Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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+ |