This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'Oxytocin causes all except \nSelect and explain. \nA. Lactogenesis, B. Milk ejection, C. Contraction of uterine muscle, D. Myoepithelial cell contraction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Oxytocin which is a uterine stimulant -contract the myoepithelial cells of mammary alveoli and forces milk into the bigger milk sinusoids and thus causes milk ejection Prolactin produces milk- lactogenesis (Ref.Essentials of medical pharmacology TD Tripathi 7th edition page no.330)', 'role': 'assistant'}]