Reviewer OB Flashcards
(38) G4P3 (3003) with gestational diabetes admitted at 39 weeks in imminent delivery. EFW 4000 grams. There was difficulty in delivering the shoulder 1 minute after delivery of the head. Which of the following maneuvers should be performed initially?
a. Rubin
b. Woods corkscrew
c. McRoberts
d. Zavanelli
(39) G1P0 38 weeks AOG with mild uterine contractions every 10 to 30 minutes lasting for 15 to 20 seconds for more than 20 hours. IE cervix 2 cm dilated, 1 cm long, soft, LOT, station -2, intact BOW, vital signs normal, FHT reassuring. What is the management?
a. Amniotomy
b. Oxytocin augmentation
c. Bed rest with sedation
d. Cesarean delivery for prolonged labor
(55) G1P0 40 weeks AOG in active labor for 14 hours. With contractions of 250 MVU, LOA station +2/5 with 2 cm caput. She has been actively pushing for 3 hours with no progress. What is the management?
a. Oxytocin augmentation
b. Cesarean delivery
c. Vacuum extraction
d. Forceps delivery
(56) The cervix begins to be retracted around the fetal presenting part and then pulled in more cephalad direction during which phase of labor?
a. Second stage
b. Acceleration
c. Maximum slope
d. Deceleration
(62) Clinical pelvimetry of G1P0 at 38 weeks revealed sacral promontory not reached at 11.5 cm, straight sidewalls, spines not prominent, subpubic arch 90 degrees. What is your interpretation?
a. Inlet contraction
b. Midplane contraction
c. Clinically adequate pelvis
d. Outlet contraction
(80) Abnormalities in descent should be diagnosed during which division of labor?
a. Preparatory
b. All divisions of labor
c. Pelvic
d. Dilatational
(81) G1P0 39 weeks AOG admitted with 5 cm dilated cervix 60% effaced, cephalic, station 0, intact BOW, contractions every 6 to 8 minutes, 30 to 40 seconds duration, mild to moderate. Three hours later, cervix 6 cm dilated, station 0, contractions every 5 minutes, 40 seconds duration, mild to moderate. Two hours later, cervix 7 cm dilated, 70% effaced, station 0, contractions every 4 to 5 minutes moderate. What is the labor pattern?
a. Arrest in cervical dilatation
b. Protracted cervical dilatation
c. Prolonged latent phase
d. Normal
(85) A primigravida at 42 weeks AOG: FH - 34 cms, FHT - 150/min; IE: cervix 1 cm dilated, beginning effacement, cephalic intact bag of waters, station 0. What is the next step in management?
a. Await progress of labor
b. Cesarean section
c. CST prior to induction of labor
d. Immediate amniotomy
(86) Abdominal exam of G6P5 (5005) in active labor whose largest baby weighed 3600 grams revealed L1 nodular mass, L2 fetal back on the left, fetal small parts on the right, L3 round hard mass, L4 cephalic prominence on the left. IE palpable facial features with fetal chin directed towards the symphysis pubis. EFW 2800 grams. What is the management?
a. Vacuum extraction
b. Await vaginal delivery
c. Forceps delivery
d. Cesarean delivery
(87) G1P0 40 weeks AOG admitted with 6 cm dilated cervix 60% effaced, LOA station -2, contractions 180 MVU intact membranes. Two hours later, cervix fully dilated, fully effaced, LOA station -1, contractions 280 MVU. Findings remained the same for 3 hours. What is the diagnosis?
a. Prolonged second stage
b. Prolonged deceleration
c. Prolonged deceleration phase with failure of descent
d. Prolonged second stage with failure of descent
(89) G1P0 39 weeks AOG has been at 9 cm cervical dilatation for 4 hours in spite of good uterine contractions. What is the labor pattern?
a. Protracted cervical dilatation
b. Prolonged second stage
c. Arrest in cervical dilatation
d. Prolonged deceleration phase
(2) G2P1 (1001) with fully dilated cervix for 2 hours, ruptured membranes, direct occiput posterior, station +4 with 1 cm caput, with variable decelerations on CTG. What is the management?
a. Cesarean delivery
b. Await spontaneous delivery
c. Forceps extraction as occiput posterior
d. Manual rotation of the head to occiput anterior position followed by forceps extraction
(10) G1P0 40 weeks in active labor for 15 hours stayed at 9 cm dilatation at station 0 for 4 hours. CPD should be suspected at what level of the pelvis?
a. Midplane
b. Inlet
c. Outlet
(11) According to the recommendation of the Obstetric Care Consensus Committee, cesarean delivery for active phase arrest should be reserved for women with ruptured membranes and good contractions with cervical dilatation of 6 cm or more and no progress for
a. 5 hours
b. 2 hours
c. 4 hours
d. 3 hours
(22) Which of the following is a characteristic of hypertonic uterine dysfunction?
a. Contraction of the midsegment of the uterus is stronger than that of the fundus
b. Pressure during a contraction is insufficient to dilate the cervix
c. Occurs during the active phase of labor
d. Managed with uterotonics
(30) Which of the following statements is TRUE regarding the cardinal movements of breech delivery?
a. The fetal head is born by flexion.
b. The posterior hip usually descends more rapidly than the anterior hip.
c. The bi-trochanteric diameter is in the transverse diameter during descent.
d. The back of the fetus is directed posteriorly.
(50) G1 P0 39 weeks AOG in active labor for 12 hours, uterine contractions 160 Montevideo units, IE cervix 5 cm dilated 60% effaced, LOT station -1, intact BOW with clinically adequate pelvis. EFW: 3,000 grams What is the abnormality?
a. Psyche
b. Powers
c. Passenger
d. Passage
A 30-yr-old, G5P2 (0312), 14 weeks AOG consults for prenatal care. She is a non-smoker and non-alcoholic beverage drinker. Pre-pregnancy weight was 120 lbs; present weight is 125 lbs. Which of the following puts her at risk for preterm birth?
a. Lifestyle
b. Weight gain
c. Age
d. Obstetric history
What is the dosage of Betamethasone?
a. 12 mg every 24 hours for 2 doses
b. 6 mg every 24 hours for 4 doses
c. 12 mg every 12 hours for 2 doses
d. 6 mg every 12 hours for 4 doses
How is term pregnancy defined?
a. 37-39 weeks
b. 38-40 weeks
c. 37-42 weeks
d. 39-41 weeks
A G3P2 (2002), 41 weeks AOG, consults for prenatal check-up. FH – 31 cms, FHT – 145/min; IE: cervix is closed, uneffaced, posterior, cephalic, intact bag of waters floating. What is the management?
a. Await spontaneous onset of labor
b. Start labor induction
c. Perform stripping of the membranes
d. Perform BPS and CST
When is the best time to measure fetal fibronectin?
a. 23-27 weeks
b. 8-12 weeks
c. 18-22 weeks
d. 13-17 weeks
Which of the following may cause fetal bone thinning and fractures after prolonged use?
a. Magnesium sulfate
b. Nifedipine
c. Terbutaline
d. Isoxsuprine
G1P0 delivered vaginally after 2 hours of labor. Which of the following maternal complications is LEAST LIKELY to be observed?
a. Extensive lacerations of cervix, vagina, vulva, or perineum
b. Amniotic fluid embolism
c. Uterine rupture
d. Postpartum hemorrhage