|
Home > Preview
The flashcards below were created by user
Anonymous
on FreezingBlue Flashcards.
-
What characteristics of blood classify it as a connective tissue?
It is composed of cells and matrix (ground substance and fibers)
-
Name characteristics of blood
- pH of 7.35-7.45
- Temperature of 38C (100F)
- 8% of body weight
-
How much blood is in the average adult?
- Men 5-6 liters
- Women 4-5 liters
-
What are the major functions of blood?
- Regulation
- Distribution
- Protection
-
What does blood regulate?
- Temperature
- pH
- Fluid Volume
-
What does blood distribute?
- Gases (oxygen, carbon monoxide)
- Hormones
- Metabolic waste
-
How does blood protect?
Prevents blood loss via hemastasis, and infection
-
What are the two major components of blood and list their relative percentages?
- Erythrocytes 45%
- Plasma 54%
- (Leukocytes 1%)
-
What are the proteins found in plasma and list their relative percentages?
- Albumin 60%
- Globulins 36%
- Fibrinogen 4%
-
What is the function of albumin?
Maintains blood's osmotic pressure and buffers
-
What is the function of globulins?
Transports ions, hormones, and things with low solubility
-
What is the function of fibrinogen?
Forms fibrin threads of blood clot
-
List characteristics of erthrocytes
- 7.5 μm diameter and 2.5 μm thickness
- Biconcave discs
- 4-5 x 106 cells/mm3
-
What is the committed cell the forms erthrocytes?
Proerythroblast
-
What regulates erythropoiesis?
Erythropoietin (EPO) responding to hypoxia
-
Where in the body does phagocytosis of damaged RBCs occur?
Liver and spleen
-
What are the major groups of leukocytes?
Granulocytes and agranulocytes
-
What are the granulocytes and list their relative percentages of WBCs?
- Neutrophils 50-70%
- Eosinophils 2-4%
- Basophils <1%
-
What are the aganulocytes and list their relative percentages of WBCs?
- Lymphocytes 20-30%
- Monocytes 3-8%
-
What do neutrophils do?
- Phagocytosis of fungi and bacteria
- Increase in numbers during infection (examples appendicitis and meningitis)
-
What do eosinophils do?
- Phagocytosis of antigen antibody complexes
- Inflammation
- Release of enzymes that destroy parasitic worms
-
What do basophils do?
Release of histamine to dilate BV and heparin to prevent clotting
-
What do lymphocytes do?
- T lymphocytes attack viruses and tumor cells
- B lymphocytes differentiate into plasma cells
-
What do monocytes do?
Differentiate into macrophages in tissues
-
What committed cell forms the granulocytes?
Myeloblasts
-
What committed cells form monocytes?
Monoblasts
-
What committed cell forms lymphocytes?
Lymphoblasts
-
What committed cell forms platelets?
Megakaryoblasts
-
What regulates leukopoiesis?
- Interleukins (IL)
- Colony stimulating factors (CSF)
-
What are the major phases of hemostasis?
- Vascular phase
- Platelet phase
- Coagulation phase
-
What regulates thrombopoiesis?
Thrombopoietin
|
|
Get the free mobile app
Take the Quiz
Learn more
Learn more