Thrombosis

Question 1

Platelets bind to exposed

Answer 1

collagen

Question 2

endothelial cell injury lead to platelet a_____

Answer 2

aggregation

Question 3

Platelet aggregation is the first stage of t____ f______

Answer 3

thrombus formation

Question 4

What feedback loops are present?

Answer 4

Positive feedback loops (platelets being sticky lead to more platelets being sticky, fibrinogen converting to fibrin)

Question 5

What is a thrombosis?

Answer 5

Solid mass of blood constituents formed within intact vascular system during life

Question 6

What can cause a thrombosis?

Answer 6

Change in vessel wall, change in blood flow, change in blood constituents

Question 7

Aspirin inhibits p_______ a_______

Answer 7

platelet aggregation

Question 8

Covid increases the l___ production of clotting factors

Answer 8

liver’s

Question 9

F________ levels in a severely ill covid-19patient are 10–14 g/l compared with 2-4g/l normally

Answer 9

Fibrinogen

Question 10

What is an embolus?

Answer 10

Mass of material in the vascular system able to become lodged within a vessel and block it

Question 11

What is ischaemia?

Answer 11

Reduction in blood flow

Question 12

What is infarction?

Answer 12

Reduction in blood flow with subsequent death of cells

Question 13

End artery supply is where

Answer 13

One organ is supplied by only one artery

Question 14

Where in the body is supplied by more than one artery?

Answer 14

Lungs, liver, some parts of the brain