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19 Cards in this Set

  • Front
  • Back

What are the 3 main functions of blood?

- Transportation


- Regulation


- Protection

What is blood?

a liquid connective tissue

Compare oxyhemoglobin & deoxyhemoglobin

- Oxyhemoglobin: bright red, enriched with oxygen. Arterial blood


- Deoxyhemoglobin: dark red, oxygen poor. Venous blood

Define hemopoiesis and where it occurs

Formation of blood cells. Occurs in red bone marrow of long bones

What are red blood cells?

Biconcave discs without nuclei that contain hemoglobin

What is the term for the process of RBC formation that occurs in adult red bone marrow?

Erythropoiesis

What hormone is produced by the _____ that controls RBC production?

Hormone: erythropoiesis


Kidneys

What is the function of white blood cells?

Combats inflammation and infection

What are the 2 types of WBCs that combat inflammation during allergic reactions?

Eosinophils and basophils

What are platelets?

Disc-shaped cell fragments without nuclei. Take part in hemostasis by forming a platelet plug

Define hemostasis

the stoppage of bleeding

What 3 processes are involved in hemostasis?

- Vascular spasm


- Platelet plug formation


- Blood clotting

Define clot

network of insoluble protein fibres in which formed elements of blood are trapped

Define thombosis

unbroken blood vessel

What is an embolus?

a thrombus that moved from its original site

What on a RBC determines blood type?

Antigens

What is the universal blood donor?

O-

What is the universal blood recipient?

AB+

Which blood type is most common in North America?

O+