In a Routine Prenatal Visit,the Nurse Examining a Patient Who

In a routine prenatal visit,the nurse examining a patient who is 37 weeks pregnant notices that the fetal heart rate (FHR) has dropped to 120 beats/min from a rate of 160 beats/min earlier in the pregnancy.What is the nurse's first action?

A) Ask if the patient has taken a sedative.
B) Notify the physician.
C) Turn the patient to her right side.
D) Record the rate as a normal finding.