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': 'Which of the following suggest that the newborn infant is preterm? \nSelect and explain. \nA. Square window 0o, B. Popliteal angle <90o, C. Scarf sign ⇒ elbow cross midline, D. Posture ⇒ Flexed posture', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sl No.\nCharacteristic\nPreterm Infant\nTerm Infant\n\n\n\n\n1\nPosture\nExtended\nFlexed\n\n\n2\nBreast buds\n< 5mm\n> 5mm\n\n\n3\n\nGenitalia :\xa0Male\xa0\n\n\n\n\na)\xa0Tests\nb)\xa0Scrotal rugosity\n\n\nNon - palpable\nAbscent\n\n\nPalpable\nPresent\n\n\n\n\nGenitalia :\xa0Female\n\n\n\n-\n\nProminent Clitoris\nsmall labia minora\n\n\nLabia major cover\nlabia minora and clitosis\n\n\n\n4\nSkin\nSticky, Friable transparant\nLeathery wrinkled\n\n\n5\nSole crease\nNone\nCrease over entire sole\n\n\n6\n\nSquare window\n\n\n\n\n\n\n7\nArm recoil\n\n\n\n\n8\n\nPopliteal angle\n\n\n\n\n180o\n\n\n\n< 90o\n\n\n\n9\n\nScarf sign\n\n\n\n\nElbow cross midline\n\n\n\nElbow do not cross midline', 'role': 'assistant'}]