Algonquin College Health Program Assessment (AC-HPAT) Practice Exam

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Which substance does the gallbladder release?

  1. Insulin

  2. Gastric acid

  3. Bile

  4. Pancreatic juice

The correct answer is: Bile

The gallbladder plays a crucial role in the digestive system by storing and concentrating bile, which is produced in the liver. When food, particularly fatty food, enters the small intestine, the gallbladder contracts and releases bile into the duodenum. Bile is essential for the emulsification of fats, allowing for their proper digestion and absorption in the intestine. Insulin is a hormone produced by the pancreas that regulates blood sugar levels, and it is not released by the gallbladder. Gastric acid is secreted by the stomach to aid in digestion but is not associated with the gallbladder's functions. Pancreatic juice, which contains digestive enzymes and bicarbonate, is released by the pancreas, not the gallbladder. Therefore, the bile released by the gallbladder is the substance directly responsible for aiding in the digestion of fats and is the correct choice for this question.