The 23-year-old G1P0 patient who is 14 weeks pregnant presents to the emergency department with weakness and lethargy due to intractable nausea and vomiting. The patient has lost approximately 7% of pre-pregnancy weight. The nurse is aware the patient's symptoms are due to excess production of which hormone(s)? Select all that apply.

The nurse is teaching a community class on cardiopulmonary resuscitation (CPR). Which rationale is best to give the class for the difference between infant CPR with one rescuer, infant CPR with two rescuers, adult CPR with one rescuer, and adult CPR with two rescuers?

The 28-year-old G2P1 patient presents after rupture of membranes 2 hours ago at 39 weeks gestation. She has a history of prior cesarean section for failure to progress but is otherwise healthy; this pregnancy is uncomplicated. Contractions are painful and labor is progressing. Abruptly, the patient complains of extreme abdominal pain; the nurse observes a significant amount of blood coming from her vagina. Which action is most important?