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SEM2 ANATOMY > Upper respiratory tract > Flashcards

Upper respiratory tract Flashcards

1
Q

What are the functions of the nasal cavity? (4 functions)

A

Warms and humidifies air
Removes and traps pathogens
Senses smell
Drains and clears paranasal sinuses

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2
Q

What are the three regions of the nasal cavity?

A

Olfactory region
Vestibule
Respiratory region

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3
Q

What are nasal conchae?

A

Curved shelves of hard bone projecting from the lateral walls of nasal cavity?

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4
Q

How many conchae are there in total?

A

3 in each half (divided by nasal septum):

Superior
Middle
Inferior

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5
Q

What is the function of the nasal conchae?

A

Increase surface area contact between air and cavity

Disrupts laminar air flow, making it slower and turbulent

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6
Q

What are the superior, inferior and middle meatuses?

A

Pathways for the air to flow from nasal cavity to naspharynx

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7
Q

What is the sphenoethmoidal recess?

A

A meatus superior to the superior chonca

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8
Q

What is the function of the vibrassae within the nasal cavity?

A

Nose hair used to filter the air

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9
Q

What is the function of the venous plexus within the nasal cavity?

A

Warms the air

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10
Q

What is the function of the serous glands within the nasal cavity?

A

Produce serous fluid that helps humidify the air

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11
Q

What is the name given to the serous glands within the olfactory region that are responsible for smell?

A

Bowmans glands

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12
Q

What is the choanae of the nasal cavity?

A

The name given to the opening of the individual meatuses into the nasopharynx

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13
Q

Name the four paranasal sinuses…

A

Frontal sinus
Sphenoid sinus
Maxillary sinus
Nasolacrimal duct

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14
Q

What sinuses drain into the sphenoethmoidal recess?

A

Ethmoidal sinuses

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15
Q

What sinuses drain into the superior meatus?

A

Sphenoid sinuses

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16
Q

What sinuses drain into the middle meatus?

A

Frontal and maxillary

17
Q

What sinuses drain into the inferior meatus?

A

Nasolacrimal duct

18
Q

From what bone is the larynx suspended?

A

Hyoid bone

19
Q

What are the 3 regions of the larynx? What structures are found in these regions?

A

Supraglottis (false vocal chords)
Glottis (vocal chords)
Subglottis (cricoid cartilage)

20
Q

What are the names of the cartilages associated with the larynx? (4)

A

Cricoid
Epoglottis
Arytenoid
Thyroid

21
Q

What structures are found posterior to the trachea? (2)

A

Recurrent laryngeal nerve

Esophageous

22
Q

What structures are found to the left of the trachea? (4)

A

Left phrenic nerve
Left subclavian
Left carotid sheath
Left lobe of thyroid gland

23
Q

What structures are found to the right of the trachea? (4)

A

Azygous vein
Right carotid sheath
Right thyroid lobe

24
Q

What structures are found anterior to the trachea? (4)

A

Aortic arch
Isthmus of thyroid
Left brachiocephalic vein
Origin of left carotid artery

SEM2 ANATOMY (8 decks)

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