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Head and Neck Anatomy and Embryology > Nose and nasopharynx > Flashcards

Nose and nasopharynx Flashcards

1
Q

Main functions of the nose?

A 
Trap dirt and pathogens
Humidify and warm air
Olfaction 
Respiration 
Drainage and aeration of middle ear, paranasal sinuses and lacrimal duct
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2
Q

Two main parts of the nose?

A

External nose

Nasal cavity

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3
Q

Floor of nasal cavity is formed by?

A

Hard palate

Soft palate

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4
Q

Turbinates in the nose?

A

Superior turbinate
Middle turbinate
Inferior turbinate

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5
Q

Midline nasal septum formed by?

A

Ethmoid bone
Vomer bone
Septal cartilage

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6
Q

Blood supply to the nose is from?

A

Internal carotid artery

External carotid artery

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7
Q

Main nerve supply to the nose?

A

Trigeminal nerve

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8
Q

Branches of trigeminal nerve which supply the nose?

A

Ophthalmic branch

Maxillary branch

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9
Q

Part of nasal cavity formed by palate?

A

Floor

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10
Q

Cranial bones containing paranasal sinuses?

A

Ethmoid
Sphenoid
Frontal
Maxilla

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11
Q

Superior and middle concha are formed by?

A

Ethmoid bone

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12
Q

Structures passing through cribriform plate?

A

Axons of olfactory nerve

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13
Q

Anteriorly, the crista gali attaches to?

A

Falx cerebri

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14
Q

Space above superior nasal concha?

A

Sphenoethmoidal recess

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15
Q

Structure emptying into inferior meatus?

A

Nasolacrimal duct

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16
Q

Empties into sphenoethmoidal recess?

A

Spenoid sinus

17
Q

Bones containing paranasal sinuses?

A

Sphenoid
Ethmoid
Frontal
Maxilla

18
Q

Maxillary sinus empties into?

A

Middle meatus

19
Q

Nerve supply to Maxillary sinus?

A

Maxillary branch of trigeminal nerve

20
Q

Nerve supply to frontal sinus?

A

Ophthalmic branch of trigeminal nerve

21
Q

Most commonly infected sinus?

A

Maxillary

22
Q

Bone forming roof of nasopharynx?

A

Sphenoid bone

23
Q

Opening in nasopharynx lying in line with nasal floor?

A

Orifice of eustachian canal

24
Q

Muscle lying posterior to orifice of eustachian canal?

A

Salpingopharyngeus

25
Q

Collections of lymphoid tissue in nasopharynx?

A

Adenoids (nasopharyngeal tonsils)

26
Q

Respiratory epithelium is what type?

A

Pseudostratified ciliated columnar epithelium with interspersed goblet cells

27
Q

Nerve supply to roof of nose?

A

Olfactory nerve (olfactory mucosa)

28
Q

Air filled extensions from nasal cavity into the bony skull?

A

Paranasal sinuses

29
Q

Functions of paranasal sinuses?

A

Reduce the weight of the skull
Aid in humidifying inspired air
Aid in vocal resonance

30
Q

Structures emptying into middle meatus?

A

Maxillary sinuses
Frontal sinuses
Anterior ethmoidal air cells
Middle ethmoidal air cells

31
Q

Structure emptying into superior meatus?

A

Posterior ethmoidal air cells

32
Q

Nerve supply to sphenoid sinus?

A

Maxillary and ophthalmic branches of trigeminal nerve

33
Q

Three parts of the pharynx?

A

Nasopharynx
Oropharynx
Laryngopharynx

Head and Neck Anatomy and Embryology (5 decks)

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