A G2 TPAL 2002 patient experienced a precipitous birth 90 minutes ago. Her infant weighed 4,200 g, ...

A G2 TPAL 2002 patient experienced a precipitous birth 90 minutes ago. Her infant weighed 4,200 g, and a repair of a second-degree laceration was needed following the birth.
 
  The nurse assesses that the patient's uterus is boggy and deviated to the right. The patient's vaginal bleeding has increased. Which action by the nurse takes priority?
  A.
  Assess the vital signs, including blood pressure and pulse.
  B.
  Call the health-care provider to examine the woman now.
  C.
  Massage the uterine fundus with continual lower-segment support.
  D.
  Measure and document each used perineal pad to assess blood loss.