Cardiac Development

Question 1

The bulbus cordis forms

Answer 1

Smooth parts of ventricles

Question 2

The endocardial cushion forms

Answer 2

Septum’s and valves

Question 3

Left horn of sinus venous forms

Answer 3

Coronary sinus

Question 4

Prosterior, subcardinal, and supracardinal veins form

Answer 4

IVC

Question 5

Primitive pulmonary veins form

Answer 5

Right atria smooth

Question 6

Right common cardinal vein and right anterior cardinal vein form

Answer 6

SVC

Question 7

Right horn of sinus venosus forms

Answer 7

Smooth part of right atrium

Question 8

Truncus arteriosus form

Answer 8

AA and PT

Question 9

What is patent foramen ovale

Answer 9

Failure of septum primum/secundum to fuse. Left to right shunt

Question 10

Neural crest and endocardial cell migrations form

Answer 10

Truncates and bulbar ridges

AA and PT

Question 11

Examples Conotruncal abnormalities associated with failure of neural crest cells to migrate

Answer 11

Transposition of great vessels
Teratology of Fallot
Persistent truncus arteriosus

Question 12

the aortic/pulmmonary and mitral/ tricuspid are derived from

Answer 12

Endocardial cushion

Question 13

The allantois becomes the

Answer 13

Median umbilical ligament

Question 14

The ductus arteriosus becomes

Answer 14

Ligamentum arteriosum

Question 15

The umbilical vein becomes the

Answer 15

Ligamentum teres hepatis

Question 16

What is tricuspid atresia

Answer 16

When there is a defect in the atrial septum and the tricuspid valve is bypassed

Question 17

Patent ductus arteriosus is an examples of

Answer 17

Transposition of great vessels