Fetal circulation — Flashcards

Flashcard 1: In which week of embryogenesis does the heart begin to beat? _____

Answer: Week 4 (4 weeks = 4 heart chambers)

Flashcard 2: The primary heart tube _____ to establish left-right polarity beginning in week 4 of gestation

Answer: loops

Flashcard 3: The embryonic _____ gives rise to the AV and semilunar valves

Answer: endocardial cushion

Flashcard 4: The heart beats spontaneously by week _____ of embryonic development

Answer: 4

Flashcard 5: The remaining portion of the septum primum, following foramen ovale formation, forms the _____

Answer: valve of foramen ovale

Flashcard 6: The 6th aortic arch forms the _____ artery and _____.

Answer: pulmonary

Flashcard 7: The 4th aortic arch forms the _____ artery.

Answer: adult aortic arch and subclavian

Flashcard 8: aorticopulmonary septum

Answer: neural crest

Flashcard 9: Embryological origin of most cardiovascular structures

Answer: mesoderm

Flashcard 10: The embryonic _____ gives rise to the ascending aorta and pulmonary trunk

Answer: truncus arteriosus

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/embryology?index=2] https://onlinemeded.org/spa/cardiac/cyanotic-congenital-heart-disease/acquire?ref=anki