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
Hypocalcemia due to calcitonin is by: 
Select and explain. 
A. Increased excretion in kidney, B. Decreased bone resorption, C. Decreased intestinal absorption, D. Decreased renal reabsorption
B: Decreased bone resorption
Answer: B: Decreased bone resorption 
Explanation: B i.e. Decreased bone resorption Calcitonin causes hypocalcemia by inhibiting bone resorptionQ by direct action on osteoclastsQ.