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26 Cards in this Set

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the ... is in the midline of 2 nasal cavities and the openings to these 2 cavities are:
1.
2.
3.
4.
nasal septum
1. Anterior nares
2. Posterior nares (choanae)
3. Paranasal sinuses (4)
4. Nasolacrimal duct
identify the labeled structures:
a.
b.
c.
d.
(see image)
identify the labeled structures:
a.
b.
c.
d.
(see figure)
identify the labeled structures:
a.
b.
(see figure)
what are the functions of the nasal cavity:
1.
2.
3.
4.
5.
1. Olfaction (CN1)
2. Respiration
3. Filtration of dust
4. Warm & add moisture to air
5. Receive & eliminate secretions from nasolacrimal duct & paranasal sinuses
Olfactory nerve (CN I)is (motor/sensory/mixed) and there are (how many ...) nerves that travel through the
... plate of the ... bone and synapse in olfactory ... traveling in the ... tract to the ... bypassing the ...
sensory
20
cribriform plate
ethmoid
bulb
olfactory
cerebrum
thalamus
... opens into the sphenoid sinuses
sphenoethmoidal recess
identify the labeled structures:
a.
b.
c.
d.
e.
(see figure)
what does this describe:
1. head hits pavement and brain slides back striking back of skull
2. olfactory bulb is pulled backward, stretching and tearing olfactory nerves
3. brain rebounds forward and strikes front of skull stretching and tearing ofactory nerves again
shear injury to the olfactory nerves
the upper 1/3 of the nasal cavity is for ...
smell
the lower 2/3 of the nasal cavity is for ...
respiration
identify the labeled structures:
a.
b.
c.
d.
(see figure)
identify numbered structures 1-7:
(see figure)
identify the labeled structures:
(see figure)
what are the major arteries of the nasal septum:
1.
2.
3.
4.
5.
1. anterior ethmoidal
2. posterior ethmoidal
3. sphenopalatine
4. greater palatine
5. branch of superior labial
what are the origins of these arteries:

1. anterior ethmoidal
2. posterior ethmoidal
3. sphenopalatine
4. greater palatine
5. branch of superior labial
1. anterior ethmoidal (ophthalmic a.)
2. posterior ethmoidal (ophthalmic a.)
3. sphenopalatine (maxillary a.)
4. greater palatine (maxillary a.)
5. branch of superior labial (facial a.)
what are the nerves to the nasal septum:
1.
2.
1. anterior ethmoidal (nasociliary of V1)
2. nasopalatine (maxillary of V2)
what are the 4 paranasal sinuses:
1.
2.
3.
4.
frontal
maxillary
ethmoid
sphenoid
all of the paranasal sinuses are lined with ...
mucous membrane
identify the numbered nasal sinus openings:
1-6
(see figure)
... is the largest nasal sinus and is lined with a mucous membrane which is ... on ... and it has a small opening into ... for drainage
maxillary
epithelium
connective tissue
middle meatus
what is happening in this picture?
Ostium swells & closes and is trapping infection in the maxillary sinus
what does this picture demonstrate:
(see figure)
what percent ... of sinusitis is due to a dental source and the first ... molar is usually the tooth involved because of its location which is ...
10%
maxillary
it's roots lie in floor of the maxillary sinus
identify the labeled structures: and what is the name of this sinus?
(see figure)
identify the resulting field of vision in the diagram from the optic nerve lesion:
(see figure)