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Questions and Answers
What is one function of the sensitive nerves in the air passages?
What is one function of the sensitive nerves in the air passages?
- To detect changes in temperature
- To regulate blood flow
- To detect odors (correct)
- To trigger the immune response
How is the air modified before it enters the lungs?
How is the air modified before it enters the lungs?
- It is cooled then filtered
- It is mixed with carbon dioxide
- It is forced at high pressure
- It is moistened and warmed to body temperature (correct)
What response is triggered by irritants in the air that come into contact with sensitive nerves?
What response is triggered by irritants in the air that come into contact with sensitive nerves?
- Nausea to eliminate toxins
- Coughing to clear the throat
- Sneezing to expel dust (correct)
- Increased heart rate
In addition to detecting odors, what is another role played by the sensitive nerves mentioned?
In addition to detecting odors, what is another role played by the sensitive nerves mentioned?
Which of the following statements is accurate regarding the air before it reaches the lungs?
Which of the following statements is accurate regarding the air before it reaches the lungs?
Which structure is NOT part of the upper respiratory tract?
Which structure is NOT part of the upper respiratory tract?
Which of the following structures is primarily responsible for the production of sound?
Which of the following structures is primarily responsible for the production of sound?
What is the primary function of the paranasal sinuses?
What is the primary function of the paranasal sinuses?
In which respiratory structure would tonsils and adenoids be located?
In which respiratory structure would tonsils and adenoids be located?
Which component is included in the upper airway structures?
Which component is included in the upper airway structures?
Which structure is NOT part of the upper respiratory tract?
Which structure is NOT part of the upper respiratory tract?
Which of the following pairs are correctly associated with components of the upper respiratory tract?
Which of the following pairs are correctly associated with components of the upper respiratory tract?
What function do the paranasal sinuses primarily serve?
What function do the paranasal sinuses primarily serve?
Which statement about the pharynx is correct?
Which statement about the pharynx is correct?
Which of the following structures helps prevent food from entering the airway?
Which of the following structures helps prevent food from entering the airway?
What structures in the lower respiratory tract are primarily responsible for gas exchange?
What structures in the lower respiratory tract are primarily responsible for gas exchange?
Which of the following statements is true about the lower respiratory tract?
Which of the following statements is true about the lower respiratory tract?
Which component of the lower respiratory tract plays a role in directing air to the alveoli?
Which component of the lower respiratory tract plays a role in directing air to the alveoli?
What function do the alveolar structures serve in the lower respiratory tract?
What function do the alveolar structures serve in the lower respiratory tract?
Which part of the respiratory system is least involved in gas exchange?
Which part of the respiratory system is least involved in gas exchange?
What structures are primarily involved in gas exchange within the lungs?
What structures are primarily involved in gas exchange within the lungs?
Which component is NOT part of the lower respiratory tract?
Which component is NOT part of the lower respiratory tract?
Which function is primarily attributed to the alveolar structures in the lungs?
Which function is primarily attributed to the alveolar structures in the lungs?
What is the primary role of the bronchial structures within the lungs?
What is the primary role of the bronchial structures within the lungs?
In what part of the respiratory system does gas exchange predominantly occur?
In what part of the respiratory system does gas exchange predominantly occur?
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Study Notes
Upper Respiratory Tract
- The upper airway structures consist of the nose, paranasal sinuses, pharynx, tonsils, adenoids, larynx, and trachea.
Lower Respiratory Tract
- The lower respiratory tract consists of the lungs.
- The lungs contain the bronchial and alveolar structures which are needed for gas exchange.
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