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: Dental
[{'content': 'The reflex shown here is:\u200b \nSelect and explain. \nA. Tendon reflex\u200b, B. Abdominal reflex\u200b, C. Landau reflex\u200b, D. Asymmetrical tonic neck reflex (ATNR)', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Its a normal reflex observed in children\xa0between the age\xa0of 3 and 12 months: When the child is supported horizontally in the prone position, the head rises and the back arches. Absence of the reflex is a sign of a neurological disorder, such as cerebral palsy or motor neuron disease.\u200b', 'role': 'assistant'}]