QuestionAugust 4, 2025

The liver plays a major role in homeostasis by A. synthesizing factor I but not factor II. B. synthesizing clotting factors without the need for vitamin K. C. removing active clotting factors from the circulation. D. synthesizing factor II but not factor I.

The liver plays a major role in homeostasis by A. synthesizing factor I but not factor II. B. synthesizing clotting factors without the need for vitamin K. C. removing active clotting factors from the circulation. D. synthesizing factor II but not factor I.
The liver plays a major role in homeostasis by
A.
synthesizing factor I but not factor II.
B.
synthesizing clotting factors without the need for vitamin K.
C.
removing active clotting factors from the circulation.
D.
synthesizing factor II but not factor I.

Solution
3.7(243 votes)

Answer

C. removing active clotting factors from the circulation. Explanation 1. Identify the role of the liver in clotting The liver synthesizes various clotting factors, including factor I (fibrinogen) and factor II (prothrombin), both of which are essential for blood coagulation. 2. Analyze vitamin K dependency Many clotting factors synthesized by the liver, such as factor II, require vitamin K for their synthesis. 3. Evaluate options based on liver functions Option A is incorrect because the liver synthesizes both factor I and factor II. Option B is incorrect because vitamin K is needed for synthesizing certain clotting factors. Option C is correct as the liver helps remove active clotting factors from circulation. Option D is incorrect because the liver synthesizes both factors.

Explanation

1. Identify the role of the liver in clotting<br /> The liver synthesizes various clotting factors, including factor I (fibrinogen) and factor II (prothrombin), both of which are essential for blood coagulation.<br /><br />2. Analyze vitamin K dependency<br /> Many clotting factors synthesized by the liver, such as factor II, require vitamin K for their synthesis.<br /><br />3. Evaluate options based on liver functions<br /> Option A is incorrect because the liver synthesizes both factor I and factor II. Option B is incorrect because vitamin K is needed for synthesizing certain clotting factors. Option C is correct as the liver helps remove active clotting factors from circulation. Option D is incorrect because the liver synthesizes both factors.
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