Following a minor motor vehicle collision, a client at 36-weeks gestation is brought to the emergency center. She is lying supine on a backboard, is awake, and denies any complaints. Her blood pressure is 80/50 mmHg and her heart rate is 130 beats/minute. Which action should the nurse implement first?

D Palpate the abdomen for contractions. B Obtain a blood sample for a complete blood count. C Tilt the backboard sideways to displace the uterus laterally. A Infuse 1,000 mL normal saline using a large bore IV.