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: Gynaecology & Obstetrics
[{'content': 'Which of the following is not a manifestation of neonatal tetanus: September 2009 \nSelect and explain. \nA. Irrritability, B. Hypotonia, C. Difficult feeding, D. Facial grimacing', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Hypotonia Features of neonatal tetanus: Muscle rigidity Irritability, excessive crying Dysphagia Restlessness Facial grimacing Muscle spasm Poor suck Constipation', 'role': 'assistant'}]