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30 Cards in this Set
- Front
- Back
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Define the nasal cavity.
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The cavity between the floor of the cranium and the roof of the mouth that opens to the nose anteriorly and to the nasopharynx posteriorly; the uppermost portion of the airway.
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Define the nasal septum.
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The wall that divides the nasal cavity into halves.
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Define the mucous membrane.
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A membrane lining many of the body cavities that handle air transport. It usually contains small, mucus-secreting glands.
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Define mucus.
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A thick, slippery secretion that functions as a lubricant and protects various surfaces of the body.
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Define cilia.
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Hairlike fibers projecting from the cells that propel mucus.
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Define oral cavity.
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The mouth.
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Define pharynx.
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The throat; a muscular tube that extends from the back of the nasal cavity to the upper end of the esophagus and larynx, having three sections. The nasopharynx, oropharynx and the laryngopharynx.
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What is also known as the hypopharynx?
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The laryngopharynx.
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Define gag reflex.
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The act of retching or striving to vomit, a normal reflex triggered by touching the soft palate or throat.
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Define epiglottis.
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A leaf shaped cartilage that prevents food from entering the trachea during swallowing.
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Define vallecula.
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The depression between the epiglottis and the base of the tongue.
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Define larynx.
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The complex structure that connects the pharynx with the trachea.
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Define arytenoid cartilage.
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Cartilaginous structures that form the posterior border of the glottis; an important landmark for endotracheal intubation.
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Define glottis.
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The opening between the vocal cords.
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Define Sellick maneuver.
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Posterior displacement of the cricoid ring that occlude the esophagus; also called cricoid pressure.
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What is another name for Sellick maneuver?
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Cricoid pressure.
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Define circothyroid membrane.
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The membrane located between the cricoid and thyroid cartilages of the larynx.
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How long is the average trachea?
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10 to 12 centimeters.
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Define trachea.
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The 10 to 12 centimeter long tube that connects the larynx with the mainstem bronchi.
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Is expiration an active or passive process?
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Passive.
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Name several factors that could increase respiratory rate.
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Fever, anxiety, hypoxia, stimulant drugs, pain, acidosis.
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Name several factors that could decrease respiratory rate.
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Depressant drugs and sleep.
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An Sp02 reading of 95% to 100% would indicate what kind of status?
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Normal.
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An Sp02 reading of 94% to 91% would indicate what kind of status?
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Mild hypoxia.
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An Sp02 reading of 91% to 91% would indicate what kind of status?
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Moderate hypoxia.
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An sp02 reading or 85% or below would indicate what kind of status?
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Severe hypoxia.
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Name contraindications for use of a nasopharyngeal airway.
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Nasal obstructions, history of nosebleeds or suspected basilar skull fracture.
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Name indications for use of a nasopharyngeal airway.
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Tongue is acting as an airway obstruction, oropharyngeal airway is contraindicated.
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Name contraindications for use of a oropharyngeal airway.
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Gag reflex.
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Name indications for use of a oropharyngeal airway.
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Tongue is an airway obstruction. Need for bite block in intubated patient.
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