This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
Erythromycin is given in intestinal hypomotility because: 
Select and explain. 
A. It increases bacterial count, B. It decreases bacterial count, C. It binds to adenylyl cyclase, D. It binds to motilin receptors
D: It binds to motilin receptors
Answer: D: It binds to motilin receptors 
Explanation: Erythromycin stimulates motilin receptors in the g.i.Lthereby induces gastric contractions, hastens gastric emptying and promotes intestinal motility. ESSENTIALS OF MEDICAL PHARMACOLOGY < /p>