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Question

Which of the following epithelial tissues lines the inner surface of the trachea?

A
Pseudo stratified epithelium
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B
Cuboidal
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C
Hyaline cartilage
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D
Squamous
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Solution

The correct option is A Pseudo stratified epithelium
In the tracheal linings and the linings of the upper respiratory tract, the cells appear stratified. They are tightly packed and their nuclei are placed in a forced manner giving a stratified appearance. This epithelium consists of ciliated cells to trap the dust particles and pathogens that may harm the respiratory system. Thus the correct answer is option A.

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