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Airway Anatomy / Physiology

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Question
Answer
Explanation
What happens to your diaphragm during inhalation?   show This is an active process, the diaphragm contracts in a downward motion drawing air into the lungs.  
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What ring-shaped structure forms the lower portion of the larynx?   show The inferior portion of the larynx is a cartilaginous ring. It is located directly inferior of the Thyroid cartilage.  
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show Carina   The trachea splits into 2 main stems, the left and the right, at the Carina. Each leads to a lung. It is located beneath the sternum  
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show Trachea   The trachea is a tube-like structure that allows air to pass from the upper airway into the lungs.  
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show Labored breathing   The use of accessory muscles is a sign of respiratory distress or failure. Nasal flaring is the body's effort to increase the size of the airway.  
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show Stridor   It is an upper airway obstruction caused by tissue swelling around trachea, larynx, and epiglottis.  
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How should you insert a nasopharyngeal airway?   Face the bevel towards the septum.   show
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show 500 ml   It is the amount of air that is moved in and out of the lungs during one breath.  
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What is the hypoxic drive?   A backup system to control respiration.   show
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What 4 things could wheezing indicate in the lungs   Asthma/COPD/Emphysema/Chronic Bronchitis   show
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What will you hear if there is fluid in the alveoli?   show  
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show Pharynx, Nasopharynx, Oropharynx, Larynx    
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show Trachea, Bronchi, Lungs    
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When should you use a Nonrebreather mask?   show Rate of 15 L/min and capable of providing up 90% inspired oxygen.  
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When should you use a Nasal Cannula?   show Can provide 24% to 44% inspired oxygen.1-6 lpm (2-4 lpm most common)  
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show For patients who need either assistance in ventilating or are not able to ventilate on their own   Minimum of 15 L/min.  
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show When vomit/liquid/food or other foreign materials enter the lungs   This is stopped by the Epiglottis. The epiglottis folds over the glottis to prevent aspiration,  
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show 350 ml   In the area of dead space that traps 150 mL of air. 350 mL effectively reaches the alveoli for oxygen and carbon dioxide exchange.  
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What is Hyperventilation?   show The body may be trying to compensate for acidosis. If too much carbon dioxide is blown off, alkalosis can occur.  
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When does Tension Pneumothorax occur?   when air accumulates between the chest wall and the lung and increases pressure in the chest, reducing the amount of blood returned to the heart.   show
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Which part of the upper airway is a passageway shared by the digestive system and respiratory systems for air and food.   show It is Muscular tube extending from nose and mouth to level of esophagus and trachea.  
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Which part of the upper airway Filters out dust and small particles and warms and humidifies air as it enters the body.   show directly posterior to the nose  
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