Development of Arch arteries

Question 1

Cranial most part of Truncus arteriosus forms

Answer 1

Aortic sac

Question 2

Aortic sac formed by

Answer 2

Cranial most part of Truncus arteriosus

Question 3

What happens to 1st and 2nd arch arteries

Answer 3

Disappears

Question 4

Arch of aorta is derived from

Answer 4

Left horn of Truncus arteriosus + Left 4th arch of aorta + Left dorsal aorta - caudal part.

Question 5

Right dorsal aorta caudal part -

Answer 5

Disappears

Question 6

Double aortic arch - Pathogenesis

Answer 6

Persistence of Right dorsal aorta - caudal part

Question 7

Persistence of Right dorsal aorta - caudal part causes

Answer 7

Double aortic arch

Question 8

Left brachiocephalic trunk derived from

Answer 8

Right horn of aortic sac

Question 9

Common carotid artery derived from

Answer 9

Proximal part 3rd arch artery

Question 10

Proximal part 3rd arch artery gives rise to

Answer 10

Common carotid artery

Question 11

Carotid bud is on which arch artery

Answer 11

3rd arch Artery

Question 12

3rd Arch Artery is gives rise to

Answer 12

Carotid bud

Question 13

Internal Carotid Artery is derived from

Answer 13

Distal 3rd arch Artery + Cranial part of dorsal aorta.

Question 14

Distal 3rd arch Artery + Cranial part of dorsal aorta gives rise to

Answer 14

Internal Carotid Artery

Question 15

Right subclavian Artery is derived from

Answer 15

Right 4th arch Artery + 7th intersegmental Artery + dorsal aorta cranial to intersegmental artery.

Question 16

Left subclavian Artery is derived from

Answer 16

Left 7th intersegmental artery

Question 17

4th arch Artery on left side forms

Answer 17

Arch of Aorta

Question 18

4th arch artery on right side forms

Answer 18

Right subclavian Artery

Question 19

Abnormal Right subclavian Artery - pathogenesis

Answer 19

Disappearance of Right 4th arch Artery and Right dorsal aorta cranial to 7th intersegmental artery.
Persistence of 7th intersegmental artery + Right dorsal aorta caudal to 7th ISA

Question 20

Lusoria artery is

Answer 20

Abnormal Right subclavian Artery

Question 21

Pulmonary artery is derived from

Answer 21

Proximal part of 6th arch artery

Question 22

Left distal arch artery -

Answer 22

disappears

Question 23

Right distal arch artery -

Answer 23

forms ductus arteriosus.

Question 24

Ductus arteriosus -

Answer 24

connects Pulmonary artery to Arch of Aorta

Question 25

Ductus arteriosus closes at

Answer 25

Birth.

Question 26

PDA is ____ HD

Answer 26

Acyanotic Heart Disease

Question 27

Cyanotic Heart Disease are

Answer 27

TOF, TGA.