Mouth,Nose Throat Revised 0209

Mouth,Nose Throat Revised 0209 - Larry B Meneghini MSN RN...

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Unformatted text preview: Larry B Meneghini MSN RN CEN 1 st segment of respiratory system, it warms, moistens, and filters the inhaled air, and it is the sensory organ for smell.  Nasal cavity  Septum- medial divider, may be slightly deviated even in normal cases  Kiessselbachs plexus- blood supply Turbinates- bony projections in each nasal cavity which increase surface area so that more blood vessels and mucous membranes are available to warm, humidify, and filter inhaled air  Paranasal sinuses- are air-filled pockets which lighten weight of skull, serve as resonators for sound and provides mucus, which drains into the nasal cavity. Frontal Sinuses- in frontal bones  Maxillary sinuses in maxilla  The Olfactory Receptors lie on the roof of the nasal cavity  See 16-1, 16-2, 16-3. Be familiar with these landmarks Oral cavity- bordered by lips, palate, cheeks, and tongue  Hard palate  Soft palate  Uvula  Tongue  Frenulum  Parotid gland  Submandibular gland  Sublingual glands  32 teeth, 16 in each arch  Pg.376 fig. 16-4 Oropharynx: separated from mouth by a fold of tissue on each side, the anterior tonsillar pillar.  Tonsils: Behind folds of anterior pillar  This is important!!!!! See Fig. 16-4 and Fig.16-17 on pages 376 and 388  1+, 2+ 3+ 4+  Nasopharynx: Continuation of the oropharynx behind the nasal cavity Developmental Care:  Infants salivation starts at 3 months and drool until they learn to swallow.  Born with 20 teeth  Prolonged use of a bottle may contribute to____??  Pregnancy: Nasal congestion and epistaxis, gums redden, no truth to tooth decay  Aged: Nose more prominent, smell diminishes, taste reduces, salivation decreases....
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Mouth,Nose Throat Revised 0209 - Larry B Meneghini MSN RN...

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