Platelets ( thrombocytes) Flashcards
1
Q
Characteristics
____________________________________/mm3
A
150,000 to 350,000
2
Q
Characteristics
_______________ µm in diameter
A
2 to 4
3
Q
characteristics
play a role in blood __________________
A
clotting
4
Q
Functions of ____________________
A
platelets
5
Q
Function
Two roles: what are they?
A
Hemostatis, Coagulation
6
Q
Hemostasis is the stoppage of blood flow via platelet ___________
A
plugs
7
Q
platelet plugs are formed by platelets ___________________ together
A
sticking
8
Q
______________________ is the formation of fibrin clots
A
Coagulation
9
Q
Formation and life span of _________________
a. Hemopoietic stem cells (hemocytoblasts) form megakaryoblasts, which form ___________________________, which form platelets
b. Average survival about ___ days
A
platelets
megakaryocytes
7
