Shoulder dystocia (1276/1700)

A pt is at term and labor. The head has been delivered and you suspect shoulder dystocia. What is the single most appropriate action?
a. C-section
b. Episiotomy
c. External rotation
d. Fetal scalp blood sample
e. Instrumental delivery

answer: B

Shoulder dystocia is an obstetric emergency, the method of delivery involves a series maneuvers to to displace the impacted shoulder, but generally an episiotomy is preformed beforehand to provide some relief of pressure on the fetal head.