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MHS 2020 Spring Anatomy > Nose > Flashcards

Nose Flashcards

1
Q

Which two nerves innervate the nose?

A

CN V and VII

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2
Q

What two arteries supply the nose?

A

Facial and ophthalmic

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3
Q

What makes up the lateral nose wall?

A

Ethmoid, inferior concha, maxillary and palatine

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4
Q

What makes up the medial nose wall?

A

Ethmoid and vomer

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5
Q

What makes up the floor of the nasal cavity?

A

Maxillary and palatine

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6
Q

What makes up the nasal roof?

A

Ethmoid, Frontal, Sphenoid

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7
Q

What fibers from CN V innervate the sympathetic portion of the nose?

A

Preganglionic through the greater petrosal nerve.

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8
Q

What preganglionic nerve innervates the ganglion?

A

pterygopalatine

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9
Q

What preganglionic nerve innervates the Parasympathetic portion of the nose?

A

nerves from spinal cord level T1.

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10
Q

What Postganglionic nerve fibers innervate the sympathetic portion of the nose?

A

Maxillary fibers from CN VII.

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11
Q

What postganglionic nerve innervates the ganglion?

A

Superior cervical

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12
Q

What posganglionic nerve innervates the parasympathetic portion of the nose?

A

Maxillary fivers via the deep petrosal

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13
Q

What arteries get there supply from the opthalmic arteries?

A

Anterior and Posterior Ethmoidal arteries.

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14
Q

What arteries get there supply from the maxillary arteries?

A

Sphenopalatine and greater palatine arteries

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15
Q

What arteries get there supply from the facial arteries?

A

Lateral nasal and superior labial arteries

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16
Q

What is the role of the pterygoid plexus of veins?

A

They are the veins that accompany the maxillary arteries.

17
Q

What is the role of the facial veins?

A

They drain the anterior regions of the nasal cavities.

18
Q

What is the role of the ophthalmic veins?

A

They accompany the ethmoidal arteries

19
Q

What is the function of CN V GSA fibers?

A

Sensation to the nasal septum and lateral nasal wall.

20
Q

What is the role of the olfactory receptor neurons?

A

Smell

21
Q

Where does the frontal sinus get its blood supply and innervation from?

A

Anterior ethmoid artery and the supraorbital nerve (V1)

22
Q

Where does the ethmoid air cells get its blood supply and innervation from?

A

Anterior and Posterior ethmoid arteries, and Anterior and posterior ethmoid nerve and well as maxillary nerve (V2)

23
Q

Where does the sphenoid sinus get is blood supply and innervation from?

A

Maxillary artery and posterior ethmoid nerve and well as maxillary nerve (V2)

24
Q

Where does the maxillary sinus get is blood supply and innervation from?

A

Maxillary artery and the infraorbital nerve

MHS 2020 Spring Anatomy (7 decks)

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