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M4: Blood
| Question | Answer |
|---|---|
| How many basic blood types are there? | 8 |
| Blood accounts for how much of one's body weight? | 8% |
| What type of tissue is blood? | Connective |
| What does blood transport and distribute? | Oxygen, nutrients, waste products, hormones |
| What does blood help regulate and maintain? | Temperature, pH levels, fluid volume |
| What does blood help prevent? | Infection and blood loss |
| What transfusable products can be derived from blood? | Red cells, platelets, plasma, cryoprecipitate |
| What are the main components of blood? | Erythrocytes, leukocytes, platelets, plasma |
| What are erythrocytes? | Red blood cells |
| What do RBCs (erythrocytes) do? | Carry oxygen and carbon dioxide |
| What percentage of blood volume are RBCs (erythroctes)? | 45% |
| What is the proper term for red blood cell? | Erythrocyte |
| What are Leukocytes? | White blood cells |
| What is the proper term for white blood cell? | Leukocyte |
| What do WBCs (leukocytes) do? | Defend the body from toxins and foreign microbes |
| What are platelets? | Cell fragments |
| What do platelets do? | Help with clotting |
| What percentage of blood volume are platelets? | < 1% |
| What percentage of blood volume are WBCs (leukocytes)? | < 1% |
| What is the composition of plasma? | 90% water, 10% solutes (proteins, electrolytes, gases, hormones, waste products) |
| What percentage of blood volume is plasma? | 55% |
| What are electrolytes? | Anions and cations that help regulate blood chemistry, maintaining it's pH and proper osmotic pressure |
| What makes up the bulk of blood by weight? | Plasma proteins |
| What is hemostasis? | The stopping of a flow of blood |
| Process of hemostasis | 1. Constriction of blood vessels 2. Platelets gather and create a plug 3. Fibrin threads reinforce the plug and help pull the tear together |
| Hemophilia | The inability to create and effective fibrin clot leading to prolonged bleeding (internal and external). |
| What are the markers on RBCs called? | Antigens |
| How does the body respond to blood with a foreign antigen? | Coagulation |
| If you have a particular antigen will your body contain the corresponding antibody? | No |
| If you have a particular antibody can you receive blood with that antigen? | No |
| What are the two major groupings of antibodies? | AB and Rh |
Created by:
greentomatoes
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