Blood Quiz 3 Flashcards
Red blood cells also called? And shape?
Aka erythrocytes and are biconcave in shape
Life span of a RBC
120 days
Most adults have how many RBC’s? How often produced?
5 million RBC’s/ uL of blood * the body produces about 3 million per second
Hemoglobin transports what and where
Transports most of the O2 & about 23% of the CO2 between the tissues and the lungs
White blood cells aka & include ?
Aka Leukocytes
Includes:
-Granulocytes, neutrophils, eosinophils, basophils
-Agranulocytes, monocytes, lymphocytes
What are platelets
Cell fragments rather than intact cells
Platelets function
To stop bleeding by plugging holes in the blood vessels, release chemicals that make blood clot
Stem cells are for? & can be harvested from ?
For blood formation, may be harvested from the patients own marrow if their cancer is in remission; morrow from iliac crest of closely matches donor and/or umbilical cord from new born donation
Hemostasis
Is a sequence of events that prevents the loss of blood from blood vessels, Rapid, localized and carefully controlled, involves vascular spasm
Hemostasis function
Platelet plug formation and coagulation, can prevent hemorrhage if the damaged blood vessels are small
Functions of blood (4)
1-transports nutrients, wastes & gases
2-regulates pH
3-defends against infection
4-distribute heat
Which takes longer intrinsic or extrinsic pathway and what does it involve
Intrinsic pathway takes longer to complete and involves platelet phospholipids and Ca2+
An individual with type a blood has what antibodies?
Anti-B antibodies circulating