Chapter 12 blood

Functions of blood

Transport nutrients and oxygen, removes metabolic wastes and carbon dioxide

What are formed elements

Platelets, red and white blood cells

What is plasma composed of

Water, amino acids, proteins, carbs, lipids, vitamins, hormones, electrolytes, cellular waste

Hematocrit definition

Percentage of RBC in blood

Percentage of formed elements in blood

45%

Percentage of plasma in blood

55%

Average lifespan of red blood cell

120 days

Element necessary for formation of hemoglobin

Iron

Hemocytoblast description

Parent cell that produces all blood cells by dividing

Granulocytes description

Have granular cytoplasm

Arangulocyte description

Does not have granular cytoplasm

Neutrophils function

Destroy bacteria, stains purple

Eosinophils function

Fights parasites and moderate inflammation, stains deep red

Basophils function

Release histamine and heparin during allergic and inflammatory response, stains blue

Monocytes function

Leaves blood stream and phagocytize pathogens and dead cells

Lymphocytes function

Attack specific foreign pathogen

Platelet function

Repair damaged blood vessels by adhering to their broken edges

Hemostasis definition

Stoppage of bleeding

Steps of hemostasis

Vascular spasm, platelet plug formation, blood coagulation

What needs to be the same for blood transfusions

Blood type and RH factor

Type A antigens and antibodies

A, Anti-B

Type B antigens and antibodies

B, Anti-A

Type AB antigens and antibodies

A and B antigens, Neither A or B antibodies

Type O antigens and antibodies

Neither antigen, Both A and B antibodies

Type A- permissible blood type donor

O-

Type A+ permissible blood type donor

A-, O-, O+

Type B- permissible blood type donor

O-

Type B+ permissible blood type donor

B-, O-, O+

Type AB- permissible blood type donor

A-, B-, O-

Type AB+ permissible blood type donor

AB-, A-, A+, B-, B+, O-, O+

Type O- blood type donor

Only O-

Type O+ permissible blood type donor

O-

Agglutination definition

Clumping together of red blood cells

What happens during incompatible blood transfusion

Agglutination

Universal recipient

Type AB+

Universal donor

Type O-

RH factor definition

Antigen found on surface of RBC

RH factor pregnancy issues preventative medication

RhoGAM