NORCET 2 -2021 (Shift…: A patient has chronic liver disease with disturbed of coagulation due to deficiency of?

NORCET 2 -2021 (Shift-2)

Medical & Surgical Nursing

Medium

Appeared in: NORCET 2 -2021 (Shift-2)

Explanation

The liver synthesizes most coagulation factors, but their activation often requires cofactors.
Vitamin K is a crucial fat-soluble vitamin required for the post-translational carboxylation and activation of clotting factors II, VII, IX, and X.
Chronic liver disease often leads to cholestasis, which impairs bile acid secretion, reducing the absorption of fat-soluble vitamins like Vitamin K from the intestine.
This deficiency in Vitamin K leads to the production of inactive clotting factors, resulting in coagulopathy and an increased risk of bleeding, reflected in a prolonged Prothrombin Time (PT).

Option A: Vitamin D is primarily involved in calcium and phosphate metabolism and bone health.
Option C: Vitamin A is essential for vision, immune function, and epithelial cell integrity.
Option D: Vitamin E is a major antioxidant that protects cell membranes from oxidative damage. While very high doses can interfere with Vitamin K and increase bleeding risk, its deficiency is not the primary cause of coagulopathy in liver disease.

Clinical Relevance

Nursing practice connection: Use the key finding related to Pathophysiology of Coagulopathy in Chronic Liver Disease to guide bedside assessment, documentation, and the next nursing action.
Nurses must monitor patients with liver disease for signs of bleeding, such as petechiae, ecchymosis, hematemesis, or melena, and check lab values like PT/INR.
Administration of Vitamin K (often parenterally, as oral absorption is poor) is a key nursing intervention to help correct the coagulopathy.
What if? If the patient presents with acute, life-threatening bleeding, administering Vitamin K alone is insufficient because it takes hours to become effective. The priority would be to transfuse Fresh Frozen Plasma (FFP) or Prothrombin Complex Concentrates (PCC) to immediately replace the deficient clotting factors.

How to Approach the Question

First, identify the core concepts in the question: 'chronic liver disease' and 'disturbed coagulation'.
Recall the major functions of the liver. Remember that it is a metabolic powerhouse involved in synthesis, detoxification, and storage.
Specifically, connect the liver to blood clotting. The liver synthesizes most clotting factors.
Consider the options provided, which are all fat-soluble vitamins. Think about how liver disease (especially with cholestasis) affects fat and fat-soluble vitamin absorption.
Differentiate the primary roles of each vitamin. Ask yourself, 'Which of these vitamins is famously known for its role in blood clotting?'
This line of reasoning directly points to Vitamin K, which is essential for activating key clotting factors produced by the liver.

Concept Tested & Keywords

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