A scientist observed the presence of pseudostratified epithelium. What might be the organ observed by the scientist?
A
Kidney
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B
Urinary bladder
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C
Trachea
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D
None of the above
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Solution
The correct option is BTrachea The trachea is lined by pseudostratified ciliated mucous epithelium. The mucus keeps the surface moist and also holds bacteria and dust particles which are swept up by the cilia in the pharynx. Whereas, kidney lined by the cuboidal epithelium and urinary bladder lined by transitional epithelium. Hence option D is the correct answer.