Embryology

Question 1

Which nerve is supplies the 1st branchial arch?

Answer 1

Mandibular branch of trigeminal

Question 2

The 1st branchial arch is supplied by which nerve?

Answer 2

Mandibular branch of trigeminal (Cr. N. V3)

Question 3

The 2nd branchial arch is supplied by which nerve?

Answer 3

Facial nerve (Cr. N. VII)

Question 4

The 3rd branchial arch is supplied by which nerve?

Answer 4

Glossopharyngeal nerve (Cr. N. IX)

Question 5

The 4th branchial arch is supplied by which nerve?

Answer 5

Superior laryngeal branch of vagus (Cr. N. X)

Question 6

The 5th branchial arch is supplied by which nerve?

Answer 6

There is no 5th arch in humans

Question 7

The 6th branchial arch is supplied by which nerve?

Answer 7

Recurrent laryngeal branch of vagus (Cr. N. X)

Question 8

Name the 5 processes/prominences which the face develops from

Answer 8

One frontonasal process
Two maxillary processes
Two mandibular processes

Question 9

Condition of facial deformity caused by the early fusion of skull bones

Answer 9

Craniosynostosis

Question 10

Condition of facial deformity caused by failure of the palatine shelves and philtrum to fuse

Answer 10

Cleft lip/palate

Question 11

Which nerve is supplies the 2nd branchial arch?

Answer 11

Facial nerve

Question 12

Which nerve is supplies the 3rd branchial arch?

Answer 12

Glossopharyngeal nerve

Question 13

Which nerve is supplies the 4th branchial arch?

Answer 13

Superior laryngeal branch of vagus

Question 14

Which nerve is supplies the 5th branchial arch?

Answer 14

There is no 5th branchial arch in humans

Question 15

Which nerve is supplies the 6th branchial arch?

Answer 15

Recurrent laryngeal branch of vagus

Question 16

Bones of skull fuse too early causing facial deformity

Answer 16

Craniosynostosis

Question 17

Name the 5 processes that the face develops from

Answer 17

One frontonasal process, two maxillary proccesses, two mandibular processes