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Questions and Answers
What are the boundaries of the nasal cavity?
What are the boundaries of the nasal cavity?
- Roof, tongue, cheeks, lips
- Roof, floor, medial wall, lateral wall (correct)
- Roof, spine, chest, abdomen
- Roof, ears, shoulders, arms
Which part of the nasal cavity separates the two halves?
Which part of the nasal cavity separates the two halves?
- Lateral wall
- Medial wall (correct)
- Floor
- Roof
What structures form the sides of the nasal cavity?
What structures form the sides of the nasal cavity?
- Tongue and cheeks
- Medial wall and lateral wall (correct)
- Spine and chest
- Ears and shoulders
Which part of the nasal cavity is in contact with the mouth?
Which part of the nasal cavity is in contact with the mouth?
What is NOT a boundary of the nasal cavity?
What is NOT a boundary of the nasal cavity?
Where do the maxillary sinuses lie?
Where do the maxillary sinuses lie?
What is the shape of the maxillary sinuses?
What is the shape of the maxillary sinuses?
Where do each of the maxillary sinuses open?
Where do each of the maxillary sinuses open?
Which bone houses the maxillary sinuses?
Which bone houses the maxillary sinuses?
How would you describe the location of maxillary sinuses inside the skull?
How would you describe the location of maxillary sinuses inside the skull?
Where do the lymphatics of the posterior part of the nasal cavities drain into?
Where do the lymphatics of the posterior part of the nasal cavities drain into?
Which of the following is the primary drainage site for the lymphatics of the posterior part of the nasal cavities?
Which of the following is the primary drainage site for the lymphatics of the posterior part of the nasal cavities?
What is the main destination for the lymph flow from the posterior part of the nasal cavities?
What is the main destination for the lymph flow from the posterior part of the nasal cavities?
To which group do the lymphatics of the posterior part of the nasal cavities NOT drain?
To which group do the lymphatics of the posterior part of the nasal cavities NOT drain?
Which of the following receives drainage from the posterior part of the nasal cavities?
Which of the following receives drainage from the posterior part of the nasal cavities?
Which meatus is located below the middle concha?
Which meatus is located below the middle concha?
If a structure is situated below the superior concha, which meatus would it be in?
If a structure is situated below the superior concha, which meatus would it be in?
Where would you find a structure located beneath the inferior concha?
Where would you find a structure located beneath the inferior concha?
If a feature is positioned below the middle concha, what meatus is it in?
If a feature is positioned below the middle concha, what meatus is it in?
A structure beneath the superior concha would be in which meatus?
A structure beneath the superior concha would be in which meatus?
Where do the middle ethmoidal sinuses open?
Where do the middle ethmoidal sinuses open?
Which sinus opens in the middle meatus?
Which sinus opens in the middle meatus?
Where do the anterior ethmoidal sinuses open?
Where do the anterior ethmoidal sinuses open?
Which meatus do the anterior ethmoidal sinuses open into?
Which meatus do the anterior ethmoidal sinuses open into?
In which part of the nose do the ethmoidal sinuses open?
In which part of the nose do the ethmoidal sinuses open?
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Study Notes
Nasal Cavity Anatomy
- Superior meatus located below the superior concha
- Middle meatus located below the middle concha
- Inferior meatus located below the inferior concha
Nasal Cavity Boundaries
- Each half of the nasal cavity has a roof, floor, medial wall, and lateral wall
Maxillary Sinuses
- Pyramidal in shape and located within the maxillary bone
- Each sinus opens into the middle meatus
Ethmoidal Sinuses
- Middle ethmoidal sinuses open into the middle meatus
- Anterior ethmoidal sinuses open into the middle meatus
Lymphatic Drainage
- Posterior part of the nasal cavities drain into upper (superior) deep cervical lymph nodes
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