Pharyngeal Arch Structures

Question 1

Which aortic arch is associated with the maxillary arter?

Answer 1

1st

Question 2

Which aortic arch is assocaited with the hyoid and stapedial arteries?

Answer 2

2nd

Question 3

Which aortic arch is associated with the internal carotid artery?

Answer 3

3rd

Question 4

Which aortic arch is associated with the right subclavian artery and aorta?

Answer 4

4th

Question 5

What cranial nerve is associated with the 1st pharyngeal arch?

Answer 5

CN V trigeminal

Question 6

What cranial nerve is associated with the 2nd pharyngeal arch?

Answer 6

CN VII facial

Question 7

What cranial nerve is associated with the 3rd pharyngeal arch?

Answer 7

CN IX glossopharyngeal

Question 8

What cranial nerve is associated with the 4th pharyngeal arch?

Answer 8

CN X vagus

Question 9

Muscular derivatives of arch 1

Answer 9

• muscles of mastication
• tensor tympani
• mylohyoid
• tensor veli palatini
• anterior belly of digastric

Question 10

Muscular derivatives of arch 2

Answer 10

• muscle of fascial expression
• stapedius
• stylohyoid
• posterior belly of digastric

Question 11

Muscular derivative of arch 3

Answer 11

stylopharyngeus

Question 12

Muscular derivatives of arch 4

Answer 12

pharyngeal and laryngeal musculature

Question 13

Skeletal derivates of arch 1

Answer 13

malleus, incus, sphenomandibular ligament, Meckel’s cartilage, tympanic ring

Question 14

Skeletal derivatives of arch 2

Answer 14

stapes, styloid process, stylohyoid ligament, lesser horm of hyoid, part of body of hyoid

Question 15

Skeletal derivatives of arch 3

Answer 15

greater horn of hyoid, part of body of hyoid

Question 16

Skeletal derivatives of arch 4

Answer 16

Laryngeal cartilages