nasal anatomy

Question 1

nasal cavity: roof, floor, septum, lateral,

Answer 1

roof: cribriform path, floor: hard plate, septum : ethmoid, vomer, maxilla, palentine, lateral: conchae, maxilla, palatine, lacrimal

Question 2

nasal cavity blood supply

Answer 2

opthalmic» anterior ethmoidal&raquo_space; anterior septal and lateral nasal (internal)

facial> alar, maxillary» spehnopalantine, greater Palestine (external)

Question 3

keiselbach

Answer 3

anastomosis, alar and anterior septal (perforation)

Question 4

innervation (general sensory and motor)

Answer 4

V1 (ant,. ethmoidal), v3 (palatines)

Question 5

autonomic pregang para

Answer 5

greater petrosal n

Question 6

autonomic postgang sympa

Answer 6

deep petrosal

Question 7

what drains to middle sinus?

Answer 7

frontal, anterior, maxillary

Question 8

what drains to spenhoethmoidal recess?

Answer 8

sphenoid

Question 9

what space touches floor of pituitary

Answer 9

floor of pituitary

Question 10

what drains int inferior meatus

Answer 10

nasolacrimal

Question 11

functions of sinuses

Answer 11

decrease weight of skull, increase voice resonance, buffer for facial trauma, humidify air

Question 12

what sinus infection location raises concern for ophthalmic nerve spread

Answer 12

sphenoid