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: Anatomy
Normal volume of adult testis 
Select and explain. 
A. 5-10 ml, B. 10-15 ml, C. 15-20 ml, D. 25-30 ml
C: 15-20 ml
Answer: C: 15-20 ml 
Explanation: Ans. is 'c' i.e., 15-20 ml"Normal adult testicular volume is 15-20 ml, calculated by the formula : length x width x depth x 0.52 = volume" -- Grainger.