MEDICINE MCQ
RESPIRATORY MEDICINE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The Adam’s apple acts as a shield of cartilage for it
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It is lined with mucous membrane and cilia
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It connects directly to the bronchioles
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The epiglottis covers it
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Detailed explanation-1: -The trachea has four layers. The inner mucosal layer has a lining of ciliated pseudostratified columnar epithelium with goblet cells. These cells are responsible for secreting mucus which coats the inner lining of the trachea. The mucus traps dust particles and other debris before they reach the lung.
Detailed explanation-2: -Answer and Explanation: The correct answer: The lumen of the trachea is lined with b. pseudostratified ciliated columnar epithelium. The lumen structure of the trachea is formed with the help of pseudostratified columnar epithelial cells.
Detailed explanation-3: -A mucous membrane, similar to those in the nasal cavity, lines the interior of the trachea. Cells in this membrane, called goblet cells, release mucus to help prevent microorganisms and debris from entering the lungs. The trachea is also lined with tiny hair-like structures called cilia.