Aortic Arches & Great Vessels — Cardiovascular Development

Aortic Arches & Great Vessels MCQs: practice questions

Sample Aortic Arches & Great Vessels multiple-choice questions from Cardiovascular Development.

1. Which dorsal-aortic branches give rise to the celiac and mesenteric arteries?

   • A. Ventral arteries
   • B. Aortic arch 6
   • C. Lateral arteries
   • D. Posterolateral arteries
   • E. Intersegmental arteries

2. What produces a double aortic arch?

   • A. Persistence of only the left sixth arch
   • B. Persistence of the distal right dorsal aorta with an additional right arch
   • C. Regression of both dorsal aortae
   • D. Absence of the fourth arches
   • E. Failure of aortic arch 3

3. What does aortic arch 4 contribute to on the right?

   • A. Ductus arteriosus
   • B. Internal carotid artery
   • C. Proximal right subclavian artery
   • D. Pulmonary trunk
   • E. Common carotid artery

4. What does aortic arch 6 contribute to on the right?

   • A. Arch of the aorta
   • B. Part of the right pulmonary artery
   • C. Stapedial artery
   • D. Right subclavian artery
   • E. Common carotid artery

5. Which finding is characteristic of postductal coarctation?

   • A. Increased upper-extremity blood pressure with diminished femoral pulses
   • B. Severe polyhydramnios
   • C. Continuous machine-like murmur only
   • D. Increased femoral pressure with absent radial pulses
   • E. Cyanosis of the upper extremities only

6. Which embryonic arteries are present as six paired aortic arches?

7. Which drug class promotes closure of a PDA according to the source?

8. What is the direction of shunting in a typical PDA after birth?

9. What does aortic arch 4 contribute to on the left?

10. What clinical problem can a double aortic arch cause?

11. Which major embryonic artery results after the paired dorsal vessels unite?

12. What adult structure does the ductus arteriosus become?

13. What is the embryonic origin of the renal arteries in the source?

14. What is the cause of an abnormal origin of the right subclavian artery?

15. Which syndrome is clinically associated with postductal coarctation in the source?

16. Which dorsal-aortic branches supply the upper and lower extremities?

17. What is the adult derivative of aortic arch 2 listed in the source?

18. Why can prostaglandin treatment be used in selected preductal coarctation cases?

19. Around which structure does the right recurrent laryngeal nerve ultimately hook?

20. What is the adult derivative of aortic arch 1 listed in the source?

21. What does the left sixth aortic arch become?

22. Where is a postductal coarctation located?

23. What is patent ductus arteriosus?

24. What is the embryonic origin of the superior mesenteric artery in the source?

25. Which dorsal-aortic branches give rise to renal, suprarenal, and gonadal arteries?

26. What can a retroesophageal right aortic arch cause?

27. What does aortic arch 3 contribute to?

28. What developmental event produces a right aortic arch?

29. Which nerve remains hooked around the ductus arteriosus on the left?

30. Where does an anomalous right subclavian artery pass to reach the right arm?