Podcast
Questions and Answers
What is the primary function of the nasal cavity?
What is the primary function of the nasal cavity?
- To warm, humidify, and filter air we breathe (correct)
- To produce mucus
- To facilitate speech
- To expand the thoracic cavity
Which of the following is NOT part of the upper respiratory tract?
Which of the following is NOT part of the upper respiratory tract?
- Trachea
- Bronchi (correct)
- Pharynx
- Larynx
What is the oral cavity primarily responsible for?
What is the oral cavity primarily responsible for?
- Forming words and sounds for speech (correct)
- Humidifying the air
- Producing mucus
- Filtering the air
What is the major difference between the upper and lower respiratory tracts?
What is the major difference between the upper and lower respiratory tracts?
According to our course, which part of the respiratory tract is NOT part of the upper respiratory tract?
According to our course, which part of the respiratory tract is NOT part of the upper respiratory tract?
Where does the respiratory process start?
Where does the respiratory process start?
What is the main distinction between the upper and lower respiratory tracts?
What is the main distinction between the upper and lower respiratory tracts?
Which of the following is a part of the lower respiratory tract?
Which of the following is a part of the lower respiratory tract?
What is the purpose of the sinuses?
What is the purpose of the sinuses?
What is common to both the upper and lower respiratory tracts?
What is common to both the upper and lower respiratory tracts?
The larynx is part of the lower respiratory tract.
The larynx is part of the lower respiratory tract.
The trachea is considered part of the upper respiratory tract in our course.
The trachea is considered part of the upper respiratory tract in our course.
The bronchi and bronchioles are part of the upper respiratory tract.
The bronchi and bronchioles are part of the upper respiratory tract.
The pharynx is part of the lower respiratory tract.
The pharynx is part of the lower respiratory tract.
The lungs are part of the upper respiratory tract.
The lungs are part of the upper respiratory tract.
What is the main function of the alar folds in the nasal cavity?
What is the main function of the alar folds in the nasal cavity?
What is the term for the vertical groove between the sides of the nose and upper lip?
What is the term for the vertical groove between the sides of the nose and upper lip?
What is the purpose of the external nares?
What is the purpose of the external nares?
What is the rhinarium?
What is the rhinarium?
What can be observed in the video from 2.24 to 2.35 minutes?
What can be observed in the video from 2.24 to 2.35 minutes?
The philtrum is a horizontal groove above the upper lip.
The philtrum is a horizontal groove above the upper lip.
The alar folds help to warm the air we breathe.
The alar folds help to warm the air we breathe.
The nostrils are the internal openings of the respiratory tract.
The nostrils are the internal openings of the respiratory tract.
The rhinarium is the dry part of the nose.
The rhinarium is the dry part of the nose.
The nasal cavity is responsible for filtering the air we breathe.
The nasal cavity is responsible for filtering the air we breathe.
The ______ is the moist part of the nose.
The ______ is the moist part of the nose.
The ______ are the external openings of the respiratory tract.
The ______ are the external openings of the respiratory tract.
The ______ is the vertical groove between the sides of the nose and upper lip.
The ______ is the vertical groove between the sides of the nose and upper lip.
The ______ help direct air for olfaction.
The ______ help direct air for olfaction.
The video from 2.24 to 2.35 minutes shows ______.
The video from 2.24 to 2.35 minutes shows ______.
Match the following anatomical structures with their descriptions:
Match the following anatomical structures with their descriptions:
Match the following terms with their definitions:
Match the following terms with their definitions:
Match the following functions with the corresponding anatomical structures:
Match the following functions with the corresponding anatomical structures:
Match the following anatomical structures with their locations:
Match the following anatomical structures with their locations:
Match the following video content with the corresponding time stamp:
Match the following video content with the corresponding time stamp:
What is the function of the nasal turbinate bones?
What is the function of the nasal turbinate bones?
What type of epithelium lines the nasal cavity?
What type of epithelium lines the nasal cavity?
What is the function of goblet cells in the nasal cavity?
What is the function of goblet cells in the nasal cavity?
What separates the two sides of the nasal cavity?
What separates the two sides of the nasal cavity?
What is the main function of the respiratory mucosa?
What is the main function of the respiratory mucosa?
The nasal turbinate bones are responsible for warming and moistening the air.
The nasal turbinate bones are responsible for warming and moistening the air.
The nasal septum separates the two sides of the nasal cavity.
The nasal septum separates the two sides of the nasal cavity.
Goblet cells in the nasal cavity produce mucus.
Goblet cells in the nasal cavity produce mucus.
The nasal cavity extends from the pharynx to the nares.
The nasal cavity extends from the pharynx to the nares.
The respiratory mucosa lining the nasal cavity has squamous epithelium.
The respiratory mucosa lining the nasal cavity has squamous epithelium.
The nasal cavity extends from the ______ to the pharynx
The nasal cavity extends from the ______ to the pharynx
The floor of the nasal cavity is the ______ palate
The floor of the nasal cavity is the ______ palate
The nasal turbinates make air ______ and remove particles and warm air up
The nasal turbinates make air ______ and remove particles and warm air up
The lining of the nasal cavity is ______ mucosa
The lining of the nasal cavity is ______ mucosa
Goblet cells in the nasal cavity produce ______
Goblet cells in the nasal cavity produce ______
Study Notes
Upper Respiratory System
- Rhinarium is the moist part of the nose
- External nares are the nostrils, which are the external openings of the respiratory tract
- Direct airflow and prevent inhalation of foreign bodies
- Philtrum is the vertical groove between the sides of the nose and upper lip
- Alar folds, also known as "wing folds", are flaps of skin on the outer aspect of the nares that help direct air for olfaction
Upper vs Lower Respiratory Tract
- The respiratory tract has two parts with different functions: upper and lower respiratory tract
- Upper respiratory tract consists of nasal cavity, sinuses, oral cavity, larynx, and pharynx
- Lower respiratory tract consists of trachea, bronchi and bronchioles, and lungs
- Note: For this course, trachea is considered part of the lower respiratory tract, unlike in the textbook
Nasal Cavity
- Extends from nares to pharynx
- Two sides separated by the nasal septum
- Floor of the nasal cavity is the hard palate
- Nasal turbinates make air turbulent, remove particles and warm air up
- Lining of the nasal cavity is respiratory mucosa, which is ciliated columnar epithelium with goblet cells
- Respiratory mucosa warms and moistens air, traps foreign particles, and produces mucus
- Olfaction (smell) occurs in the nasal cavity
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