Question 28

Normal platelet count

Answer 28

150,000-400,000 / mm3

Question 29

Platelets live

Answer 29

~7-10 days

Question 30

> 400,000 platelet count

Answer 30

Thrombocytosis

Question 31

Thrombocytosis

Answer 31

Myeloproliferative disorders
Splenectomy
Advanced cancer
Cirrhosis

Question 32

<150,000 platelets

Answer 32

Thrombocytopenia

Question 33

Thrombocytopenia

Answer 33

Idiopathic thrombocytopenia purpura
Chemotherapy
Anemias
Infection 
Toxins

Question 34

Clinical alert of platelets

Answer 34

<20,000

Question 35

WBCs normal

Answer 35

5,000-10,000 / mm3

Question 36

WBCs live..

Answer 36

12 hours in blood

Question 37

Granulocytes

Answer 37

50-70% WBC count

Question 38

Neutrophils

Answer 38

Primary defense against bacteria, stress

Question 39

Eosinophils

Answer 39

Inflammatory and allergic reactions
Parasitic infections
Diurnal rhythm highest in am

Question 40

Eosinophilia occurs in response to…

Answer 40

Worms
Wheezes
Weird diseases

Question 41

Basophils

Answer 41

Contain histamine and heparin
Migrate to tissue mast cells
Mosquito bite

Question 42

Stabs or bands

Answer 42

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

Question 43

Agranulocytes

Answer 43

20-40% WBCs

Question 44

Lymphocytes

Answer 44

20-40%

Indicator for viral infections and or chronic inflammation

Question 45

B lymphocytes

Answer 45

Humoral immunity

produce antibodies

Question 46

T lymphocytes

Answer 46

Cell mediated immunity

Question 47

Lymphocytosis

Answer 47

Viral infections
acute or chronic bacterial infections
Leukemia

Question 48

Decreased lymphocytes

Answer 48

Leukemia

Immune deficiency disorders

Question 49

Monocytes, macrophages

Answer 49

2-8%

Question 50

Monocytes, macrophages aid in…

Answer 50

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