Coagulation of Blood

IMPORTANT

Coagulation of Blood: Overview

This topic covers concepts, such as, Coagulation of Blood, Mechanism of Coagulation & Role of Calcium in Blood Clotting etc.

Important Questions on Coagulation of Blood

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Removal of calcium from freshly collected blood would

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 All the following statements are correct but one is wrong. Which one is wrong ?

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Blood clotting can be prevented by the use of potassium oxalate. It is due to:

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Fibrin is ____ and ____ protein.

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Clotting of blood in blood banks is prevented by adding

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Which of the following enzyme causes conversion of prothrombin into thrombin?

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Select the incorrect statement from the following.

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Select the incorrect statement from the following.

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When antibodies are mixed with their corresponding antigens present on the surface of animal cells, erythrocytes, or bacteria, they cross-link these objects to form visible clumps. This serological reaction is called as agglutination and is very similar to the precipitation reaction. Both reactions are specific because they depend on the specific antibody and antigen pair. Antigens involved in precipitation reaction are much smaller and more soluble than those involved in agglutination making the latter reaction easily detectable. Which of the following options is best suited to make the precipitation reaction more easily detectable?

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Vitamin K helps to synthesise

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Which of the following steps in the clotting of blood will not occur in the absence of vitamin K ?

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Which of the following are required for blood clotting?

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To prevent coagulation blood stored in blood bank contains a small amount of

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Which one of the following plasma is involved in the coagulaton of blood?

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Which option is correct for the formation of 'Intrinsic factor X activator complex for blood coagulation?

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Which of the following substances, if introduced into the blood stream, cause coagulation of blood at the site of its introduction?

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Assertion : Thrombin is necessary to initiate blood coagulation.

Reason : Thrombin helps in the formation of thromboplastins.

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Assertion: Chilling of blood decreases coagulation time.

Reason: Cold depresses the action of coagulation-promoting enzymes.

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Blood clotting occurs with the help of

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Removal of calcium from freshly collected blood would