Bile is formed by which organ of the body?

Appeared in: UPPSC-2021

Explanation

The question asks to identify the organ responsible for forming (producing) bile.
The liver's functional cells, called hepatocytes, are responsible for synthesizing bile (SRC_23097).
Bile is a golden yellow or greenish fluid produced by the liver, which plays a crucial role in fat digestion and excretion of waste products like bilirubin (SRC_23096).
After production in the liver, bile is transported through a series of ducts and may be stored in the gallbladder or released directly into the small intestine.

Option B: The pancreas does not produce bile. It is a dual-function gland that secretes pancreatic juice (an exocrine function) containing digestive enzymes and bicarbonate, and hormones like insulin and glucagon (an endocrine function).
Option C: The gallbladder's primary role is to store and concentrate bile produced by the liver. It does not produce bile itself.
Option D: The small intestine is the primary site for the chemical digestion and absorption of nutrients. It secretes intestinal juice but does not produce bile. Bile acts within the small intestine.

Clinical Relevance

Nursing practice connection: Knowing Physiology of the digestive system, specifically the production of bile helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
A nurse's assessment for liver or biliary tract dysfunction includes observing for signs of impaired bile flow, such as jaundice (yellow skin/eyes), pruritus (itching), dark urine, and pale or clay-colored stools (steatorrhea).
Understanding the source of bile is fundamental for patient education regarding conditions like gallstones, hepatitis, and cirrhosis, and the dietary modifications they may require (e.g., low-fat diet).
What if? If a patient has a gallstone completely obstructing the common bile duct, the nurse would anticipate signs of obstructive jaundice. Bile cannot reach the intestine, leading to fat malabsorption and clay-colored stools, while bilirubin backs up into the bloodstream, causing jaundice and dark urine.

How to Approach the Question

First, identify the key term in the question: 'Bile'.
Next, focus on the action word: 'formed', which means 'produced' or 'created'.
Review the functions of each organ listed in the options in the context of digestion.
Recall that the liver is the large metabolic factory of the body responsible for producing bile.
Differentiate this from the gallbladder, which only stores bile, and the pancreas, which produces different digestive juices.
Conclude that the liver is the organ that forms bile, making it the correct answer.

Concept Tested & Keywords

Concept Tested: Physiology of the digestive system, specifically the production of bile.
Stem keywords: Bile, formed, organ
Lead-in keywords: which
Negative lead-in flag: false

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E6 Physiology Review Sembulingam 5e p. 55-57

E6 Physiology Guyton 4SAE Part 2A p. 181-183

E6 Anatomy Applied Ashalatha 4e p. 140-142

Practise the full UPPSC-2021

Attempt every question from this paper in a timed mock, then review the full solution for each one.