Respiratory System Flashcards
Entrance for air through the nose
External nares
Space below the three paired nasal conchae
Meatuses
Inferior boundary of the pharynx
C6, becomes the esophagus
Sensory innervation of the pharynx
CN IX
Motor innervation of the pharynx
CN X
Contents of nasopharynx
pharyngeal tonsils (adenoids when enlarged), torus tubarius, auditory tube.
Contents of oropharynx
Palatine and lingual tonsils
Sensory and motor innervation of the larynx
CN X
6 cartilages of the larynx
Epiglottis, thyroid, cricoid, arytenoid, corniculate and cuneiform
Adam’s apple
thyroid cartilage
Forms a complete ring
Cricoid cartilage
Another name for the false vocal folds
vestibular folds
Function- vestibular folds
protection of the lower larynx and trachea
Another name for the true vocal folds
vocal cords
What happens to the pitch when the vocal cords loosen?
It lowers the pitch
Function of the intrinsic muscles of the larynx
Alter vocal fold tension
Function of the extrinsic muscles of the larynx
Assist in speaking and swallowing
Where does the trachea divide into primary bronchi?
At the carina
How many secondary bronchi are in the right lung?
3
Innervation of bronchi
ANS (smooth muscle on the outside of the bronchi)
Blood supply of bronchi
Bronchial arteries
Fissures of the right lung
Oblique and horizontal fissures
Fissures of the left lung
Oblique fissure only
What structures enter through the root of the lungs?
Pulmonary vessels, bronchi, lymphatics and ANS
