blood clotting

Question 2

What is the primary function of blood clotting?

Answer 2

To prevent excessive bleeding when a blood vessel is injured.

Question 3

True or False: Blood clotting is solely reliant on platelets.

Answer 3

False

Question 4

Fill in the blank: The process of blood clotting is also known as __________.

Answer 4

hemostasis

Question 5

What are the three main stages of hemostasis?

Answer 5

Vascular spasm, platelet plug formation, and coagulation.

Question 6

Which type of blood cell is primarily involved in the clotting process?

Answer 6

Platelets

Question 7

What is the role of fibrin in blood clotting?

Answer 7

Fibrin forms a mesh that stabilizes the platelet plug.

Question 8

True or False: Coagulation factors are proteins that play a critical role in the clotting process.

Answer 8

True

Question 9

What is the name of the cascade that leads to the formation of a blood clot?

Answer 9

Coagulation cascade

Question 10

Which vitamin is essential for the synthesis of certain clotting factors?

Answer 10

Vitamin K

Question 11

What is the function of thrombin in the clotting process?

Answer 11

Thrombin converts fibrinogen into fibrin.

Question 12

Multiple Choice: Which of the following is NOT a step in hemostasis? A) Vascular spasm B) Platelet aggregation C) Hemoglobin synthesis

Answer 12

C) Hemoglobin synthesis

Question 13

What do you call the condition where blood clots form inappropriately within blood vessels?

Answer 13

Thrombosis

Question 14

Fill in the blank: __________ is the natural process of removing a blood clot after healing.

Answer 14

Fibrinolysis

Question 15

Name one common anticoagulant medication.

Answer 15

Warfarin

Question 16

True or False: Anticoagulants promote blood clotting.

Answer 16

False

Question 17

What is the role of von Willebrand factor in blood clotting?

Answer 17

It helps platelets adhere to the site of vascular injury.

Question 18

What is the function of the intrinsic pathway in coagulation?

Answer 18

It is activated by damage to the blood vessel and leads to the activation of clotting factors.

Question 19

What triggers the extrinsic pathway of coagulation?

Answer 19

Tissue factor released from damaged tissues.

Question 20

Multiple Choice: Which of the following is a symptom of excessive clotting? A) Bruising B) Hemophilia C) Thrombocytopenia

Answer 20

A) Bruising

Question 21

What is a common test used to evaluate blood clotting ability?

Answer 21

PT/INR (Prothrombin Time/International Normalized Ratio)

Question 22

Fill in the blank: The __________ pathway is faster and is triggered by external trauma.

Answer 22

extrinsic

Question 23

What is the primary site of clot formation in the body?

Answer 23

The blood vessel injury site.

Question 24

True or False: Clotting factors are usually present in an inactive form in the bloodstream.

Answer 24

True

Question 25

What role does calcium ions play in the coagulation process?

Answer 25

Calcium ions are essential for several steps in the coagulation cascade.

Question 26

What is the significance of the common pathway in coagulation?

Answer 26

It is the final pathway where intrinsic and extrinsic pathways converge to form a clot.