Enhancement reagents are also called

The EMT shows that he can accurately differentiate placenta previa from abruptio placentae when he states:

A) "Abruptio placentae typically occurs in the first and second trimesters; placenta previa occurs in the third trimester." B) "Bleeding associated with abruptio placentae is typically associated with abdominal pain; bleeding associated with placenta previa is painless." C) "Abruptio placentae rarely results in the death of the baby; the mortality rate of placenta previa is high." D) "The blood lost with placenta previa is dark red; the color of blood associated with abruptio placentae is bright red."

Identify the important points that should be covered in an observation to rule out serious back conditions.

What will be an ideal response?