Platelets Properties

Question 1

Platlet Properties

Answer 1

Adhesion
Aggregation
Activation n release

Question 2

Adhesion

Answer 2

Facilit vWF

Stick to exposed collagen, non/subendothelial surfaces-vWF….via GpIb on surface of plt

Question 3

Blood disorder, memb protein deficiency

Answer 3

GpIb receptor abs-bernard soulier syndrome
vWF in plasma-vW disease

Defective platelet adhesion

Question 4

Aggregtion

Answer 4

Stick to each other
Facilit- fibrinogen, GpIIb, GpIIIa
And thrombin, adp, paf

Question 5

Secretion

Answer 5

Activation- thrombin, adp
Oval to spherical,pseudopodia-contraction of actinomycin…on activ
Plat rel, open canalic syst, granular cont, seretonin