This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Choriocarcinoma, Subject name: Gynaecology & Obstetrics
Quadruple test is used for- 
Select and explain. 
A. Down's syndrome, B. Edward syndrome, C. Turner syndrome, D. Marfan syndrome
A: Down's syndrome
Answer: A: Down's syndrome 
Explanation: Ans. is 'a' i.e., Down's syndrome Tests used to detect Down .v syndrome ftrisomies)o "Triple test(MSAFP, UE3, total hCG)o Quadruple test(MSAFP, UE3, total hCG & Inhibin A)