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Multiple Choice
Which of the following statements best characterizes simple squamous epithelial tissue?
A
It contains cilia to move mucus along the respiratory tract.
B
It consists of a single layer of flat cells that allows for rapid diffusion.
C
It is composed of multiple layers of cube-shaped cells for protection.
D
It forms glands and is specialized for secretion.
Verified step by step guidance
1
Understand the characteristics of simple squamous epithelial tissue: It is composed of a single layer of flat cells and is specialized for rapid diffusion and filtration, making it ideal for areas like the alveoli in the lungs and the lining of blood vessels.
Compare the given options to the known characteristics of simple squamous epithelial tissue. Eliminate options that describe other types of epithelial tissue, such as those with cilia or multiple layers.
Option 1 mentions cilia and mucus movement, which is characteristic of pseudostratified columnar epithelium, not simple squamous epithelium. Eliminate this option.
Option 3 describes multiple layers of cube-shaped cells, which is characteristic of stratified cuboidal epithelium, not simple squamous epithelium. Eliminate this option.
Option 4 mentions gland formation and secretion, which is characteristic of glandular epithelium, not simple squamous epithelium. The correct option is the one describing a single layer of flat cells allowing rapid diffusion.