Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
what is the common space used by both respiratory and digestive systems?
|
pharynx, commonly called the throat
|
|
|
What shape is the pharynx?
|
funnel-shaped
|
|
|
where does the pharynx originate and end?
|
posterior to the nasal and oral cavities and extends inferiorly to the level of bifurcation of the larynx and esophagus
|
|
|
What is the pharynx a common pathway for?
|
both inhaled and exhaled air and for ingested food
|
|
|
What lines the pharynx?
|
mucosa
|
|
|
The distnsible walls of the pharynx help to do what?
|
force swallowed food into the esophagus
|
|
|
What are the 3 adjoining regions of the pharynx?
|
nasopharynx, oropharynx, and the laryngopharynx
|
|
|
What is the superiomost region of the pharynx and is located directly posterior to the nasal cavity?
|
nasopharynx
|
|
|
What is the nasopharynx lined with?
|
ciliated epithelium
|
|
|
severe vomiting may cause what to happen in the nasopharynx?
|
overcome the seal by the soft palate and uvula
|
|
|
what is located in the lateral walls of the nasopharynx?
|
paired auditory (eustachian) tubes
|
|
|
What are eustachian tubes?
|
located in the lateral walls of the nasopharynx that connect it to the middle ear so air pressure can be equalized behind the ear drum.
|
|
|
What does the posterior nasopharynx wall house?
|
pharyngeal tonsil (called adenoid)
|
|
|
What region of the pharynx is immediately posterior to the oral cavity/
|
the oropharynx
|
|
|
What is the oropharynx bounded to?
|
superiorly by the soft palate and inferiorly by the hyoid bone
|
|
|
What passes through the oropharynx?
|
air, food, and drink
|
|
|
Where regions of the pharynx are and are not lined with cilia?
|
nasopharynx yes
oropharynx no laryngopharynx no |
|
|
why are some areas of the pharynx lined with cilia and others not?
|
since the nasopharynx only has air pass through it, the cilia clean it
|
|
|
What blocks food and drink from entering the nasopharynx?
|
elevation of the soft palate and uvula
|
|
|
where are the palatine tonsils and lingual tonsils located in relation to the pharynx?
|
oropharynx
|
|
|
What provides the first line of defense against ingested or inhaled foreign materials?
|
palatine tonsils and lingual tonsils located in the oropharynx
|
|
|
What is the inferior, narrowed region of the pharynx called?
|
laryngopharynx
|
|
|
Where does the laryngopharnyx terminate?
|
at the superior border of the esophagus
|
|
|
Where does food typically lodge?
|
in the laryngopharynx
|
