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RCA 1051
RCA 1051 Upper Airway
| Question | Answer |
|---|---|
| Name four cavities of the upper airway | Nasal, Oral cavities, pharynx, and larynx |
| functions of the upper airway | conduct air , humidify and warm or cool inspired air, prevent foreign materials from entering the tracheobronchial tree, serve as an important area involved in speech and smell |
| What are the names of the subdivisions for the upper airway | Nasopharynx, Oropharynx and Laryngopharynx |
| 1 device that can be placed in each subdivision | NPA, OPA, and LMA |
| What are the names of the two sets of vocal cords | True vocal fold and false vocal folds (ventricular folds) |
| which directions do vocal cord move on inspiration | Outward - abduct- open |
| which directions do vocal cord move on expiration | Inward- adduct- closed |
| what are the function of the epiglottis | Prevents aspiration, protects airway by closing when swallowing foods and liquids |
| what is the significant about the cricoid cartilage in the larynx | only complete ring of cartilage, its the narrowest part of a child airway, site for emergent airway |
| what are the four names of the epithelial tissues found in the upper and lower airways | Pseudostratified ciliated columnar epithelium Non- ciliated stratified squamous epithelium Simple cuboid epithelium Simple squamous epithelium |
| Where is Pseudostratified ciliated columnar epithelium located | found in the posterior 2/3 of the nasal cavity, tracheobronchial tree, nasopharynx, carina, trachea, main stem of the bronchus |
| Where is Non- ciliated stratified squamous epithelium located | anterior portion of the nasal cavity, oral cavity, oropharynx |
| Where is Simple cuboid epithelium located | respiratory bronchioles |
| Where is Simple squamous epithelium located | walls of the alveoli and pulmonary capillaries, alveolar ducts |
| What is the function of the Non- ciliated stratified squamous epithelium | provides protection against physical stress, abrasions, and chemical irritation |
| What is the function of the Pseudostratified ciliated columnar epithelium | contains cilia that moves mucus and trapped particles upward towards the pharynx |
| What is the function of the Simple cuboid epithelium | provides protection, secretion, and absorption 1 layer allows for conducting air and transitions into exchange gases if needed |
| What is the function of the Simple squamous epithelium | allows for efficient gas exchange allows molecules and particles passive movement for gas diffusion |
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