Prenatal Care — Flashcards

Flashcard 11: List the materal components of the placenta.

Answer: dedicua basalis

Flashcard 12: List the fetal components of the placenta.

Answer: cytotrophoblast, syncytiotrophoblast

Flashcard 13: What is the purpose of the placenta?

Answer: primary site of nutrient and gas exchange between fetus and mother

Flashcard 14: What is the leading cause of congenital malformations in the US?

Answer: fetal alcohol syndrome

Flashcard 15: Before week 3, teratogens tend to exert _____ effects on the zygote.

Answer: all-or-none

Flashcard 16: What defines "Day 0" of embryogenesis?

Answer: fertilization of egg by sperm

Flashcard 17: The embryo implants and begins secreting hCG during _____ of embryogenesis.

Answer: week 1

Flashcard 18: The embryo develops into a bilaminar disk by _____ of embryogenesis.

Answer: week two

Extra: 2 weeks = 2 layers

Flashcard 19: The embryo develops into three layer during _____ of embryogenesis.

Answer: week three

Extra: 3 weeks = 3 layers

Flashcard 20: Organogenesis occurs during weeks _____ of embryogenesis.

Answer: 3-8