Flashcards in Upper Respiratory Tract Deck (44):
Upper respiratory tract includes
What are the main bones
What is the purpose of the mucous membrane in the nasal cavity
Highly vascular --> warms air up, traps foreign particles and humidifies air
Where are the three turbinates found
Lateral wall of nasal cavity
What are the three turbinates
Which two turbinates form part of the ethmoid bone
Superior and middle
Inferior has a separate bone
What is the role of chonca
they are lined with mucosa and produce turbulance which makes the air stay in longer --> therefore warmer
What is a meatus
Passage below each concha --> air flows through
What are the four paranasal sinuses
Frontal, ethmoid, sphenoid and maxilarry
Which paranasal sinus is susceptible to injury
Ethmoid --> small and thin
Which paranasal sinus is susceptible to infection
Maxillary --> below the nasal cavity therefore easy to get in
When do the paranasal sinuses develop>
Only once teeth appear
What do the paranasal sinuses act to do?
Lined with mucosa
The oral cavity comprises
What sort of muscle is the tongue
What is the tongue covered in
What two types of skeletal muscle comprise the tongue
Intrinsic and extrinsic
What role does intrinsic tongue muscle do?
Alters the shape --> has attachments WITHIN the tongue
What role does extrinsic tongue muscle do?
Alters the position of the tongue --> attachments OUTSIDE of the tongue
How many teeth does an adult have
What are the different types of teeth?
What type of tooth is a wisdom tooth
What is the role of molar teeth
What is the role of canine teeth
What is the role of incisors
What is the anatomical name for voice box
What protects the larynx anteriorly?
To create phonation the vocal ligs have to
To breath our vocal ligs have to
Phonation and breathing occur due to the vocal ligaments being altered by what muscles?
Intrinsic muscles of larynx
What structures protect the larynx
Describe the pharynx
Lies in front of cervical vertibrae
Nasopharynx is found
Directly below base of skull
Pharyngotymphanic tube connects which two structurs?
Middle ear and nasopharynx
What is the nasopharynx lined with
What type of muscles make up the external layer of pharynx?
What are the three type of constrictor muscles of the pharynx
Where is the laryngopharynx located
Upper most part of trachea
Where is the oropharynx located
Continuous anteriorly with oral cavity
What structures does the oropharynx include
1/3 of posterior tongue
Upper part of epiglottis
Where is the hard palate located and what is it made of
Where is the soft palate and what is it made of
Where are conchae found