Which of the following represents the bile salts?
Correct answer: A. Cholic acid
- A. Cholic acid
- B. Biliverdin
- C. Haemoglobin
- D. Both (A) and (B)
Explanation
Bile salts are synthesized in the liver from cholesterol-derived bile acids such as cholic acid. These acids are conjugated with amino acids like glycine or taurine to form bile salts, which play a crucial role in the digestion and absorption of fats. Cholic acid is a primary bile acid that becomes a bile salt upon conjugation. Biliverdin and bilirubin are pigments associated with bile but do not contribute to the formation of bile salts. Haemoglobin is unrelated to the bile system.
This question appeared on the ETEA MDCAT 2012 paper, which you can sit online with every answer explained.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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