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Vitamins

During the pr...

Question

During the process of blood coagulation, vitamin k helps in

A

the formation of thromboplastin

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B

the conversion of fibrinogen to fibrin

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C

the conversion of prothrombin to thrombin

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D

formation of prothrombin

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Solution

The correct option is D
formation of prothrombin

Vitamin k helps in the synthesis of prothrombin in liver, which is a protein required for blood clotting and bone metabolism.

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Similar questions

Q. Identify the correct sequence of blood coagulation (a) Activation of prothrombin (b) Formation of prothrombin activator (c) Formation of blood clot (d) Conversion of fibrinogen to fibrin

Q. Assertion :Thrombin is necessary to initiate blood coagulation. Reason: Thrombin helps in the formation of thromboplastins.

Q. Which prevents conversion of prothrombin to thrombin in an undamaged blood vessel?

Q. Which of the following is / are wrong about blood clotting?
A. Fibrinogen

T h r o m b o p l a s t i n - -------- \to T h r o m b i n

B. Injured tissue + blood Platelets

\to

Release thromboplastin
C. Prothrombin

T h r o m b i n - ----- \to

fibrin
D. Fibrin + Red Blood corpuscles

\to

Q. Select the correct option for given reaction occurs during blood clotting–

(i)

→ Thrombin → Fibrin

(ii)

→ Prothrombin → Thrombin

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