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Questions and Answers
What is the function of the lateral nasal gland?
What is the function of the lateral nasal gland?
- Producing mucus for the nostrils
- Moistening the nasal plane (correct)
- Aiding in olfactory sensation
- Assisting in temperature regulation
Which cartilage in the larynx is spade-shaped and unpaired?
Which cartilage in the larynx is spade-shaped and unpaired?
- Thyroid cartilage
- Arytenoid cartilage
- Epiglottic cartilage (correct)
- Cricoid cartilage
What is the function of the trachealis muscle?
What is the function of the trachealis muscle?
- Producing mucus for the trachea
- Assisting in vocalization
- Aiding in gas exchange
- Controlling the lumen of the trachea (correct)
Which part of the bronchial tree lacks cartilage?
Which part of the bronchial tree lacks cartilage?
Where is the 'Carina' located in the respiratory system?
Where is the 'Carina' located in the respiratory system?
Which part of the respiratory system is being moistened by the lateral nasal gland?
Which part of the respiratory system is being moistened by the lateral nasal gland?
What is the shape of the thyroid cartilage in the larynx?
What is the shape of the thyroid cartilage in the larynx?
What is the function of the epiglottic cartilage in the larynx?
What is the function of the epiglottic cartilage in the larynx?
What controls the lumen of the trachea by constricting or dilating it?
What controls the lumen of the trachea by constricting or dilating it?
Which part of the bronchial tree lacks cartilage?
Which part of the bronchial tree lacks cartilage?
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Study Notes
Nasal Gland and Respiratory System
- The lateral nasal gland produces mucus to moisten the nasal cavity.
Larynx Structure
- The thyroid cartilage is V-shaped in the larynx.
- The epiglottic cartilage separates the trachea from the esophagus, preventing food from entering the trachea.
Trachea Control
- The trachealis muscle controls the lumen of the trachea by constricting or dilating it.
Bronchial Tree
- The terminal bronchioles lack cartilage in the bronchial tree.
Respiratory System Landmarks
- The Carina is located at the bifurcation of the trachea in the respiratory system.
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