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sinus anatomy

sinus anatomy for comp

What make up the paranasal sinuses? frontal, ethmoid, sphenoid and maxillary sinuses
What bones are the sinuses found in? maxillae (2) (maxillary sinuses), frontal, ethmoid, sphenoid
Name the divisions of the ethmoid sinuses anterior air cells, middle air cells, posterior air cells
Function of the sinuses resonating chamber for voice, decrease the weight of the skull, warm and moisten inhaled air, shock absorber
Paranasal sinuses are located where? frontal, ethmoidal, sphenoidal and maxillary bones.
Which sinuses are the firs to form? the maxillary are present at birth
When do the later occurring air cells form? at 6-7 years
Approximate lateral sinus technique 70 at 8
Approximate technique waters for sinuses 75 @ 28
What position should the patient be in for sinus x-rays and why? upright for presence of fluid
Why should we avoid angling the tube for sinus x-rays? it distorts the fluid levels
Shielding considerations for sinuses shield pregnant women and the thymus of children
Which are the largest sinuses? maxillary
Second largest sinuses? frontal
Piece of anatomy that divides the frontal sinus intersinus septum
Name the air cells of the ethmoidal sinus anterior, middle, posterior
What can occur with over-penetration of the sinuses? diminished or obliterated pathology
What can occur as a result of under-penetration of the sinuses? can simulate pathology
What FSS should be used for sinus x-rays? small
Which sinuses are demonstrated on a lateral projection? sphenoid, ethmoid, maxillary, frontal (all of them)
Created by: annaluz87