The answer is : randomization was not used in sample selection. The major difference between experimental and quasi-experimental designs is lack of randomization in sampling selection.
These are signs of amniotic fluid embolism, a rare emergency that can occur during the very last stages of labour. This is caused by the circulation of amniotic fluid in the blood stream of the pregnant woman. The nurse should administer oxygen using a facemask, in order to increase the oxygen intake of the woman.
DNA replication occurs in interphase, producing two sister chromatids