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PHAR1803 > Anatomy of the Nose > Flashcards

Anatomy of the Nose Flashcards

1
Q

What are the FOUR functions of the nasal cavity?

A

-Warm and humidify air
-Trap and remove pathogens and particulates from inspired air
-Sense of smell
-Drain and clear the paranasal sinuses and lacrimal ducts

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2
Q

What are the lacrimal ducts?

A

Tear Ducts

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3
Q

What is the first part of the nasal cavity called?

A

Vestibule

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4
Q

What does the vestibule contain?

A

Hairs

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5
Q

What is the function of the vestibule?

A

Filter dust and other particulates

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6
Q

What is the second region of the nose called?

A

Respiratory Region

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7
Q

What is the function of the respiratory region?

A

-Warms, humidifies inspired air
-Secretes mucous

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8
Q

How is air and humidity maintained in the respiratory region?

A

Three curved shelves of bone called turbinates(concha). The air warms to body temperature and reaches about 100% humidity

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9
Q

What is the final region of the nose called?

A

Olfactory Region

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10
Q

What does the olfactory region contain?

A

Olfactory Receptors

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11
Q

What are the olfactory receptors involved in?

A

They are involved in the sense of smell. They help protect us from harm and is linked to nutrition and our sense of taste

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12
Q

Which region of the nose is associated with the sense of smell?

A

Olfactory Region

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13
Q

Which region of the nose is associated with filtering dust and other particulates?

A

Vestibule

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14
Q

Which region of the nose humidifies and warms inspired air?

A

Respiratory Region

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15
Q

Which region of the nose secretes mucous?

A

Respiratory Region

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16
Q

What are the curved shelves of bone in the respiratory region of the nose called?

A

Turbinates or Chonca

17
Q

Which region of the nose is associated with nutrition and our sense of taste?

A

Olfactory Region

18
Q

Which region of the nose protects us from harm?

A

Olfactory Region

19
Q

What are the sinuses?

A

Air-filled extensions of the respiratory region of the nasal cavity

20
Q

What are the 4 paired sinuses named after?

A

The bones that contain them

21
Q

What are the names of the 4 paired sinuses?

A

-Frontal
-Sphenoid
-Ethmoid
-Maxillary

22
Q

Where is the frontal sinus found?

A

Lower forehead

23
Q

Where is the sphenoid sinus found?

A

Behind the nose

24
Q

Where is the ethmoid sinus found?

A

Behind upper nose

25
Q

Where is the maxillary sinus found?

A

Cheekbones

26
Q

What are the FOUR main functions of the sinuses?

A

-Humidify-inspired air
-Reduce the weight of the skull
-Support immune defence of the nasal cavity
-Resonate speech

PHAR1803 (27 decks)

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