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Multiple Choice
Which of the following epithelial tissue types is best adapted for the rapid transport of materials across its membranes?
A
stratified squamous
B
transitional
C
pseudostratified ciliated columnar
D
simple squamous
E
stratified cuboidal
Verified step by step guidance
1
Understand the function of epithelial tissues: Epithelial tissues serve as protective layers and are involved in absorption, secretion, and transport of materials.
Identify the characteristics of simple squamous epithelium: Simple squamous epithelium consists of a single layer of flat cells, which facilitates efficient diffusion and transport of materials due to its thinness.
Compare with other epithelial types: Stratified squamous epithelium is composed of multiple layers, providing protection but not rapid transport. Transitional epithelium is specialized for stretching, not transport. Pseudostratified ciliated columnar epithelium is involved in secretion and movement of mucus, not rapid transport. Stratified cuboidal epithelium is also multilayered, providing protection rather than transport.
Consider the location and function: Simple squamous epithelium is found in areas where rapid exchange is crucial, such as the alveoli of the lungs and the lining of blood vessels.
Conclude why simple squamous is best adapted: Due to its single layer of flat cells, simple squamous epithelium is ideally suited for rapid transport of materials across its membranes, making it the best choice among the options provided.