This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neonatal Resuscitation, Subject name: Pediatrics
Which of the following is the best route of drug administration in a newborn baby? 
Select and explain. 
A. Umbilical aery, B. Umbilical vein, C. Intraosseous, D. Intratracheal
B: Umbilical vein
Answer: B: Umbilical vein 
Explanation: Umbilical vein- best route of drug administration in a newborn baby. As veins in extremities - difficult to access during resuscitation