Question 1

Casein is a major protein produced by cells in:

Accepted Answer

A)   Eccrine sweat glands
B)   Mammary glands
C)   Mucus-type salivary acini
D)   Serous-type salivary acini
E)   The exocrine pancreas B

Question 2

Goblet cells are typically found in which type of epithelium?

Accepted Answer

A)   Pseudostratified columnar
B)   Simple cuboidal
C)   Simple squamous
D)   Stratified squamous
E)   Transitional A

Question 3

A simple squamous epithelium is specialized for:

Accepted Answer

A)   Adaptation to rapid changes in the volume of a hollow organ
B)   Diffusion of molecules between a lumen and underlying connective tissue
C)   Movement of mucus within the respiratory system
D)   Protection of underlying connective tissue from abrasion or desiccation
E)   Secretion of proteins into a lumen B

Question 4

In certain epithelial cells,the plasma membrane has a scalloped contour and contains many rigid membranous plaques.In which type of epithelium can such cells be found?

Accepted Answer

A)   Simple cuboidal epithelium
B)   Simple columnar epithelium
C)   Simple squamous epithelium
D)   Stratified squamous epithelium
E)   Transitional epithelium

Question 5

A stratified cuboidal epithelium is found in which location?

Accepted Answer

A)   Eccrine sweat glands
B)   Lining blood vessels
C)   Lining the trachea
D)   Lining the urinary bladder
E)   Surface of the skin

Question 6

A serous demilune is defined as a(n):

Accepted Answer

A)   A collection of secretory acini that drain into a single duct
B)   An association of secretory vesicles at the apical surface of an epithelial cell
C)   A bright-staining segment of a basal lamina beneath glandular epithelial cells
D)   A collection of serous cells adjacent to mucus cells of a salivary gland
E)   Simple cuboidal cells that constitute the duct portions of salivary glands

Question 7

A major protein component of the basal lamina of an epithelium is:

Accepted Answer

A)   Heparin
B)   Keratin
C)   Tubulin
D)   Type II collagen
E)   Type IV collagen

Question 8

A brush border of microvilli,specialized for the active transport of small molecules across transporter proteins in the cell membrane,is typically found in which type of epithelium?

Accepted Answer

A)   Pseudostratified columnar epithelium
B)   Simple columnar epithelium
C)   Simple squamous epithelium
D)   Stratified squamous epithelium
E)   Transitional epithelium

Exam 2: Epithelium and Exocrine Glands