Floors made of marble and stone chips set in epoxy resin, then ground to a smooth finish are known as ___ floors

The risk of ____________ is substantially increased by pulling on the umbilical cord in an attempt to speed delivery of the placenta

A) placenta previa B) uterine inversion C) abruptio placenta D) uterine rupture

Which of the following is the most appropriate test to differentiate hemoglobin S trait from hemoglobin S disease?

a. Quantitation of hemoglobin A2 b. Hemoglobin electrophoresis c. Acid elution for hemoglobin F d. Solubility for hemoglobin S