What is true about the gallbladder?

Appeared in: P.CHO-2019

Explanation

The gallbladder is a small organ situated beneath the liver, and its primary function is to act as a storage unit for bile.
Bile is produced by the liver and then flows to the gallbladder to be stored and concentrated.
When fatty foods are consumed, the gallbladder releases this concentrated bile into the small intestine to aid in the digestion and emulsification of fats.

Option A: The gallbladder's role is to aid in fat digestion, not to cause weight gain. While bile helps absorb fats, this is a normal digestive process. Impaired bile flow can lead to malabsorption and weight loss.
Option B: Insulin is a hormone produced by the beta cells of the pancreas. The gallbladder has no role in insulin production.
Option D: This option is incorrect because a true statement is present in the options.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Function of the gallbladder as background academic context rather than a clinical decision trigger.
A common clinical issue is cholelithiasis (gallstones), where hard deposits form in the gallbladder, potentially blocking bile flow and causing severe pain (biliary colic) or inflammation (cholecystitis).
Nurses must be aware that pain from gallbladder issues often presents in the right upper quadrant of the abdomen and may radiate to the right shoulder or back, especially after a fatty meal.
What if? If a patient has their gallbladder removed (cholecystectomy), bile will still be produced by the liver but will flow directly into the small intestine without being stored and concentrated. These patients are often advised to eat smaller, low-fat meals to avoid digestive discomfort.

How to Approach the Question

First, identify the key subject of the question, which is the 'gallbladder'.
Second, recall the basic function of the gallbladder from your knowledge of anatomy and physiology. Its primary role is in the biliary system, related to bile.
Third, evaluate each option: 'Helps in weight gain' is a physiological outcome, not a direct function. 'Produces insulin' is a function of the pancreas. 'Stores bile' directly matches the known function of the gallbladder.
Finally, confirm that 'Stores bile' is the most accurate description of the gallbladder's role, making it the correct answer.

Concept Tested & Keywords

QO1BRsEAvmAIJRWkEuC59g

E6 Anatomy BDChaurasia V2 10e Part 2 p. 63-65

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

E6 Anatomy Applied Ashalatha 4e p. 140-142

Practise the full P.CHO-2019

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