问题
单项选择题
The nurse applies a fetal monitor to a 15-year-old primagravida admitted to the hospital with possible pregnancy-induced hypertension. Which monitor pattern would the nurse expect to observe if the client is experiencing uteroplacental insufficiency（）
A. Late deceleration.
B. Early deceleration.
C. Variable deceleration.
D. Fetal acceleration.
答案
参考答案：A
解析：
Late deceleration is caused by uteroplacental insufficiency. Early deceleration is caused by head compression, and variable deceleration is caused by umbilical cord compression. Fetal acceleration is a sign of fetal well-being.