Pterygopalatine and nasal

Question 1

Answer 1

Question 2

Answer 2

Question 3

Sensory division of nasal cavity

Answer 3

• Respiratory area: Lower 2/3rd
• Olfactory area: Upper 1/3rd

Question 4

Answer 4

Question 5

Inferior meatus opens to

Answer 5

Opening of nasolacrimal duct

Question 6

Middle meatus opens to

Answer 6

• Semilunar hiatus
• Ethmoidal bulla
• Uncinate process

Question 7

Answer 7

Question 8

Answer 8

Question 9

Drainage, supply, and innervation of sphenoid sinus

Answer 9

•Drainage: Sphenoethmoidal recess

Innervation: Post. ethmoidal n (CN V1), Pharyngeal branch of CN V2

Arterial supply: Post. ethmoidal a

Question 10

Drainage, innervation, and supply of frontal sinus

Answer 10

Question 11

Drainage, supply, and innervation of maxillary sinus

Answer 11

Question 12

Innervation and drainage of ethmoidal sinuses

Answer 12

Question 13

Answer 13

Question 14

Answer 14

Question 15

Answer 15

Question 16

Answer 16

Question 17

CNV2 becomes what and when

Answer 17

Exits PPF through infra-orbital fissure and changes name to infra-orbital nerve

Question 18

How are pain temp and touch conveyed through pterygopalatine fossa

Answer 18

Pterygopalatine branches of CN V2 convey sensory fibers through pterygopalatineganglion (no synapse)

Question 19

Answer 19

Question 20

Answer 20

Question 21

Answer 21

Question 22

Pharyngeal nerve info

Answer 22

Question 23

Posterolateral nasal branches info

Answer 23

Question 24

Answer 24

Question 25

Answer 25

Question 26

Answer 26

Question 27

Infra-orbital nerve gives rise to what alveolar nerves

Answer 27

Question 28

Autonomic fibers to pterygopalatine ganglia:

Answer 28

Question 29

Greater and deep petrosal nerves join to become:

Answer 29

Nerve of pterygoid canal

Question 30

Difference bw greater and deep petrosal nerves

Answer 30

Deep: postganglionic sympathetic, from internal carotid plexus, does not synapse at pterygopalatine ganglia

Greater: Preganglionic parasympathetic, from CN VII, synapses at pterygopalatine ganglia

Question 31

Parasympathetics path after pterygopalatine fossa

Answer 31

Question 32

Answer 32

Question 33

Branches of sphenopalatine artery

Answer 33

Question 34

Artery of pterygoid canal supplies:

Answer 34

• Travels posteriorly to pterygoid canal
• Supplies superior pharynx, auditory tube, and middle ear

Question 35

Posterior superior alveolar arteries supply:

Answer 35