This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous gynae, Subject name: Gynaecology & Obstetrics
Premature baby of 34 wks was delivered. Baby developed bullous lesion on the skin and X-ray shows periositis. What should be the next investigation ? 
Select and explain. 
A. VDRL for mother & baby, B. ELISA for HIV, C. PCR for TB, D. Hepatitis surface antigen for mother
A: VDRL for mother & baby
Answer: A: VDRL for mother & baby 
Explanation: In congenital syphilis,characteristic osteochondritis and periositis and a maculopapular or vesiculobullous lesions followed by desquamation involving hands and feet are common.So VDRL test is done. Reference: Nelson textbook of pediatrics 19th edition and op Ghai 9th edition Page 1018