FINALS: Paranasal Sinuses Flashcards

0
Q

Functions of paranasal sinuses

A

Act as resonators of the voice

Reduce the weight of the skull

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1
Q

Cavities found in the interior of maxilla frontal sphenoid and ethmoid bones

A

Paranasal sinuses

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2
Q

Paranasal sinuses 4

A

Frontal
Maxillary
Ethmoidal
Sphenoidal

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3
Q

Located within the body of maxilla

Pyramidal in shape

A

Maxillary sinus

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4
Q

Maxillary sinus
Roof:
Floor:

A

R: floor of the orbit
F: alveolar process

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5
Q

Two in number
Contained in frontal bone
Triangular

A

Frontal sinus

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6
Q

Mucous membrane of frontal sinus is supplied by

A

Supraorbital nerve

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7
Q

Lie within sphenoid bon

A

Sphenoidal sinus

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8
Q

Sphenoidal sinus opens into the

A

Sphenoethmoidal recess

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9
Q

Mucous memb of sphenoidal sinus is supplied by

A

Posterior ethmoidal nerves

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10
Q

Contained within the ethmoid bone

Between nose and orbit

A

Ethmoidal sinus

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11
Q

3 grps of ethmoidal sinus

A

Ant
Middle
Post

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12
Q

Ant ethmoidal sinus opens in the

A

Infundibulum

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13
Q

Middle eth sinus opens

A

Middle meatus

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14
Q

Post eth sinus opens

A

Superior meatus

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