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: Pediatrics
[{'content': 'A normal child will acquire complete neck control by \nSelect and explain. \nA. 8 weeks, B. 16 weeks, C. 28 weeks, D. 24 weeks', 'role': 'user'}, {'content': 'Answer: B \nExplanation: GROSS MOTOR DEVELOPMENT:\n2 months: Holds head in the plane of rest of the body when held in ventral suspension. In the prone position in bed, the chin lifts momentarily.\n3 months: lift head above the plane of the body. Head control starts by 3 months and fully developed by 5 months.\n4 months: Remain on forearm support if put in prone position, lifting the upper part of the body off the bed.\n5 months: Rolls over.\n6 months: sit in a tripod fashion.\n8 months: sits without support., crawling\n9 months: Takes a few steps with one hand held. Pulls to standing and cruises holding on to furniture by 10 months.\xa0\n10 months: creeps\n12 months: creeps well, walk but falls, stand without support.\n15 months: walks well, walks backward/ sideways pulling a toy. May crawl upstairs.\n18 months: Runs, walks upstairs with one hand held. Explores drawers\n2 years: walk up and downstairs, jumps.\n3 years: rides tricycle, alternate feet going upstairs.\n4 years: hops on one foot, alternate feet going downstairs.\n5 years: skips', 'role': 'assistant'}]