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Basics of Hemostasis Quiz

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Questions and Answers

What is the role of platelets in normal hemostasis?

To dissolve thrombus

To regulate thrombin activity

To promote fibrin formation

To aid in the formation of a platelet plug (correct)

What is the role of thrombin in normal hemostasis?

To promote fibrin formation (correct)

To dissolve thrombus

To aid in the formation of a platelet plug

To regulate platelet activity

What is the process of fibrin formation called?

Thrombosis

Hemostasis

Hemophilia

Coagulation (correct)

What is the main function of the endothelium in normal hemostasis?

To prevent excessive clotting (B) Signup and view all the answers

What is the role of thrombin in regulating thrombin activity during normal hemostasis?

To promote fibrin formation (A) Signup and view all the answers

What is the dissolution of a thrombus called?

Thrombolysis (C) Signup and view all the answers

What are the two types of pathological conditions related to hemostasis mentioned in the text?

Bleeding disorders and thrombosis (B) Signup and view all the answers

What is the main purpose of hemostasis?

To maintain homeostasis (C) Signup and view all the answers

What is the sequence of events leading to hemostasis at a site of vascular injury called?

Hemostasis (B) Signup and view all the answers

Which of the following is NOT a mechanism of vasoconstriction during hemostasis?

Nitric oxide release (C) Signup and view all the answers

What is the function of primary hemostasis during the process of normal hemostasis?

To reduce blood flow to the site of injury (C) Signup and view all the answers

Which of the following is responsible for stopping the bleeding of daily unnoticed wear and tear?

Primary hemostasis (B) Signup and view all the answers

What is the role of activated platelets in hemostasis?

To recruit additional platelets and aggregate via fibrinogen bridges (D) Signup and view all the answers

Which of the following is an example of a quantitative deficiency in primary hemostasis?

Platelet deficiency (D) Signup and view all the answers

What is the normal range for platelet count in the blood?

150,000-450,000/µL (B) Signup and view all the answers

Which of the following is NOT a prothrombotic signal that activates platelets at a site of vascular injury?

Nitric oxide (C) Signup and view all the answers