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: Gynaecology & Obstetrics
Composition of Nova - T : 
Select and explain. 
A. Copper & silver, B. Copper & aluminium, C. Copper only, D. Copper & Selenium
A: Copper & silver
Answer: A: Copper & silver 
Explanation: Ans. is a i.e. Copper and Silver Nova-T is nothing but Cu-T, where silver is added to the copper wire thereby increasing lifespan of Cu-T from 3 years to 5 years in Nova-T.