Heparin Dosing And Indications Quiz! Trivia

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1. What's the main difference with LMWH?

Explanation

LMWH (Low Molecular Weight Heparin) has a longer half-life compared to normal heparin. This means that it stays in the body for a longer duration, allowing for less frequent dosing. Additionally, LMWH is often given to outpatients, meaning that patients can administer the medication themselves at home rather than requiring hospitalization. Moreover, LMWH requires lower doses compared to normal heparin due to its increased potency.

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Heparin Dosing And Indications Quiz! Trivia - Quiz

Explore the pharmacological aspects of Heparin, including its drug category, mechanism of action, main uses, and differences from LMWH.

2. Which coagulation factors are inactivated by Heparin?

Explanation

Heparin inactivates Factor Xa, IXa, IIa, XIa, and XIIa, which are multiple sites in the coagulation pathway. Additionally, it neutralizes thromboplastin (Factor III).

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3. What is the principal anticoagulant action of heparin?

Explanation

Heparin's principal anticoagulant action is binding to antithrombin III. Antithrombin III is a natural anticoagulant protein in the body that inhibits the activity of several blood clotting factors, including factors IIa, IXa, and Xa. By binding to antithrombin III, heparin enhances its inhibitory effect on these clotting factors, preventing the formation of blood clots.

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4. Heparin is            with      activity by inactivating factor   and inhibiting the conversion of     to    . Also further activates thrombin preventing the conversion of fibrinogen to       . Finally heparin also stops the formation of a stable fibrin clot by inhibiting the activation of

Explanation

Heparin is a naturally occurring mucopolysaccharide with anticoagulant activity. It works by inactivating factor X and inhibiting the conversion of prothrombin to thrombin. Additionally, heparin further activates thrombin, preventing the conversion of fibrinogen to fibrin. Lastly, heparin inhibits the activation of fibrin stabilizing factor, thereby stopping the formation of a stable fibrin clot.

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5. What category of drug does Heparin belong to?

Explanation

Heparin belongs to the category of drugs known as haematologic drugs + anticoagulants. This is because Heparin is a medication that is commonly used as an anticoagulant, meaning it prevents the formation of blood clots. Additionally, Heparin is also classified as a haematologic drug because it is used to treat and prevent various disorders related to the blood and blood vessels.

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What's the main difference with LMWH?
Which coagulation factors are inactivated by Heparin?
What is the principal anticoagulant action of heparin?
Heparin...
What category of drug does Heparin belong to?
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