Flashcards in respirator tract Deck (48)
the respiratory tract is divided into 2 parts, what are these?
upper respiratory tract and lower respiratory tract
what is the border between the upper and lower respiratory tract?
what is contained within the upper respiratory tract?
- paranasal sinuses
- mouth (& tonsils)
what tissues does the nose contain?
skin, muscle, bone and hyaline cartilage
what is the external portion of the nose lined by?
which 2 ducts often open in the internal portion of the nose?
paranasal sinus ducts and nasolacrimal duct
which part of the nose is the external part?
outer nose and nares (norstrils)
what does the inner portion of the nose refer to?
what is the function of the nasal septum and what is it made from?
separates nasal cavity into 2 nostrils
made of bone and cartilage
which region of the nose is responsible for smell?
what are conchae?
folds of cartilage in the upper chamber of the nose that increase SA
which cranial nerve is the only one capable of regenerating?
the nose can be divided into 2 segments, the respiratory segment and the olfactory segment, what type of epithelium lines the respiratory segment?
ciliated pseudostratified columnar
the nose can be divided into 2 segments, the respiratory segment and the olfactory segment, what type of epithelium lines the olfactory segment?
ciliated pseudo stratified columnar and olfactory receptors
what is another name given to conchae?
what is the function of conchae?
warm and filter air
what is the function of the nose as a whole?
- warm and filtering air
what is the function of the paranasal sinuses?
vocal resonance and modification of speech
what are paranasal sinuses?
air filled spaces within bones of skull and face
in which region of the face is the maxillary sinus?
under the eye around the cheekbones
Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity, name them and state where they are
- paranasal sinuses (under eye)
- frontal sinuses (above eye between eyebrows)
- ethmoid sinuses (between eyes)
- sphenoidal sinuses (behind eyes)
the maxillary sinuses drain into what structure?
the roots of which teeth are close to the paranasal sinus?
upper 6 and 7
abnormal communication between the nose and mouth is known as what?
what is the definition of a fistula?
abnormal communication between 2 epithelial lined organs that do not normally communicate
what is the pharynx?
muscular tube running from base of skull to oesophagus
what is the function of the pharynx
movement of food from mouth to oesophagus and conducts air
what is contained within the lower respiratory tract?
- right and left bronchus
- blood-air barrier
what is the larynx commonly known as?