Which extraembryonic membrane serves as the foundation for the umbilical cord?
A) Amnion
B) Chorion
C) Allantois
D) Yolk sac
Correct Answer:
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Q9: What role is served by the ductus
Q10: Most of the organs are developed during
Q11: If the ductus arteriosus fails to close
Q12: The umbilical cord contains
A) two umbilical arteries
Q13: Gestation typically lasts about
A) 40 weeks.
B) 42
Q15: What is human chorionic gonadotropin, and what
Q16: What key developmental task initiates the beginning
Q17: Which statement about the amnion is accurate?
A)
Q18: Which of the following statements about the
Q19: Which extraembryonic membrane eventually forms the fetal
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