This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Calcium Metabolism, Subject name: Physiology
Bile acid uptake by hepatocytes is dependent on: 
Select and explain. 
A. Calcium, B. Iron, C. Sodium, D. Potassium
C: Sodium
Answer: C: Sodium 
Explanation: Ans. C. SodiumThe uptake of bile acid by hepatocytes is sodium-dependent and is not dependent on calcium, iron, potassium, or chloride.