2-L1

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What shape does the nucleus of a squamous epithelial cell conform to?

Cuboidal
Flattened disk (correct)
Spherical
Elongate/Ovoid

What is the shape of the nucleus of a cuboidal epithelial cell?

Elongate/Ovoid
Cuboidal
Spherical (correct)
Flattened disk

What shape does the nucleus of a columnar epithelial cell take?

Spherical
Cuboidal
Flattened disk
Elongate/Ovoid (correct)

What is the shape of the nucleus of a spherical epithelial cell?

Cuboidal (A) Signup and view all the answers

What is the characteristic of the nucleus of an epithelial cell in relation to the shape of the cell?

It conforms to the shape of the cell (C) Signup and view all the answers

Which of the following describes the shape of the nucleus of an epithelial cell?

Conforms to the shape of the cell (B) Signup and view all the answers

What is the primary function of papillae in epithelial tissues?

To increase the area of contact between epithelium and connective tissue (D) Signup and view all the answers

What is the role of proteins in the basement membrane?

To help filter substances entering the epithelium and concentrate mitogenic growth factors (A) Signup and view all the answers

What is the function of the basal lamina component of the basement membrane?

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

What is the relationship between the dense basal lamina and the reticular lamina?

The dense basal lamina is anchored to the reticular lamina (C) Signup and view all the answers

What is the location of the basement membrane in relation to the epithelium and connective tissue?

Between the epithelium and connective tissue (D) Signup and view all the answers

What is the function of the basement membrane in terms of cell-to-cell interactions?

To mediate cell-to-cell interactions involving epithelia (C) Signup and view all the answers

What is the primary function of epithelia?

To cover the external surface of the body and line internal surfaces (C) Signup and view all the answers

What is a characteristic feature of epithelial cells?

They are arranged in continuous sheets, in single or multiple layers (A) Signup and view all the answers

What is the function of the basement membrane?

To attach epithelial cells firmly to nearby connective tissue (A) Signup and view all the answers

Why do epithelia have a high capacity for renewal?

Because they are subjected to wear and tear (C) Signup and view all the answers

What is a characteristic of epithelial tissue?

It is avascular (C) Signup and view all the answers

What is the apical surface of epithelial cells exposed to?

Body cavity, lining of internal organ, or exterior of body (C) Signup and view all the answers

What is the main characteristic of simple epithelium?

It has one layer of cells. (B) Signup and view all the answers

What is the function of stratified epithelium?

It protects underlying tissue from wear. (B) Signup and view all the answers

What is the characteristic of pseudostratified epithelium?

It has one layer of cells that appears as multiple layers. (C) Signup and view all the answers

What is the shape of cells that are involved in diffusion?

Squamous (B) Signup and view all the answers

What is the shape of cells that are involved in secretion and absorption?

Cuboidal (A) Signup and view all the answers

What is the shape of cells that are involved in protecting underlying tissue?

Columnar (C) Signup and view all the answers

What is the shape of the cells in simple columnar epithelium?

Rectangular (B) Signup and view all the answers

Where are nonciliated simple columnar epithelia typically found?

Gastrointestinal tract and gallbladder (B) Signup and view all the answers

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

Secretion of mucus (B) Signup and view all the answers

What is the function of microvilli in simple columnar epithelium?

Absorption of nutrients (A) Signup and view all the answers

Where are ciliated simple columnar epithelia typically found?

Fallopian tubes, uterus, and spinal cord (B) Signup and view all the answers

What is the function of ciliated simple columnar epithelium?

Movement of substances (D) Signup and view all the answers

What is the shape of the nucleus in simple columnar epithelium?

Ovoid (D) Signup and view all the answers