Medicine All of the following are required for visualization of gall bladder in an oral cholecystogram except: A Motor mechanism of gall bladder B Patency of cystic duct C Ability to absorb water D Functioning hepatocytes 💡 Explanation All of the following are required for visualization of gall bladder in an oral cholecystogram except: ✓ Correct Answer: A. Motor mechanism of gall bladder