The life span of platelets is about…….
a) 1-2 days
b) 5-10 days
c) 2-9 days
d) 7-12 days
Which of the following helps mainly in blood clotting?
a) red blood cells (RBCs)
b) white blood cells (WBCs)
c) platelets
d) all of these
When the blood vessels are damaged, the blood start oozing out, ………..gather at the site.
a) red blood cells (RBCs)
b) platelets
c) white blood cells (WBCs)
d) all of these
During blood clotting, plasma fibrinogen is converted into…….
a) collagen
b) actin
c) fibrin
d) myosin
During blood clotting, plasma fibrinogen is converted into fibrin by …….
a) red blood cells (RBCs)
b) white blood cells (WBCs)
c) platelets
d) both a and b
Fibrin threads make a mesh in which……….are entangled.
a) red blood cells (RBCs)
b) white blood cells (WBCs)
c) platelets
d) both a and c
