Cardiac Embryology Complete Exam Set Questions and Verified Answers (solutions).docx

Cardiac Embryology Complete Exam
Set Questions and Verified Answers
(solutions)
Learning Objectives -
correct answer ✅1. Know the embryonic origin of the cells that
form the heart.
2. Understand the major steps in heart development
- Development of the atria and ventricles
- Separation
3. Know the flow of blood during fetal circulation
4. Understand the causes of common heart deformities mentioned
in lecture


Cardiac embryology timeline -
correct answer ✅

,Cardiac Embryology Complete Exam
Set Questions and Verified Answers
(solutions)




Overview: first two weeks of development -
correct answer ✅

,Cardiac Embryology Complete Exam
Set Questions and Verified Answers
(solutions)
How is mesoderm formed? -
correct answer ✅During gastrulation: formed from ectodermal
cells that migrate from the primitive streak




What happens to mesoderm once it is formed? -
correct answer ✅Will differentiate into specialized regions
1. Paraxial mesoderm
- Somites → muscles
2. Intermediate mesoderm
- Gonads, kidneys
3. *Lateral mesoderm, aka lateral plate*
- Heart! (and other things)

, Cardiac Embryology Complete Exam
Set Questions and Verified Answers
(solutions)




Differentiation of lateral plate -
correct answer ✅*Dorsal:* Somatic mesoderm → parietal serous
pericardium
*Ventral:* Splanchnic mesoderm → "heart forming fields" formed
by aggregating cells