Which of the following is correct regarding b | vedclass

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(C) Statement $I$ is correct: Vitamin-$K$ is essential for the synthesis of prothrombin in the liver.Statement $II$ is correct: The enzyme thrombin co

Vedclass · Accepted Answer

$I$,$II$ and $III$

Vedclass · Answer

(C) Statement $I$ is correct: Vitamin-$K$ is essential for the synthesis of prothrombin in the liver.Statement $II$ is correct: The enzyme thrombin converts soluble fibrinogen into insoluble fibrin threads.Statement $III$ is correct: The enzyme complex prothrombinase (formed by thromboplastin and platelet factors in the presence of $Ca^{2+}$) converts inactive prothrombin into active thrombin.Since all statements $I$,$II$,and $III$ are correct,none of the provided options $A$,$B$,or $C$ are fully accurate if they exclude one of the correct statements. However,based on the standard interpretation of such questions,if all are correct,the answer is $I$,$II$,and $III$.

Vessel	Renal vein	Pulmonary artery	Hepatic portal vein	Main Aortic arch
$(a)$	$PO_2 = 95 \, mm \, Hg, PCO_2 = 40 \, mm \, Hg$	Less concentration of ions in blood	More fatty acid and glycerol in the blood	$PO_2 = 95 \, mm \, Hg, PCO_2 = 40 \, mm \, Hg$
$(b)$	Blood $pH = 7.4$	Less excretory substances than other blood vessels	More nutritive substances	More oxygen than pulmonary artery
$(c)$	Less excretory wastes	$PO_2 = 40 \, mm \, Hg, PCO_2 = 45 \, mm \, Hg$	Less amount of fatty acid and glycerol compare to other blood vessels	More excretory substances than renal vein
$(d)$	More oxygen than pulmonary artery	More excretory waste than renal vein	$PO_2 = 95 \, mm \, Hg, PCO_2 = 40 \, mm \, Hg$	Less excretory waste than hepatic portal vein

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