When increasing the IV infusion rate of terbutaline (Brethine) 0.01 mg/min every 30 minutes, the nurse knows to stop increasing the rate when the:
a. maximum dose of 0.1 mg/min is reached.
b. systolic blood pressure falls below 110 mm Hg.
c. contractions are less than two in a 10-minute period.
d. maternal heart rate remains over 120 beats/min.
ANS: D
The infusion rate is not increased or may be decreased if the maternal pulse rate remains over 120 beats/min (bpm). A maximum dose of 0.1 mg is above the recommended maximum rate, systolic blood pressure below 110 mm Hg may be a normal finding for this client, and the medication should continue to be increased until the maximum level is reached or contractions stop.
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