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Questions and Answers
What is the primary function of the larynx?
What is the primary function of the larynx?
- To absorb oxygen from the air
- To produce vocal sounds
- To filter air entering the lungs
- To regulate the volume of air entering and leaving the lungs (correct)
How long is the larynx in length?
How long is the larynx in length?
- 4 cm (correct)
- 6 cm
- 2 cm
- 8 cm
Where is the larynx located in relation to the laryngopharynx?
Where is the larynx located in relation to the laryngopharynx?
- Anterior to the laryngopharynx
- Lateral to the laryngopharynx
- Inferior to the laryngopharynx (correct)
- Superior to the laryngopharynx
What structures does the larynx connect?
What structures does the larynx connect?
What type of structure is the larynx primarily made of?
What type of structure is the larynx primarily made of?
What is the philtrum?
What is the philtrum?
Where is the apex located?
Where is the apex located?
What connects the philtrum to the apex of the nose?
What connects the philtrum to the apex of the nose?
Which of the following best describes the appearance of the philtrum?
Which of the following best describes the appearance of the philtrum?
Which anatomical features interact at the philtrum?
Which anatomical features interact at the philtrum?
What is the primary function of the mucous membrane in the respiratory system?
What is the primary function of the mucous membrane in the respiratory system?
What do the tertiary bronchi branch into?
What do the tertiary bronchi branch into?
What is the approximate diameter of bronchioles?
What is the approximate diameter of bronchioles?
What do terminal bronchioles lead to?
What do terminal bronchioles lead to?
Which of the following statements is true regarding the bronchial structure?
Which of the following statements is true regarding the bronchial structure?
What is the primary function of capillaries located beneath the nasal epithelium?
What is the primary function of capillaries located beneath the nasal epithelium?
What role do the cilia of the respiratory epithelium play in the nasal cavity?
What role do the cilia of the respiratory epithelium play in the nasal cavity?
How do cilia assist in maintaining the cleanliness of the nasal cavity?
How do cilia assist in maintaining the cleanliness of the nasal cavity?
What happens to the mucus and debris swept toward the throat by cilia?
What happens to the mucus and debris swept toward the throat by cilia?
What physiological process occurs in the capillaries beneath the nasal epithelium?
What physiological process occurs in the capillaries beneath the nasal epithelium?
What is the primary function of the moist epithelium in the nasal cavity?
What is the primary function of the moist epithelium in the nasal cavity?
Which type of cells in the nasal epithelium are responsible for secreting antibacterial substances?
Which type of cells in the nasal epithelium are responsible for secreting antibacterial substances?
What effect does cold air have on the movement of cilia in the nasal passages?
What effect does cold air have on the movement of cilia in the nasal passages?
Where are the capillaries located that are responsible for warming air in the nasal cavity?
Where are the capillaries located that are responsible for warming air in the nasal cavity?
What is one of the primary roles of the enzyme lysozyme produced in the nasal epithelium?
What is one of the primary roles of the enzyme lysozyme produced in the nasal epithelium?
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Study Notes
Respiratory System
- Mucous membrane traps debris and pathogens
- Tertiary Bronchi divide into bronchiole branches
- Bronchioles are about 1 mm in diameter and further branch into terminal bronchioles, which lead to the structures of gas exchange
Larynx
- Cartilaginous structure about 4 cm, connecting the pharynx to the trachea
- Regulates the volume of air entering and leaving the lungs
Nasal Cavity
- Philtrum: Concave surface between the apex of the nose and the upper lip
- Apex: Tip of the nose
- Cilia of the respiratory epithelium remove mucus and debris by beating towards the throat for swallowing
- Cold air slows cilia movement, leading to mucus accumulation and runny nose
- Moist epithelium warms and humidifies incoming air
- Capillaries under the nasal epithelium warm air
- Serous and mucus-producing cells secrete lysozyme and defensins with antibacterial properties
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