help prepare for the NCC Inpatient Obstetrics
examination
Leading cause of perinatal admissions to the ICU - Correct Answers Hemorrhagic disorders
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II! Percentage of deaths related to pregnancy related hemorrhages - Correct Answers 17-25%
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II! Most maternal deaths from obstetric hemorrhage after first trimester of pregnancy are due to -
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II! Correct Answers Placental abruption II! II! II! II! II! II!
II! Race most likely to die from post partum hemorrhage - Correct Answers African Americans
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II! Mortality rate (2006) for white women, African American women and Hispanic women in the US,
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II! stated as deaths per 100,000 live births - Correct Answers White women 13.3/100,000
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African American women 32.7/100,000 II! II! II!
Hispanic women 10.2 II! II!
II! 68% of post partum hemorrhage deaths occur within _______hours of delivery - Correct
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II! Answers 48 II! II! II! II!
II! Obstetric hemorrhage is defined as a TBL or more than - Correct Answers 1000cc
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II! The classic sign of placenta previa is - Correct Answers painless vaginal bleeding in the second
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II! or third trimester of pregnancy
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,II! If you see painless vaginal bleeding in the second or third trimester of pregnancy, suspect -
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II! Correct Answers Placenta previa II! II! II! II! II! II!
II! Risk factors for placenta previa - Correct Answers previous placenta previa, advanced maternal
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II! age greater than 40, previous cesarean, short interval between pregnancies, multiparity,previous
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II! abortions with curettage, smoking, race (Asian women at greatest risk), large placenta
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II! In patients with suspected placenta previa, which comes first, a speculum examination or a
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II! confirmatory ultrasound. - Correct Answers Do the ultrasound first II! II! II! II! II! II! II! II! II! II! II! II!
II! Fetal blood volume is - Correct Answers 100ml/kg
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II! Changes noted during significant blood loss - Correct Answers Rising pulse rate
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Increase in respiratory rate II! II! II!
Skin changes to pallor
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Falling blood pressure (a late finding) II! II! II! II! II!
Decreased urinary output II! II!
Decreased LOC II!
II! Characteristic findings in FHR if mother has a significant blood loss - Correct Answers Initially, II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! tachycardia
Then bradycardia II!
Sinusoidal-fetal anemia, hypoxia and acidemia II! II! II! II!
Persistent late decelerations II! II!
II! Percentage of accreta among women with previa - Correct Answers 5-10% II! II! II! II! II! II! II! II! II! II! II! II! II! II!
, II! If patient has had 2 or more cesarean sections, the likelihood of an accreta is - Correct Answers
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II! Greater than 50% II! II!
II! Vasa previa - Correct Answers Fetal vessels cross the placental membranes in the lower uterine
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II! segment and cover the cervical os II! II! II! II! II!
II! Velamentous cord insertion - Correct Answers Fetal vessels run across chorion and amnion II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! without protective Wharton's jelly before entering the placental surface
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II! Succenturiate placenta - Correct Answers One or more small accessory lobes of placental II! II! II! II! II! II! II! II! II! II! II! II! II! II! II! II!
II! vascular tissue in membranes that are attached to main placenta by fetal vessels
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II! Hemolysis - Correct Answers lysis of erythrocytes with the release of hemoglobin
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II! HELLP - Correct Answers Hemolysis, Elevated Liver Enzymes, Low Platelets
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II! Per AWHONN, patients with placenta previa should not be discharged to home until they have
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II! gone_____hours with not bleeding - Correct Answers 72 hours II! II! II! II! II! II! II! II! II! II! II! II!
II! Classic symptom of placental abruption - Correct Answers Painful vaginal bleeding after 20
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II! weeks gestation II!
II! Risk factors for placental abruption - Correct Answers Smoking increases risk 90%
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Maternal hypertension 500% increased risk II! II! II! II!
Multiparity
Abortions
Illicit drug use II! II!
Short umbilical cord II! II!