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17 Cards in this Set

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What is blood?

Blood is a connective tissue composed of formed elements (cells and cell fragments) and intercellular material (plasma).
What is the composition of blood?


Plasma- 55%


Buffy Coat- 1% Leukocytes and platelets


Erythrocytes- 45%

Amounts of blood in adult male/female


Male- 5-6 liters


Female- 4-5 liters

What is Hematocrit? What are the figures for adult males and females?

Hematocrit is the % by volume of the blood that is composed of packed red blood cells




Males- 47% +/- 5%


Female- 42% +/- 5%

Composition of plasma


90% water


10% solutes


- Plasma proteins from liver


- Nutrients


- Hormones


- Wastes


- Dissolved gasses

Observations of plasma


Color- Yellow with white sediment


Transparency- Clear


pH- 7


Consistency- Watery

Formed elements


RBC- anucleate that carry oxygen and carbon dioxide on hemoglobin 4-6x10^6/mm^3


WBC- nucleated cells that provide immunity


4800-10800 cells/mm^3 blood


Platelets- cell fragments used for hemostasis


150,000-400,000 cells/mm^3 blood

AGran or Gran?

Type?

%?

Cause of influx?

AGran or Gran?




Type?




%?




Cause of influx?

Gran




Neutrophils- multilobed nucleus, pale red and blue cytoplasmic granules.




50-70% of cells




acute infection


phagocytic

AGran or Gran?

Type?

%?

Cause of influx?

AGran or Gran?




Type?




%?




Cause of influx?

Gran




Eosinophils- bilobed nucleus, red cytoplasmic granules




2-4%




Allergic reaction


Parasitic infection


Asthma

AGran or Gran?

Type?

%?

Cause of influx?

AGran or Gran?




Type?




%?




Cause of influx?

Gran




Basophil- bilobed nucleus, purpleish black cytoplasmic granules




0.5-1%




Histamine


Heparin

AGran or Gran?

Type?

%?

Cause of influx?

AGran or Gran?




Type?




%?




Cause of influx?

Agran




Lymphocyte- large spherical nucleus, thin rim of pale blue cytoplasm




25-45%




Immunity

AGran or Gran?

Type?

%?

Cause of influx?

AGran or Gran?




Type?




%?




Cause of influx?

Agran




Monocytes- kidney shaped nucleus abundant blue cytoplasm




3-8%




Chronic Infection

What are platelets

Platelets (thrombocytes) are fragments derived from megakaryocytes from the bone marrow. They prevent blood loss.
What type of antigen does type A blood have?

anti-B antigen
What type of antigen does type B blood have?

anti-A antigen
What type of antigen does type AB blood have?

Neither anti-A or anti-B
What type of antigen does Type O have?

Both anti-A or Anti-B