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What is the primary function of the apical surface of epithelial cells?

Exposure to body cavities, lining of internal organs, or the exterior of the body (correct)

Attachment to the basement membrane

Protection of the underlying tissue from external damage

Exchange of materials with nearby connective tissue

What is the characteristic of epithelial cells that allows them to withstand wear and tear?

Low mitotic rate

Avascularity

High capacity for renewal (correct)

Presence of papillae

What is the function of papillae in epithelial tissues?

To increase the area of contact with nearby connective tissue (correct)

To increase the surface area for attachment to the basement membrane

To increase the surface area for protection

To increase the surface area for exchange of materials

Why are epithelial cells arranged in continuous sheets?

To provide a barrier against external damage Signup and view all the answers

What is the characteristic of epithelial cells that allows them to adhere to nearby connective tissue?

Presence of basement membrane Signup and view all the answers

What is the function of the basement membrane?

To attach the epithelium to nearby connective tissue Signup and view all the answers

Why do epithelial cells have a high capacity for renewal?

Because they are susceptible to wear and tear Signup and view all the answers

What is the characteristic of epithelial cells that allows them to exchange materials with nearby connective tissue?

Diffusion of materials Signup and view all the answers

Where are blood vessels located in relation to epithelial tissue?

In the nearby connective tissue Signup and view all the answers

What is the primary function of epithelial tissue?

All of the above and more Signup and view all the answers

What is the primary function of the basal lamina in epithelial cells?

To organize proteins in the plasma membrane of epithelial cells Signup and view all the answers

What is the characteristic of a simple epithelium?

It is composed of a single layer of cells Signup and view all the answers

What is the shape of the nucleus in squamous epithelial cells?

Flattened disk Signup and view all the answers

What is the function of ciliated simple columnar epithelium?

To move mucus and other substances via cilia Signup and view all the answers

What is the characteristic of pseudostratified epithelium?

It has nuclei at different levels Signup and view all the answers

What is the function of the reticular lamina in epithelial cells?

To form a scaffold for epithelial repair and regeneration Signup and view all the answers

What is the shape of the cells in cuboidal epithelial cells?

Cubelike Signup and view all the answers

What is the function of nonciliated simple columnar epithelium?

To aid in secretion and absorption Signup and view all the answers

What is the characteristic of stratified epithelium?

It is composed of multiple layers of cells Signup and view all the answers

What is the function of goblet cells in simple columnar epithelium?

To secrete mucus Signup and view all the answers