1
______ posterior to the nasal cavity, inferior to the sphenoid bone, and superior to the level of the soft palate.
Nasopharynx
The nasopharynx is strictly an _____________
The ___________________ move superiorly (close) during swallowing to prevent food from entering the nasopharynx cavity
The nasopharynx is lined with ciliated ______________________ epithelium.
Air passageway
Soft palate and uvula
Pseudostratified columnar
Both the oropharynx and the laryngopharynx serve as a common passageway for ______________
The epithelial lining of the oropharynx is protective ___________________ epithelium
Food and air
Stratified Squamous
______ extends inferiorly from the level of the soft palate to the epiglottis (flap posterior to tongue); opens to the oral cavity via an archway called the fauces.
Oropharynx
What is the archway between the oral cavity and the oropharynx?
Fauces
The two types of tonsils embedded in the mucosa of the oropharynx are?
Palatine and lingual tonsils
The laryngopharynx extends to the larynx, where the respiratory and digestive pathways __________.
The voice box; extends from the level of the fourth to the sixth cervical vertebra?
Diverge
Larynx
The ciliated pseudostratified columnar epithelium that lines the nasopharynx propels mucus downward from the nasal cavity, where pathogens are destroyed by the __________________
Pharyngeal tonsils
What lies posterior to the larynx and is continuous with the esophagus and larynx?
Laryngopharynx
What is the epithelium that lines the laryngopharynx?
Stratified squamous epithelium
Superiorly, the larynx attaches to the _________ and opens into the laryngopharynx
Inferiorly, the larynx is continuous with the __________
Hyoid bone
Trachea
9 cartilages connected by membranes of the larynx?
STUDY THIS SECTION I WONT BE DOING QUESTIONS ON IT.
Thyroid, cricoid, arytenoid, corniculate, cuniform, epiglottis
Within the larynx, paired _____________ run anteriorly from the arytenoid cartilages to the thyroid cartilage
Vocal ligaments
The vocal ligaments are composed of elastic fibers and form the core of a pair of mucosal folds called _______________
As conducting tubes become __________, changes occur and smooth muscle becomes important
Vocal Folds
Smooth Muscle
The medial opening between vocal folds through which air passes?
Rimma glottis
_______ mucosal folds; have no role in voice production but enhance high-frequency sounds.
Vestibular (false) vocal cords
______ is a flexible and mobile tube extending from the larynx into the mediastinum where it branches into two primary bronchi
Trachea
The first two passageways that branch off the trachea and lead to the right and left lungs are…
What are the 3 layers of trachea?
Primary bronchi
Mucosa, submucosa, adventitia (NOTE: study what each is made of)
_______ is the point of the last tracheal cartilage that marks the end of the trachea and the beginning of the right and left primary bronchi (main bronchi)
As conducting tubes become __________, changes occur and smooth muscle becomes important
Carina
Smaller
Air passages undergo ____ orders of branching in the lungs
________________________ of the wall of each main brochus mimics that of the trachea
23
Tissue composition