This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Atrial natriuretic polypeptide (ANP) acts by? 
Select and explain. 
A. Decreasing aldosterone production, B. Decreasing sodium reabsorption from renal tubules, C. Inhibiting release of renin, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: ANP is secreted by right atrium acts in many ways such as decreasing aldosterone production, decrease sodium absorption from renal tubules and also inhibit release of renin. (Ref: General pathology in Textbook of PATHOLOGY 6th Edition by HARSH MOHAN)