1. Simple columnar and pseudostratified columnar epithelium both are considered simple epithelium that consist of column-shaped cells. A. True
B. False
B. Simple columnar cells line up next to each other whereas there is an irregular arrangement with cells varying in height and shape in pseudostratified columnar epithelium, giving the impression of stratification.
A. True
B. False

Both options are true.

Explanation:

The cylindrical epithelium is a simple epithelium, which is characterized by having a cell layer, where all the cells are supported on the basement membrane, and its nucleus has reverse polarization in relation to the rest of the cells of our body, that is, they are found in a not very common position.

Simple cylindrical epithelia are found in areas of absorption or assimilation and exchange of gases or nutrients, since this shape is what allows them optimal diffusion through the epithelium, an example of the tissues in which this cellular architecture is found. They are the intestinal tract and the respiratory tract.

In the case of pseudostratified epithelium, it is very similar in function to the cylindrical one, with the difference that it gives a multilayered appearance, that is, its cells are stacked one from the other, giving the appearance of more than one epithelial layer as the stratified epithelium of our epithelial organ, but nevertheless it is not like that, there are many cells of irregular shape with a support in the basal one, that is why it is a single layer.

This last epithelium is also found in the airways in large numbers.

well we can't tell you because we cant see the time give a screen shot or something.

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