Cardioembryology

Question 1

Truncus arteriosus gives rise to?

Answer 1

Ascending aorta and pulmonary trunk

Question 2

Bulbus cordis gives rise to?

Answer 2

Smooth parts (outflow tract) of left and right ventricles

Question 3

Primitive atrium gives rise to?

Answer 3

Trabeculated part of left and right atria

Question 4

Primitive ventricle

Answer 4

Trabeculated part of left and right ventricles

Question 5

Primitive pulmonary vein

Answer 5

Smooth part of left atrium

Question 6

Left horn of sinus venosus

Answer 6

Coronary sinus

Question 7

Right horn of sinus venosus

Answer 7

Smooth part of the right artium

Question 8

Cardinal Vein

Answer 8

SVC

Question 9

When does the heart start to beat spontaneously; at what week?

Answer 9

week 4

Question 10

Foramen Ovale is made by the Septum?

Answer 10

Secundum

Question 11

Fetal Erythropoiesis occurs in what 4 places at what times?

Answer 11

Young Liver Synthesizes BloodYolk sac (3–8 weeks)ƒ Liver (6 weeks–birth)ƒ Spleen (10–28 weeks)ƒ Bone marrow (18 weeks to adult)

Question 12

What is Fetal hemoglobin?

Answer 12

A2G2

Question 13

What is Adult hemoglobin?

Answer 13

A2B2

Question 14

AllaNtois=>urachus becomes the?

Answer 14

MediaN umbilical ligament

Question 15

Ductus arteriosus

Answer 15

Ligamentum arteriosum

Question 16

Ductus Venosus

Answer 16

Ligamentum venosum

Question 17

Foramen ovale

Answer 17

fossa ovalis

Question 18

Notochord

Answer 18

Nucleus pulpous

Question 19

UmbiLical arteries

Answer 19

MediaL umbilical ligaments

Question 20

Umbilical vein

Answer 20

Ligamentum teres hepatis