Question

which term correctly describes epithelial cells with regular shape?
columnar
cuboidal
simple
squamous

Explanation:

Epithelial cell shapes are defined as follows: Columnar cells are tall and narrow, cuboidal cells are cube-shaped (regular, equal width/height), simple refers to cell layer number not shape, and squamous cells are flat and irregular. Cuboidal matches the "regular shape" description.

Answer:

B. Cuboidal