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Obstetrical Hemorrhage

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Which of the following is true of obstetrical hemorrhage?

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a. It is the leading cause of maternal death worldwide.

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b. It is no longer a leading cause of maternal death in the United States.

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c. Only 5% of maternal deaths in the United States are due to obstetrical hemorrhage.

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d. All of the above

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Given the diagram shown here, what can be said regarding blood loss at delivery?

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Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Maternal physiology. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 41-1.

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a. It is common to lose more than 500 mL with vaginal delivery.

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b. It is common to lose more than 1000 mL with cesarean delivery.

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c. It is common to lose more than half of maternal blood volume with cesarean hysterectomy.

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d. All of the above

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For a woman measuring 5 ft 0 in. and 120 lb, what is her expected pregravid blood volume?

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a. 3000 mL

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b. 3250 mL

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c. 3500 mL

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d. 3800 mL

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Given the diagram shown here. Assuming a 50% increase in blood volume during normal pregnancy, what would the blood volume of the woman approximate at 38 weeks’ gestation?

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Reproduced with permission from Cunningham FG, Leveno KJ, Bloom SL, et al (eds): Maternal physiology. In Williams Obstetrics, 24th ed. New York, McGraw-Hill, 2014, Figure 41-1.

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a. 4000 mL

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b. 4500 mL

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c. 5250 mL

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d. 5700 mL

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Midtrimester bleeding is associated with which of the following?

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a. Placenta previa

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b. Placental abruption

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