Epithelia Flashcards
The transitional epithelium lines the:
a) trachea
b) urinary bladder
c) soft palate
d) thyroid gland
B
The glands in eyelid are:
a) holocrine
b) Meibomian
c) Brunner’s
d) Ebner’s
A,b
Stereocilia:
a) are long, nonmotile extensions of on the surface of cells
b) are present in trachea
c) are present in ductus deferents
d) represent a variety of microvilli
A,c,d
Cilia:
a) contain a central pair of isolated microtubules surrounded by nine pairs of micro-
tubules
b) are cylindrical structures
c) are motile
d) are present in epididymis and ductus deferens
A,b,c
The simple cuboidal epithelium lines the:
a) duodenum
b) some ducts of glands
c) follicles of the thyroid gland
d) distal tubule of the nephron
B,c,d
Which statements are correct:
a) tight junction is usually present near to the apical surface
b) zonula occludens forms a belt around the cell
c) macula adherens is other term for desmosome
d) nexus is other term for tight junction
A,b,c
In the pseudostratified columnar ciliated epithelium:
a) all cells have a contact with basal lamina
b) only some cells reach the apical surface
c) there are Goblet cells present
d) the cells are in multiple layers
A,b,c
The pseudostratified columnar ciliated epithelium lines the:
a) trachea
b) nasal part of soft palate
c) terminal bronchiolus
d) all parts of the respiratory tract
A,b
The glands in duodenum are:
a) serous
b) Meibomian
c) Brunner’s
d) mucous
C,d
The wall of gall bladder:
a) is lined by squamous stratified epithelium
b) is lined by pseudostratified columnar epithelium
c) is lined by simple columnar epithelium
d) contains layer of smooth muscle cells
C,d
The glands in the axilla can be:
a) holocrine
b) eccrine
c) apocrine
d) merocrine
A,b,c,d
The simple columnar epithelium lines the:
a) soft palate
b) stomach
c) duodenum
d) vessels
B,c
The principal functions of epithelial tissues are:
a) the covering and lining of surfaces
b) absorption
c) secretion
d) contractility
A,b,c,d
The portion of the epithelial cells that faces the connective tissue is called:
a) the basal pole
b) the apical pole
c) the free surface
d) lateral surfaces
A
The microvilli:
a) are finger-like extensions
b) can be found mainly on the basal cell surface
c) are present in the small intestine
d) are present in the proximal renal tubule
A,c,d
The stratified columnar epithelium lines the:
a) trachea
b) soft palate
c) conjunctiva
d) stomach
C
The stratified squamous non-keratinized epithelium lines the:
a) skin
b) esophagus
c) vagina
d) soft palate
B,c,d
Myoepithelial cells:
a) are branched cells that contain myosin and a large number of actin filaments
b) are cells of epithelial origin with specialized sensory functions
c) are specialized for contraction
d) are presented in the mammary, sweat, and salivary glands
A,c,d
The goblet cell:
a) is an example of a unicellular gland
b) is presented in the small intestine
c) is presented in the respiratory tract
d) is a mucus - secreting gland
A,b,c,d
Endocrine gland:
a) retains its connection with the surface epithelium from which it originated
b) is gland whose connection with the surface is lost during development
c) is the adrenal gland
d) is the thyroid gland
B,c,d
Exocrine gland:
a) has a secretory portion, which contains the cells responsible for the secretory
process
b) has ducts, which transport the secretions
c) is the pancreas
d) is the thyroid gland
A,b,c
Apocrine gland:
a) the secretory granules leave the cell by exocytosis with no loss of other cellular
material
b) the secretory product is discharged together with parts of the apical cytoplasm
c) is presented in axilla
d) is sweat gland
B,c
Serous cells:
a) are polyhedral or pyramidal
b) have central, rounded nuclei
c) are in the pancreas
d) are in the thyroid gland
A,b,c
Zymogen granules:
a) are secretory granules accumulate in the apical cytoplasm
b) are derived from the Golgi complex
c) are presented in the pancreatic acinar cells
d) are presented in the Brunner’s gland
A,b,c
Mucous glands:
a) have a pale cytoplasm
b) have a darkly stained nucleus positioned at the cell base
c) contain zymogen granules
d) are presented in the pancreas
A,b
Which of the glands are formed exclusively of serous cells?
a) the parotid gland
b) the submandibular gland
c) the sublingual gland
d) the pancreas
A,d
The epiglottis is lined by:
a) a simple cuboidal epithelium
b) a simple columnar epithelium
c) pseudostratified columnar epithelium
d) a stratified squamous nonkeratinized epithelium
C,d
Simple cuboidal epithelium lines the:
a) the thyroid gland
b) the gall bladder
c) the ovary
d) the pleura
A,c
Sebaceous glands:
a) usually ends in the upper portion of a hair follicle
b) are apocrine
c) are not found in the glabrous skin of the palms and soles
d) are holocrine
A,c,d
The serous demilunes:
a) the mucous cells form tubules, but their ends are capped by serous cells
b) are presented in the thyroid gland
c) are presented in the pancreas
d) are presented in the submandibular gland
A,d
