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A 22-year-old pregnant woman at 20 weeks of gestation comes to her OB/GYN for a scheduled prenatal examination. Routine blood tests indicate that her serum a-fetoprotein (AFP) con- centration is markedly increased for her gestational age. Ultra- sonography reveals a lower lumbar spina bifida in the fetus. During which weeks of gestation did this defect most likely occur? (A) 1 to 2 weeks (B) 4 to 6 weeks (C) 9 to 11 weeks (D) 12 to 15 weeks (E) 16 to 19 weeks

A 22-year-old pregnant woman at 20 weeks of gestation comes to her OB/GYN for a scheduled prenatal examination. Routine blood tests indicate that her serum a-fetoprotein (AFP) con- centration is markedly increased for her gestational age. Ultra- sonography reveals a lower lumbar spina bifida in the fetus. During which weeks of gestation did this defect most likely occur? (A) 1 to 2 weeks (B) 4 to 6 weeks (C) 9 to 11 weeks (D) 12 to 15 weeks (E) 16 to 19 weeks

Anatomy & Physiology
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter28: Development And Inheritance
Section: Chapter Questions
Problem 37CTQ: Devin is 35 weeks pregnant with her first child when she arrives at the birthing unit reporting that...
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A 22-year-old pregnant woman at 20 weeks of gestation comes to her OB/GYN for a scheduled prenatal examination. Routine blood tests indicate that her serum a-fetoprotein (AFP) con- centration is markedly increased for her gestational age. Ultra- sonography reveals a lower lumbar spina bifida in the fetus. During which weeks of gestation did this defect most likely occur? (A) 1 to 2 weeks (B) 4 to 6 weeks (C) 9 to 11 weeks (D) 12 to 15 weeks (E) 16 to 19 weeks
Transcribed Image Text:A 22-year-old pregnant woman at 20 weeks of gestation comes to her OB/GYN for a scheduled prenatal examination. Routine blood tests indicate that her serum a-fetoprotein (AFP) con- centration is markedly increased for her gestational age. Ultra- sonography reveals a lower lumbar spina bifida in the fetus. During which weeks of gestation did this defect most likely occur? (A) 1 to 2 weeks (B) 4 to 6 weeks (C) 9 to 11 weeks (D) 12 to 15 weeks (E) 16 to 19 weeks
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