CH 18 Blood Part 3

Question 1

What is the purpose of a vascular spasm?

Answer 1

To limit blood leakage

Question 2

What is a coagulation?

Answer 2

Blood clotting

Question 3

What is the precursor to fibrin?

Answer 3

Fibrinogen

Question 4

Fibrin forms a ___ shape to clot blood?

Answer 4

Mesh

Question 5

Fibrinogen is made in the?

Answer 5

Liver

Question 6

Fibrinogen is ___ soluble in blood***

Answer 6

Yes

Question 7

Fibrin is ___ soluble in blood***

Answer 7

Not

Question 8

Which molecules are required for proper blood clotting?***

Answer 8

1. Calcium

2. Vitamin K

Question 9

How do you get vitamin K?***

Answer 9

1. 1/2 from diet

2. 1/2 from bacteria from gut

Question 10

List the common pathway steps***

Answer 10

1. Factor X
2. Prothrombin activator
3. Prothrombin
4. Thrombin
5. Fibrinogen
6. Fibrin

Question 11

How is a blood clot dissolved steps? ***

Answer 11

1. TPA takes plasminogen and converts it into plasmin.
2. Plasmin takes fibrin and converts it back to fibrinogen.
3. Fibrinogen dissolves in blood.

Question 12

What is clot retraction called?

Answer 12

Fibrinolysis

Question 13

What degrades the fibrin in a blood clot retraction?

Answer 13

Plasmin

Question 14

What is a thrombus?***

Answer 14

No injury but a blood clot forms in a blood vessel anyway

Question 15

What is a embolus?***

Answer 15

When a clot breaks from a blood vessel and enters the blood?

Question 16

What are embolus deadly?

Answer 16

They can black blood vessels

Question 17

Hemostasis is an example of which type of feedback?

Answer 17

Positive

Question 18

Iron is recycled to make more?***

Answer 18

Hemoglobin