<prompt> Which of the following potentially represents the most dangerous situation?Rhve mother with 2nd Rh-ve childRh-ve mother with 2nd Rhve childRhve mother with 1st Rh-ve childRh-ve mother with 1st Rhve child  <response>: Rh-ve mother with 2nd Rhve child can result in the development of hemolytic disease of newborn or erythroblastosis fetalis. So, it is a dangerous condition. This condition is a type II hypersensitivity reaction. This is Not to be confused with Hemorrhagic disease of the newborn which is a coagulation disturbance in the newborns due to vitamin K deficiency. As a consequence of vitamin K deficiency there is an impaired production of coagulation factors II, VII, IX, X, C and S by the liver. 