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
Endocrine  functions  associated  with  kidney  include  all  of  the  following   except: 
Select and explain. 
A. Erythropoietin secretion, B. Natriuretic peptide secretion, C. 1,25 dihydroxy cholecalciferol formation, D. Renin secretion
B: Natriuretic peptide secretion
Answer: B: Natriuretic peptide secretion 
Explanation: The kidneys produce three hormones: 1,25-dihydroxycholecalciferol, renin and erythropoietin. Natriuretic peptides are substances secreted by the heart.