Embryology

Question 1

maxillary artery is from the

Answer 1

first aortic arch

Question 2

common carotid/proximal internal carotid is from the

Answer 2

third aortic arch

Question 3

true aortic arch and subclavian arteries are from

Answer 3

fourth aortic arch

Question 4

stapedial artery (regresses) is from the

Answer 4

2nd aortic arch

Question 5

pulmonary arteries and ductus arteriosus are from

Answer 5

sixth aortic arch

Question 6

What happens to the fifth aortic arch?

Answer 6

obliterated

Question 7

Trigeminal nerve is from

Answer 7

1st pharyngeal arch

Question 8

superior laryngeal branch of vagus is from

Answer 8

fourth pharyngeal arch

Question 9

recurrent laryngeal branch of vagus

Answer 9

6th pharyngeal arch

Question 10

glossopharyngeal nerve

Answer 10

3rd pharyngeal arch

Question 11

facial nerve

Answer 11

2nd pharyngeal arch