This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
[{'content': 'Triple test for the diagnosis of Down&;s syndrome includes all of the following except: \nSelect and explain. \nA. Beta hcg, B. Alpha-fetoprotein, C. Inhibin A, D. Serum oestriol level', 'role': 'user'}, {'content': 'Answer: C \nExplanation: lnhibin A is not included in Triple test , its is a pa of Quadruple test . Triple test AFP+HCG+UE3 Quadruple test Triple test+Inhibin A Combined test (first-trimester screening) PAPPA+HCG+Nuchal translucency Intergrated test First-trimester screening+Quadruple test The most sensitive is the integrated test (94-96% detection rate) The risk for abnormal offpspring for a carrier of balanced chromosomal translocation of 21:21 is 100% Ref: Nelson textbook of pediatrics 21st edition pgno: 661', 'role': 'assistant'}]