________ Arteries have one-way valves that prevent the backflow of blood

If the placenta attaches over the cervix, the patient and baby would be at risk for what condition?

A) Placenta previa B) Placental abruption C) Ectopic pregnancy D) Uterine tear

SCENARIOUse this scenario to answer the following question(s).Your patient is a woman who is in her 38th week of pregnancy. She started having contractions while at her job, and her employer called 911.If there is nobody else there to act as coach, you should talk to the mother during the labor process and stay alert for:

A. vomiting. B. fontanels. C. gestational diabetes. D. eclampsia.