Larynx, Pharynx, & Trachea Flashcards
What are the boundaries of the pharynx?
Base of the tongue
Retropharyngeal wall
Caudal extent of the hard palate
Epiglottis
The pharynx is separated into the oropharynx and the
nasopharynx by the ________
soft palate
What is the function of the pharynx?
To compress bolus and push to esophagus with the tongue
What are the 4 cartilages found in the larynx?
Epiglottis
Thyroid
Cricoid
Arytenoid
What view is best to visualize the larynx and pharynx?
LATERAL
Mineralization of the larynx is a normal aging change in animals
as early as 1 - 3 years old.
Which cartilage is the 1st to mineralize?
Cricoid cartilage
The larynx is ventral to and ends at the level of
C1-C2
What are the 4 manifestations of pharyngeal and laryngeal lesions?
Dysphagia
Inspiratory dyspnea
Stridor
Change in voice
What are the attachment points for the trachea?
Larynx and Carina
Which view is used to assess tracheal displacement?
VD view
What can cause a more exaggerated tracheal deviation to the right
more than the normal deviation?
Obesity
Brachycephalic breeds
T/F:
The diameter of the trachea varies upon inspiration and expiration
FALSE!
does not vary
In the lateral view, what do you expect to see if the
neck was extended instead of in a neutral position?
Compression of the trachea at the
thoracic inlet
In lateral view, if you see a bend in the cranial mediastinum,
the neck was _______ instead of in a neutral position
Flexed
Tracheal hypoplasia is congenital in this breed of dog
English Bulldog
