Reading...
Play button
Play button
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;
15 Cards in this Set
- Front
- Back
|
What makes up blood?
Plasma is __% volume of blood. |
55
|
|
|
conents of plasma is?
|
proteins/minerals/glucose/hormones/CO2/platelets/blood cells
|
|
|
Hematocrit is?
|
the percentage of blood composed of cells
Normally 40-45% 15g of Hg in men 14g of Hg in women |
|
|
RBCs-Erythrocytes-
Most _____ blood cell. Biconcave disks Production of RBCs is? Life span? |
abundant blood cell.
very flexible, easily deformed produced during gestation; yolk sac, liver, spleen, lymph nodes, after birth; from bone marrow life span= 120 days |
|
|
Functions of RBCs include?
|
transport hemoglobin (main function)
contains enzyme carbonic anhydrase - causes rxns turn CO2 into bicarbonate ion, HCO3 is transported in plasma, not RBC |
|
|
Genesis of blood cells-
Pluripotential hematopoietic stem cell is? |
bone marrow cell that all blood cells derived from
|
|
|
growth inducers are?
|
proteins that induce growth of stem cells
|
|
|
differentiation inducers are?
|
proteins that induce differentiation.
|
|
|
Vitamin B12 and folic acid are necessary for?
|
maturation of RBCs.
|
|
|
growth and differentiation facrtors can be affected by other factors like amount of?
|
O2, disease etc...
|
|
|
Regulation of RBC production-
anything causing decreased tissue oxygenation will lead to? |
increased RBC production
-altitude, destruction of bone marrow, anemia, cardiac failure, lung disease |
|
|
Erythropoietin- a glycoprotein hormon formed mainly in?
|
kidneys responsible for stimulating RBC production during times of hypoxia
|
|
|
Platelets- aka thrombocytes
formed by fragmentation of the precursor cell? Function of platelets is? |
megakaryocyte.
hemostasis: blood clotting growth factor source |
|
|
White blood cells- leukocytes-
involved in immunity, Increased number is usually a sign of ? |
disease
|
|
|
types of leukocytes are?
Granulocytes. Agranulocytes. |
granulocytes: neutrophils, basophils, eosinophils
agranulocytes; lymphocytes, monocytes, macrophages |
