Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Coagulation in Vivo: Thrombin Generation

12 Questions

0 Views

Coagulation in Vivo: Thrombin Generation

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the role of platelet factor 3 in the coagulation cascade?

Providing a surface for phospholipid-mediated reactions (correct)

Synthesizing prostacyclin

Inhibiting platelet aggregation

Stimulating vascular smooth muscle cells to multiply

What is the product of the prothrombinase reaction?

Thrombin (correct)

Factor Xa

Factor IXa

Prothrombin

What is the effect of nitric oxide on platelet function?

Inhibits platelet activation (correct)

Has no effect on platelet function

Stimulates platelet activation

Promotes platelet aggregation

What is the role of CD39 in the intact vessel wall?

Preventing platelet aggregation Signup and view all the answers

What is the effect of prostacyclin on blood vessels?

Vasodilation Signup and view all the answers

What is the function of growth factor PDGF in platelets?

Stimulating vascular smooth muscle cells to multiply Signup and view all the answers

What is the function of thromboxane A2 (TXA2) in platelet activation?

It lowers platelet cyclic adenosine monophosphate (cAMP) levels and initiates the release reaction. Signup and view all the answers

What is the role of ADP released from dense granules in platelet activation?

It has a major positive feedback role in promoting platelet activation. Signup and view all the answers

What is the effect of prostacyclin (PGI2) on platelet aggregation?

It is a potent inhibitor of platelet aggregation. Signup and view all the answers

What is the role of α granule contents in platelet activation?

They have an important role in platelet aggregate formation and stabilization. Signup and view all the answers

What is the role of calcium in the generation of thrombin?

It is a cofactor in the enzyme complexes involved in thrombin generation. Signup and view all the answers

What is the result of primary activation by various agonists in platelets?

It induces intracellular signalling, leading to the release of α granule contents. Signup and view all the answers