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AAFCS HNFS (HNFS) Practice Tests & Test Prep by Exam Edge

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AAFCS Hospitality, Nutrition, & Food Science Sample Test

1 of 5

What is used to create bile acids?

Correct Answer:

cholesterol.

cholesterol is a crucial component in the body, primarily used for the synthesis of bile acids. bile acids are essential for the digestion and absorption of dietary fats in the small intestine. they are produced in the liver from cholesterol through a series of enzymatic reactions that modify the cholesterol molecule into various bile acids. these bile acids are then conjugated with amino acids, primarily glycine or taurine, which increases their effectiveness in emulsifying fats.

while cholesterol serves this vital role in bile acid production, it's also a fundamental building block for cell membranes and a precursor for the synthesis of steroid hormones, including sex hormones like estrogen and testosterone, and adrenal hormones. however, despite its importance, maintaining balanced levels of cholesterol is crucial for health. excessive cholesterol, especially low-density lipoprotein (ldl) cholesterol, can accumulate in the walls of blood vessels, leading to atherosclerosis. this build-up can restrict blood flow, increasing the risk of heart disease and stroke.

therefore, the body's cholesterol levels must be carefully regulated to ensure sufficient production of bile acids and other critical substances, while avoiding the health risks associated with high cholesterol levels. this balance is maintained through dietary intake, internal synthesis, and excretion of cholesterol and its derivatives.