21) Identify the type of epithelial tissue shown in the figure.

A) simple squamous

B) stratified squamous

C) pseudostratified ciliated columnar

D) simple cuboidal

E) transitional

22) Flattened cells on the surface of an epithelial tissue are characteristic of ________ epithelia.

A) squamous

B) ciliated

C) columnar

D) transitional

E) cuboidal

23) The type of epithelium that is found in the exchange surfaces of the lungs is

A) simple squamous.

B) stratified squamous.

C) simple cuboidal.

D) stratified cuboidal.

E) transitional.

24) Which of the following is a correct statement about stratified epithelia?

A) They afford little mechanical protection.

B) They are characteristic of regions where secretion or absorption occurs.

C) They line only internal compartments and passageways.

D) They cover surfaces that are subjected to mechanical or chemical stress.

E) They are vascular.

25) The type of epithelium found lining the trachea is

A) simple squamous.

B) simple cuboidal.

C) stratified squamous.

D) transitional.

E) pseudostratified columnar.

26) Simple squamous epithelium would be found

A) at the surface of the skin.

B) lining the trachea.

C) lining blood vessels.

D) lining the stomach and small intestine.

E) lining the urinary bladder.

27) A simple cuboidal epithelium would be found

A) lining the urinary bladder.

B) lining the small intestine.

C) lining kidney tubules.

D) lining the stomach.

E) at the surface of the skin.

28) The type of epithelium with multiple cell types where the distance between cell nuclei and the exposed surface varies is

A) pseudostratified columnar epithelium.

B) simple columnar epithelium.

C) simple cuboidal epithelium.

D) stratified columnar epithelium.

E) stratified cuboidal epithelium.

29) Which secretion type, secreted by the parotid salivary glands, is comprised of a watery solution containing enzymes?

A) mucous

B) merocrine

C) apocrine

D) serous

E) holocrine

30) Milk production from mammary glands is an example of what type of secretion?

A) merocrine

B) holocrine

C) apocrine

D) serous

E) endocrine