Olfactory epithelium is located below _____________________.
cribiform plate of ethmoid bone
The four paranasal sinuses:
frontal, sphenoid, ethmoid, maxillary
Sinuses have ______ opening(s) in nasal cavity; they are lined by _____________.
one, nasal mucosa
Located ____ and _____ to nasal cavity, beginning at the choanae
Lined by ____________________ epithelium
Composed of : _____________, _________________, and _______________
posterior and inferior
nasopharynx, oropharynx, laryngopharynx
Nasopharynx: from __________ to uvula of soft palate
- lined with _______________ epithelium
- contains: opening of ________ to middle ear, ________________, and _________________
auditory tube, tubal tonsil, pharyngeal tonsil
Oropharynx: from fauces to level of __________ bone
- _____________ to oral cavity, acts as a passage for air and food
- lined by _________________________________
- contains: _______________, _______________, and ___________
startified squamous epith. (same as oral cav.)
palatine tonsil, lingual tonsil, epiglottis
Laryngopharynx: from left of hoid bone to level of _______ cartilage of trachea
- posterior to ____________, acts as a passage for air and food
- continuous with both _______ and ___________
- lined by __________________ (same as oral cavity)
- Contains: _____________
esophagus and larynx
stratifies squamous epith.
opening into larynx
Used as an air passage and for vocalization
larynx has opening into trachea protected by the ___________.
Superior part of vocal cords =
Inferior to vocal cords =
used for sound production "true vocal cord"
Lies above vocal fold to provide protection "false vocal chord"
stretches from thyroid to arytenoid cartilages
The vocal folds together form the
Four laryngeal cartilages: (all are hyline cartilage)
1) thyroid ("shield-shaped")
2) arytenoid ("spoon-shaped")
3) cricoid ("ring-shaped")
4) corniculate ("horn-shaped")
Motor innervation to muscles of vocalization and the larynx is the __________ nerve
Wind-pipe; from cricoid cartilage to bifurcation into bronchi
____-shaped hyaline cartilage, keeps air-passage open
Psoterior side of trachea is soft and in contact with __________________
the trachea bifurcates into _________________
right and left pulmonary bronchi
Inside trachea at birfucation is a ridge
Bifurcation in trachea occurs at the ________________ plane
The trachea is in the ____________ mediastinum and bronchi are in __________ mediastinum
The angle into the left bronchus is ____ than that of the right. Aspirated material is more likely to go into _____ bronchus.
Primary bronchi split into _________ or lobar bronchi
There are ___ lobes of the right lung, and ___ lobes of the left
There are ___ lobar bronchi on the right, and ____ on the left