This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Gall bladder bile is different from hepatic bile in that it has: 
Select and explain. 
A. Less fatty acids, B. Less water, C. More chloride, D. Less solids
B: Less water
Answer: B: Less water 
Explanation: Gall bladder contains less water (92 g/dl) compared to hepatic bile (97.5g/dl). Bile gets concentrated in the gall bladder as water and and large amount of electrolytes are absorbed are reabsorbed by the gall bladder mucosa. Comparison of gall bladder bile and hepatic bile: Liver bile Gall bladder bile Water 97.5 g/dl 92 g/dl Bile salts 1.1 g/dl 6 g/dl Bilirubin 0.04 g/dl 0.3 g/dl Cholesterol 0.1 g/dl 0.3 - 0.9 g/dl Fatty acid 0. 12 g/dl 0.3 - 1.2 g/dl Lecithin 0.04 g/dl 0.3 g/dl Sodium 145 mEq/l 130 mEq/l Potassium 5 mEq/l 12 mEq/l Calcium 5 mEq/l 23 mEq/l Chloride 100 mEq/l 25 mEq/l Bicarbonate 28 mEq/l 10 mEq/l Ref: Concise Textbook Of Physiology For Dental Students 2/e By Yogesh Tripathi, page 258