Chapter 16 Flashcards
1
Q
How much water in blood?
A
92%
2
Q
Cellular elements
A
red blood cells
white blood cells
platelets
3
Q
Plasma includes
A
water ions organic molecules trace element/vitamins gases
4
Q
What is hematopoiesis?
A
the formation of blood or any type of blood cells in the body
5
Q
Erythropoietin (EPO)
A
hormone found in kidney cells, influence the growth of red blood cells
6
Q
Thrombopoietin (TPO)
A
hormone found in liver, influence the growth of megakaryocytes
7
Q
How long do the red blood cell live?
A
120 days
8
Q
What are the 3 steps of hemostasis?
A
vascular spasm, the formation of a platelet plug, and coagulation
9
Q
Megakaryocytes are ___ cells with multiple copies of _____
A
giant, DNA
10
Q
What are the edges of megakaryocytes called?
A
they break off to form cell fragment called PLATELETS
11
Q
Von Williebrand factor
A
is a blood glycoprotein positive feedback
