INBDE (Integrated National Board Dental Examination) Practice Exam

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What does the synovial membrane produce?

Mucus
Bile
Synovial fluid
Cerumen

The correct answer is: Synovial fluid

The synovial membrane produces synovial fluid. This fluid is responsible for lubricating the joints, reducing friction between the articulating surfaces, and providing nutrition to the avascular cartilage within the joint. Mucus is produced by mucous membranes in the respiratory and digestive tracts to protect and lubricate these systems. Bile is produced by the liver and stored in the gallbladder, playing a role in digestion by emulsifying fats in the small intestine. Cerumen, also known as earwax, is produced by ceruminous glands in the ear canal to protect the ear from dust, microorganisms, and water.