Umbilical cord has ____________: (A) 1 vein and 2 aeries, (B) 2 vein and 2 aeries, (C) 1 vein and 1 aery, (D) 2 veins and 1 aery
Answer is A. Umbilical cord contain two aeries & one vein. Ref : Ghai essential of pediatrics, 19th edition, p.no402 ; Davidson principal and practice of internal medicine, 22nd edition, p.no:630