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Abby Rodriguez
Week 12
| Question | Answer |
|---|---|
| What structures are included in the upper respiratory tract? | Nose, paranasal sinuses, pharynx, and the portion of the larynx above the vocal |
| What structures are included in the lower respiratory tract? | portion of the larynx below the vocal cords, trachea, bronchi, bronchioles, lungs |
| Two functional zones of the respiratory tract | Conducting zone & Respiratory zone |
| What are bronchioles? | Bronchioles are the smaller airways that branch from the bronchi |
| What is surfactant? | Surfactant is a fluid secreted by certain cells that coats the alveoli and reduces surface tension |
| Three general steps required for respiration | Ventilation, Diffusion, & Perfusion |
| What is the main purpose of the respiratory tract? | provide a passage for air to move in and out of the lungs, filter the air, and deliver it to the respiratory zone |
| How do the respiratory and circulatory systems work together? | Respiration supplies O₂ and removes CO₂; circulation transports these gases to and from tissues |
| Why are bronchioles important in asthma? | Their smooth muscle can constrict easily, narrowing airways and causing breathing difficulty |
| What happens if mucociliary clearance is impaired? | Mucus builds up, raising infection risk and reducing lung function |
Created by:
Abbyrma