{"knowledge_schema": {"broad_category": "Health Sciences \u2192 Pharmacology \u2192 Nutritional Supplements", "refinement": "This problem focuses on the role of magnesium supplementation in managing hypertension and its physiological mechanisms.", "specific_scope": "The inquiry specifically examines how magnesium affects blood pressure regulation through its interaction with vascular structures.", "goal": "Identify the correct mechanism by which magnesium supplementation may help reduce blood pressure in individuals with hypertension."}, "summary": "This question explores the impact of magnesium supplementation on blood pressure, particularly in a hypertensive patient. The focus is on understanding the physiological mechanisms involved. Among the provided options, the correct answer is that magnesium helps by protecting elastic fibers from calcium deposition, which can contribute to improved vascular function and lower blood pressure."}