QQuestionBiology
QuestionBiology
Test your basic knowledge about clotting factors and anticoagulants.
1. Anticoagulants Prevents clot $t_{0} \vee$
2. Antithrombin (Click to select) $\vee$
3. Heparin (Click to select) $\vee$
4. Fibrinogen (Click to select) $\vee$
5. Thrombin (Click to select) $\vee$
6. Plasmin (Click to select) $\vee$
7. Plasminogen (Click to select) $\vee$
8. Streptokinase (Click to select) $\vee$
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Answer
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Step 1:: Identify the anticoagulants in the list.
Anticoagulants are substances that prevent blood clotting. From the given list, we can identify two anticoagulants: Antithrombin and Heparin.
Step 2:: Explain the function of Antithrombin.
Antithrombin is a natural anticoagulant that inhibits the activity of coagulation factors, such as thrombin (factor IIa) and factor Xa. It does this by forming a complex with these factors, which promotes their degradation and removal from the bloodstream.
Step 3:: Explain the function of Heparin.
Heparin is an anticoagulant that is often used in medical settings to prevent blood clots from forming. It works by accelerating the activity of antithrombin, which then inhibits the activity of coagulation factors. Heparin itself does not have any direct inhibitory effect on coagulation factors.
Step 4:: Summarize the differences between Antithrombin and Heparin.
Although both Antithrombin and Heparin are anticoagulants, they have different mechanisms of action. Antithrombin is a natural inhibitor of coagulation factors, while Heparin enhances the activity of Antithrombin.
Final Answer
The anticoagulants in the given list are Antithrombin and Heparin. Antithrombin is a natural inhibitor of coagulation factors, while Heparin enhances the activity of Antithrombin. Antithrombin forms a complex with coagulation factors, promoting their degradation and removal from the bloodstream, while Heparin accelerates this process.
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