This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Renal physiology, Subject name: Physiology
Which of the following hormone is secreted by the kidney? 
Select and explain. 
A. Renin, B. 1,25 DHCC, C. Erythropoietin, D. All of above
D: All of above
Answer: D: All of above 
Explanation: All hormones are produced from kidneyRef: Ganong&;s review of medical physiology; 24th edition; page no; 702