单选题
Which of the following assessments indicates fetal distress? A. Fetal scalp pH of 7.14. B. Fetal heart rate (FHR) of 144 beats/minute. C. Acceleration of FHR with contractions. D. Long-term variability.
【正确答案】
A
【答案解析】A scalp pH of less than 7.25 indicates acidosis and fetal hypoxia. The other options are normal responses of a healthy fetus to labor.