midterm 2

Question 1

what cells are CD59 found on

Answer 1

platelet, red blood cells, endothelial cells, and leukotrienes

Question 2

what are the three receptors which prevent polymerization of C9 and the formation of the anchor?

Answer 2

collectins, CD59, and vitronectin

Question 3

what two molecules does LBT4 attract

Answer 3

LBT4 is a chemoattractant that attracts neutrophils and eosinophils (two granulocytes)

Question 4

what do prostacyclins do?

Answer 4

inhibit platelet aggregation and increase vasodilation

Question 5

what converts C3 and C5 to convertase

Answer 5

mast cell and eosinophil protease granules

Question 6

what converts thrombrinogen to thrombin

Answer 6

pro-kallikrein and coagulation factors X, XI, XII, VII and VIII

Question 7

what degrades fibrinogen, fibrin and platelet clotting?

Answer 7

Plasminogen is converted plasmin by the fibrinolytic system

Question 8

what three cells have C5a and C3a receptors?

Answer 8

mast cells, eosinophils and basophils

Question 9

what can MASP do in respect to blood clotting?

Answer 9

can activate thrombrin and cause fibrin formation

Question 10

what blood clotting factors can act as c3 convertase?

Answer 10

kallkrien, coagulation factor Xl, XI and IX