carbon dioxide s frem the body 6 Cilia lining the nasal cavity and nasopharynx b
ID: 3513113 • Letter: C
Question
carbon dioxide s frem the body 6 Cilia lining the nasal cavity and nasopharynx beat in unison to propel mucus and debris infer respiratory tract inferior to the true vocal cords beat in unison to propel mucus and debris supe reason for this functional difference. the You have just performed an emergency cricothyroidotomy and inserted an endotracheal tube. Your partner has begun ventilating the patient, when you notice that only the right side of the patient's chest is rising and falling with each breath. When you auscultate the patient's chest, you hear breath sounds in the right lung, but not the left lung. What has likely happened during the procedure? How can the mistake be fixed?Explanation / Answer
The nasal cavity and nasopharynx is lined by a ciliated epithelium. The cilia beats towards the pharynx, so that the foreign particles can be swallowed. The nasal cavity is supplied by sensory nerve endings of the trigeminal nerve and are sensitive to irritants. They activate the sneezing reflex to eliminate foreign particles.
The lower respiratory tract is also lined with cilia which traps foreign particles and eliminate them through co-ordinated movement of the cilia in the lower respiratory tract in an upward direction. They are supplied by The glosso-pharyngeal and vagal nerve endings in the lower respiratory tract. They initiate cough reflex.
Cricothyroidectomy is the incision of cricothyroid membrane to ensure patent airway. Absence of rising of one side of chest and absent breath sounds suggest improper placement of endotracheal tube.
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