NOSE, MOUTH AND THROAT ASSESSMENT

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NOSE, MOUTH AND THROAT ASSESSMENT
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NOSE

• Functions
• - Warms, moistens and filters inhaled air
• - Sensory organ for smell
• Parts
• - Bridge
• - Tip
• - Nares
• - Columnella
• - Ala

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Nasal Cavity

• Extends back over the roof of the mouth
• Lined with coarse nasal hairs and ciliated mucous
  membrane
• Septum- medially divides the nasal cavity
• Contains three bony projections
• - Superior, middle, and inferior turbinates
• - Increase the surface area, more blood vessels
  and mucous membranes are available to humidify
  and filter inhaled air.

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Nasal Parts

• Olfactory receptors responsible for smell and
  merge into the olfactory nerve, cranial nerve I.
• Paranasal sinuses- communicate with the nasal
  cavity, lined with ciliated mucous membrane.
• - Provide mucous and serve as resonators for
  sound production.

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Sinuses

• Frontal
• Maxillary
• Ethmoid
• Sphenoid

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MOUTH ASSESSMENT

• First segment of digestive system
• Airway for respiratory system
• Three pairs of salivary glands
• - Parotid
• - Submandibular
• - Sublingual
• 32 permanent teeth

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THROAT ASSESSMENT

• Oropharynx
• Nasopharynx- continuous with oropharynx
• Pharyngeal tonsils and eustaschian tube openings
  located here
• Rich in lymphatics

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AGING ADULT

• Sense of smell and taste diminishes
• Soft tissue atrophies, epithelium thins
• Salivary secretion decreases
• Dental changes- dentures, malocclusion, absence
  of teeth
• Medications cause dry mouth