ANAT 1030: Head/Neck: Nasal & Oral
Cavities UPDATED ACTUAL Exam
Questions and CORRECT Answers
lateral cartilage (sides of nostrils) and alar cartilage (flares of nose) are paired
septal cartilage is thin line down centre of nose - CORRECT ANSWER - describe the 3
cartilages of the external nose
nasal part of frontal bone
nasal bones
frontal process of maxilla - CORRECT ANSWER - what are the 3 bones of the external nose?
frontal bone, nasal bone, ethmoid bone, sphenoid bone, vomer, palatine bone, and maxilla -
CORRECT ANSWER - 7 bones of the medial wall of the nasal cavity
frontal bone, nasal bone, ethmoid bone, sphenoid bone, palatine bone, maxilla, superior nasal
concha, middle nasal concha, inferior nasal concha - CORRECT ANSWER - 9 bones of the
lateral wall of the nasal cavity
nare - CORRECT ANSWER - Openings into the nasal cavity, both internally and externally,
in the head of a vertebrate
nasal vestibule - CORRECT ANSWER - nasal cavity superior to nostrils
meatus - CORRECT ANSWER - canal-like passageway underneath each of the nasal concha
olfactory: superior 1/3 to smell
respiratory: inferior 2/3 to warm and moisten air - CORRECT ANSWER - how are the 2 areas
of the nasal cavity divided? what are their functions?
, external carotid artery - maxillary artery
internal carotid artery - opthalmic artery - CORRECT ANSWER - what two arteries (and the
branch) supply the nasal cavities?
Kiesselbach's area - CORRECT ANSWER - site of anastomosis of external and internal
carotid arteries on the anteroinferior part of the nasal septum; common site for
epistaxis/nosebleeds
-Opthalmic branch of trigeminal nerve (CN V1)
-Maxillary branch of trigeminal nerve (CNV2) - CORRECT ANSWER - what 2 nerves
supply GENERAL sensory innervation to the nasal cavity?
receptors in olfactory epithelium to olfactory nerves (pass thru cribriform plate) which synapse
on olfactory bulb and then on olfactory tract to convey impulses to the brain - CORRECT
ANSWER - explain special sensory innervation of the nose
frontal, ethmoid, sphenoid, maxillary - CORRECT ANSWER - 4 paranasal sinuses
voice resonation
warm and humidify air
decrease skull weight - CORRECT ANSWER - 3 functions of paranasal sinuses
frontonasal duct to semilunar hiatus to middle meatus - CORRECT ANSWER - explain how
frontal sinuses drain
anterior: semilunar hiatus to middle meatus
middle: ethmoid bulla to middle meatus
posterior: superior meatus - CORRECT ANSWER - explain how the 3 ethmoidal sinuses
drain
Cavities UPDATED ACTUAL Exam
Questions and CORRECT Answers
lateral cartilage (sides of nostrils) and alar cartilage (flares of nose) are paired
septal cartilage is thin line down centre of nose - CORRECT ANSWER - describe the 3
cartilages of the external nose
nasal part of frontal bone
nasal bones
frontal process of maxilla - CORRECT ANSWER - what are the 3 bones of the external nose?
frontal bone, nasal bone, ethmoid bone, sphenoid bone, vomer, palatine bone, and maxilla -
CORRECT ANSWER - 7 bones of the medial wall of the nasal cavity
frontal bone, nasal bone, ethmoid bone, sphenoid bone, palatine bone, maxilla, superior nasal
concha, middle nasal concha, inferior nasal concha - CORRECT ANSWER - 9 bones of the
lateral wall of the nasal cavity
nare - CORRECT ANSWER - Openings into the nasal cavity, both internally and externally,
in the head of a vertebrate
nasal vestibule - CORRECT ANSWER - nasal cavity superior to nostrils
meatus - CORRECT ANSWER - canal-like passageway underneath each of the nasal concha
olfactory: superior 1/3 to smell
respiratory: inferior 2/3 to warm and moisten air - CORRECT ANSWER - how are the 2 areas
of the nasal cavity divided? what are their functions?
, external carotid artery - maxillary artery
internal carotid artery - opthalmic artery - CORRECT ANSWER - what two arteries (and the
branch) supply the nasal cavities?
Kiesselbach's area - CORRECT ANSWER - site of anastomosis of external and internal
carotid arteries on the anteroinferior part of the nasal septum; common site for
epistaxis/nosebleeds
-Opthalmic branch of trigeminal nerve (CN V1)
-Maxillary branch of trigeminal nerve (CNV2) - CORRECT ANSWER - what 2 nerves
supply GENERAL sensory innervation to the nasal cavity?
receptors in olfactory epithelium to olfactory nerves (pass thru cribriform plate) which synapse
on olfactory bulb and then on olfactory tract to convey impulses to the brain - CORRECT
ANSWER - explain special sensory innervation of the nose
frontal, ethmoid, sphenoid, maxillary - CORRECT ANSWER - 4 paranasal sinuses
voice resonation
warm and humidify air
decrease skull weight - CORRECT ANSWER - 3 functions of paranasal sinuses
frontonasal duct to semilunar hiatus to middle meatus - CORRECT ANSWER - explain how
frontal sinuses drain
anterior: semilunar hiatus to middle meatus
middle: ethmoid bulla to middle meatus
posterior: superior meatus - CORRECT ANSWER - explain how the 3 ethmoidal sinuses
drain
