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Retired NBME 17 Answers

nbme17/Block 0/Question#0 (reveal difficulty score)
22-year-old woman, gravida 1, para 1... ...
Internal iliac ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: anatomy repro

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submitted by โˆ—cassdawg(1781)
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Ligation of the internal iliac artery is used to stop postpartum uterine bleeding while preserving fertility as the ovarian arteries provide collateral circulation (FA2020 p640).

Here is an image showing the uterine artery coming off the internal iliac with the ovarian artery collateral.

Other answers:

  • The external iliac gives rise to the femoral artery, inferior epigastric artery, and the deep circumflex iliac artery
  • The internal pudendal artery supplies the external genetalia and perineum via arteries such as the inferior rectal artery (anal canal BELOW the pectinate line), perineal artery, and ldorsal/deep arteries of the clitoris or dorsal/deep arteries of the penis
  • The median sacral artery is small and supplies the coccyx/sacrum/lumbar vertebrae
  • The obturator artery is a branch of the internal iliac which gives off the pubic branch (supplies pelvic muscles) and acetabular branch (supplies head of the femur)
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cheesetouch  fa2018 p624 +5



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