Platelet Ultrastructure

Question 1

Contstitutes matrix or muscle and skeletal portion

Answer 1

Sol-Gel Zone

Question 2

Main PL in outer layer

Answer 2

Phosphatidylcholine and sphingomyelin

Question 3

Main PL in Cytoplasm

Answer 3

Phosphatidylinositol, phosphatidylethanolamine, phosphatidylserine

Question 4

Thickness of Glycocalyx

Answer 4

20-30 nm

Question 5

Electrical charge of glycocalyx

Answer 5

Negative

Question 6

It sequesters the Ionic calcium

Answer 6

DTS

Question 7

DTS houses the enzymes:

Answer 7

PLA2
CO
TS

Question 8

GP Ia/IIa other nomenclature

Answer 8

a2B1

Question 9

Ligand of a2B1

Answer 9

Collagen

Question 10

GP Ia/IIa CD

Answer 10

CD29, CD49b

Question 11

Ligand of avB1

Answer 11

Vitronectin

Question 12

Ligand of a5B1

Answer 12

Laminin

Question 13

Ligand of a6B1

Answer 13

Fibronectin

Question 14

GP VI is a member of

Answer 14

Ig family

Question 15

GP VI ligand

Answer 15

Collagen

Question 16

GP IIb/IIIa other nomenclature

Answer 16

aIIbB3

Question 17

GPIIb/IIIa CD

Answer 17

CD41, CD61

Question 18

Ligand of GP IIb/IIIa

Answer 18

vWF, Fibrinogen

Question 19

GP Ib/IX/V ligand

Answer 19

vWF, thrombin

Question 20

GP Ib/IX/V CD

Answer 20

CD42a
CD42b
CD42c
CD42d

Question 21

Microfilaments is composed of

Answer 21

actin

Question 22

Intermediate filaments

Answer 22

Desmin and Vimentin

Question 23

P-selectin CD marker

Answer 23

CD62

Question 24

FcyIIA CD marker

Answer 24

CD32

Question 25

Associated with heparin-induced thrombocytopenia

Answer 25

FcyIIA

Question 26

PECAM CD marker

Answer 26

CD31

Question 27

Mediates PLT to WBC and PLT to EC adhesion

Answer 27

PECAM

Question 28

Assoxiated with Immune reaction and inflammation

Answer 28

ICAM ( CD50, CD54, CD102)