Which is the appearance of placenta abruption?()
A. painless hemorrhage,
B. Unrelated to activity, sudden onset ,
C. the uterus is soft ,High floating of presenting part
D. Uteru is greater than the gestational age, fundus rise,fetal distress.
E. Ultrasonography is totally reliable. Negative findings can exclude placental abruption.
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which of the following is right about placenta previa?()
A. vaginal examination is necessary when admitted to hospital.
B. Partial placenta previa has severe vaginal bleeding.
C. severe and persist lower abdominal pain
D. May cause Uteroplacental apoplexy.
E. the uterus is soft ,High floating of presenting part
Which is the cause of postpartum hemorrhage?()
A. Uterine Atony
B. Placenta factor
C. Laceration of birth canal
D. coagulation defects
E. above all
Which is not the reason of rupture of uterus?()
A. scarred uterus
B. obstructive dystocia
C. unreasonable use of contractive drugs
D. injury caused by obstetrical operation
E. the psychological factor
The second stage is ______()
A. the interval between the onset of labor and full cervical dilation(10cm)
B. the period of the delivery of the infant
C. the period of the delivery of the placenta
D. appoximately 2 hours after delivery of the placenta
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