Blood

Question 1

Functions of Blood (3)

Answer 1

• transportation
• regulation
• protection

Question 2

Amount of blood

Answer 2

• 38-48% is composed of various blood cells

- 52-62% of blood volume is plasma

Question 3

Color of blood

Answer 3

Arterial: bright red
Venous: Darker, dull red color

Question 4

pH of blood

Answer 4

• normal pH range 7.35-7.45

- slightly alkaline

Question 5

Viscosity of blood

Answer 5

• thickness or resistance to flow

- approximately 3-5 times thicker than water

Question 6

Plasma

Answer 6

• Liquid part of blood
• Most of the carbon dioxide produced by cells is carried in the plasma
• Prothrombin and Fibrinogen

Question 7

what kind of proteins does the plasma contain and where is it synthesized?

Answer 7

• plasma protein
• liver
• Albumin &Globulins

Question 8

Albumin

Answer 8

• in plasma

- maintenance of blood pressure

Question 9

Globulins

Answer 9

-(alpha & beta) to act as carriers and beta globulins that are antibodies produced by lymphocytes

Question 10

beta globulins

Answer 10

antibodies produced by lymphocytes

Question 11

RBC

Answer 11

• Erythrocytes
• Biconcave discs
• Only cell without a nuclei

Question 12

RBC function

Answer 12

• Carries oxygen

- Some carbon dioxide is carried through the RBC’s-only about 10% of total CO2 transport

Question 13

RBC- Production and Maturation

Answer 13

• Formed in red bone marrow
• Hemocytoblasts
• Erythopietin

Question 14

RBC- life span

Answer 14

• Approximately 120 days
• Iron is recycled on repeat
• Heme cannot be recycled and is a waste product

Question 15

where do blood types come from?

Answer 15

-Genetic: inherited genes from our parents

Question 16

ABO group contains how many blood types

Answer 16

• 4
• Anti a,b
• Anti a and b
• neither anti a or b

Question 17

Rh factor

Answer 17

• Antigen- Rh positive

- Rh and Pregnancy

Question 18

WBC- how many types

Answer 18

5

Question 19

WBC aka

Answer 19

Leukocytes

Question 20

WBC

Answer 20

• Have a nuclei
• Produced in red bone marrow
• Functions in tissue fluid and blood

Question 21

WBC function

Answer 21

• Protect body from infection and disease

- Produces immunity to certain diseases

Question 22

Neutrophils and monocytes capable of…?

Answer 22

phagocytosis

Question 23

Phagocytosis

Answer 23

ingestion of microorganisms by WBCs

Question 24

Eosinophils function in WBC

Answer 24

detoxify foreign proteins

Question 25

Basophils function in WBC

Answer 25

contains heparin and histamines

Question 26

Lymphocytes

Answer 26

- memory for immunity | - T-cells, B-cells, Natural killer cells

Question 27

heparin

Answer 27

- chem. that inhibits blood clotting | - produced by basophil

Question 28

histamine

Answer 28

- inflammatory chem. released by damaged tissues as a cry for help - help: stimulates increased capillary permeability and vasodilation

Question 29

Platelets aka

Answer 29

Thrombocytes

Question 30

Platelets- life span

Answer 30

-5-10 days

Question 31

Thrombopoietin

Answer 31

Hormone produced by the liver that increases the rate of platelet production

Question 32

Platelets- function

Answer 32

Necessary for hemostasis

Question 33

3 ways of preventing blood loss

Answer 33

1) Vascular Spasm 2) Platelet Plugs 3) Chemical Clotting

Question 34

How does Basophil prevent abnormal clotting?

Answer 34

produces heparin

Question 35

How does Antithrombin prevent abnormal clotting?

Answer 35

inactivates excess thrombin

Question 36

How does Thrombosis prevent abnormal clotting?

Answer 36

clotting in an intact vessel

Question 37

How does Embolism prevent abnormal clotting?

Answer 37

thrombus that has migrated and lodged in and obstructs a vessel