Why is fibre important for cholesterol control?
Answer and explanation
Correct answer: Soluble fibre can help lower LDL cholesterol by reducing bile-acid reabsorption
Soluble fibre from oats, barley, pulses, beans and some fruits can bind bile acids in the intestine. Less bile acid is then reabsorbed, so the liver uses more cholesterol from the bloodstream to make new bile acids; this can help reduce LDL cholesterol. Fibre does not block absorption of all fat or remove blood proteins. Therefore, A is correct.
Frequently asked questions
What is the correct answer to this question?
Soluble fibre can help lower LDL cholesterol by reducing bile-acid reabsorption
Why is this the correct answer?
Soluble fibre from oats, barley, pulses, beans and some fruits can bind bile acids in the intestine. Less bile acid is then reabsorbed, so the liver uses more cholesterol from the bloodstream to make new bile acids; this can help reduce LDL cholesterol. Fibre does not block absorption of all fat or remove blood proteins. Therefore, A is correct.
Which subject and chapter does this question cover?
This is a Class 12 Home Science question. Chapter: Clinical Nutrition and Dietetics. Topic: Prevention of chronic diseases.
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