ABOG Obstetric Complications & Emergency Management

Question 1

A patient delivers vaginally and has 1,200 mL blood loss within 1 hour of birth with hemodynamic instability. What is the FIRST-LINE uterotonic agent for postpartum hemorrhage?

Accepted Answer

Oxytocin IV infusion

Answer

Methylergonovine IM

Answer

Carboprost IM

Answer

Misoprostol rectal

Question 2

During vaginal delivery, shoulder dystocia is encountered. Which maneuver should be attempted FIRST after calling for help and applying suprapubic pressure?

Accepted Answer

McRoberts maneuver

Answer

Rubin II maneuver

Answer

Woods screw maneuver

Answer

Delivery of posterior arm

Question 3

A G2P1 at 38 weeks presents with a generalized tonic-clonic seizure, BP 160/110, and proteinuria. After securing the airway, what is the immediate pharmacologic priority?

Accepted Answer

Magnesium sulfate IV loading dose

Answer

Diazepam IV bolus

Answer

Labetalol IV push

Answer

Phenytoin IV infusion

Question 4

A patient with complete placenta previa is admitted at 29 weeks with painless vaginal bleeding that has now stopped. What is the most appropriate management?

Accepted Answer

Expectant management with hospitalization and antenatal corticosteroids

Answer

Immediate cesarean delivery

Answer

Cervical cerclage placement

Answer

Prostaglandin cervical ripening

Question 5

A patient with prior classical cesarean scar presents at 32 weeks with sudden severe abdominal pain, fetal bradycardia, and loss of fetal station on exam. What is the most likely diagnosis?

Accepted Answer

Uterine rupture

Answer

Placental abruption

Answer

Vasa previa rupture

Answer

Cord prolapse

Question 6

An umbilical cord is palpated in the vagina at 3 cm dilation. While preparing for emergency cesarean, what is the most important immediate action?

Accepted Answer

Manually elevate the presenting part off the cord

Answer

Place patient in lithotomy position

Answer

Administer tocolytics to stop contractions

Answer

Insert intrauterine pressure catheter

Question 7

A patient suddenly develops cardiovascular collapse, hypoxia, and DIC immediately after delivery with no other identifiable cause. Which diagnosis should be immediately suspected?

Accepted Answer

Amniotic fluid embolism

Answer

Massive pulmonary embolism

Answer

Septic shock

Answer

Uterine inversion