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Question:

The type of epithelial cells which line the inner surface of fallopian tubes, bronchioles, and bronchi are known as:

Ciliated epithelium

Columnar epithelium

Squamous epithelium

Cubical epithelium

Solution:

The correct answer is Ciliated epithelium.

Fallopian tubes, bronchioles, and bronchi require a specialized epithelium to perform their functions. Ciliated epithelium is characterized by the presence of cilia, hair-like projections on the apical surface of the cells. These cilia beat rhythmically, moving mucus and other substances along the surface. This is crucial in the fallopian tubes for moving the egg towards the uterus, and in the bronchioles and bronchi for clearing debris and mucus from the respiratory tract. The other options are incorrect because they lack the characteristic cilia necessary for these specific functions.