Blood Quiz Flashcards
Blood is what kind of tissue?
The only liquid tissue
What makes up the solid portion of blood?
Blood cells
What makes up the liquid portion of blood?
Plasma
What is the breakdown of blood?
45% red blood cells, less than 1% white blood cells and platelets, 54% plasma
What does scarlet red blood mean?
Oxygen rich
What does dull red or purple blood mean?
Oxygen poor
How much blood does the average male have?
About 5-6 liters (about 6 quarts)
How much of plasma is water?
90%
What is the function of plasma?
Water balance, regulation of pH, clotting, and immune defense
What are erythrocytes?
Red Blood Cells that are anucleate
What is hemoglobin?
Iron bearing protein that transports oxygen
What is the main function of erythrocytes?
To carry oxygen (4 molecules each)
What are leukocytes?
White Blood cells, critical to the immune system
What is the ratio of RBC to WBC?
11(000):4(000)
Are WBCs anucleate?
No
What does a high WBC count indicate?
Disease particularly cancer
What does a low WBC count indicate?
Infection
What are neutrophils?
First to respond to bacteria or virus
What are eosinophils?
Known for their role in allergy symptoms
What are basophils?
Known for their role in athsma
What are lymphocytes?
Produce antibodies
What are monocytes?
Clean up dead cells
What are platelets?
Pieces of much larger cells, Vitally important in blood clotting
What is hematopoiesis?
Process of blood formation
Where does hematopoiesis occur?
Red bone marrow
What is hemostasis?
Blood clotting
What are the steps to blood clotting?
Platelet plug forms, Vascular spasms, Coagulation, fibrin is released, actual clot is formed, pulls edges of wound together
Where does blood filtering occur?
Spleen or liver if spleen is damaged
What are the 4 blood types?
A, B, AB, O
What are antigens?
Blood recognizers of self type
What are antibodies?
Defense against other types
What are the A antigens and antibodies?
A antigens, b antibodies
What are the B antigens and antibodies?
B antigens, A antibodies
What are the AB antigens and antibodies?
A and B antigens, no antibodies
What are the O antigens and antibodies?
No antigens, A and B antibodies (Universal donor, only O type recipient)
What happens if the wrong type of blood is given?
Antibodies produce coagulation which blocks vessels and may cause death. Treatment: LOTS of blood thinners
