UPDATED Exam Questions and
CORRECT Answers
Tissues are classified by - CORRECT ANSWER - number of layers
simple layers - CORRECT ANSWER - single layer
stratified layers - CORRECT ANSWER - more than one layer
pseudostratified layers - CORRECT ANSWER - one layer (looks like more)
simple function - CORRECT ANSWER - absorption and filtration
stratified function - CORRECT ANSWER - protection
simple epithelium found - CORRECT ANSWER - areas without much friction
stratified epithelium found - CORRECT ANSWER - areas with high abrasion
Pseudostratified epithelium found - CORRECT ANSWER - areas with little movement
Different shapes of epithelium - CORRECT ANSWER - squamos, cuboidal, columnar,
transitional
squamos epithelium is (shape) - CORRECT ANSWER - flat
,cuboidal epithelium is (shape) - CORRECT ANSWER - cube, same width and length
columnar epithelium is (shape) - CORRECT ANSWER - column, longer than wide
transitional epithelium is (shape) - CORRECT ANSWER - dome cells on apical surface ,
can change shape (stretch), found in hollow storage organs
Functions of Epithelium - CORRECT ANSWER - 1. establish boundaries
2. protection
3. absorption
4. filtration
5. excretion
6. secretion
7. sensory reception
2 groupings of epithelial tissue - CORRECT ANSWER - 1. covering and lining
2. glandular
covering and lining epithelium found - CORRECT ANSWER - on all free body surfaces,
exposed to the exterior.. ex. lining the digestive and respiratory tract
apical layer - CORRECT ANSWER - exposed to air, free surface
basal layer - CORRECT ANSWER - attached surface, usually attached to an underlying
CT
surface meaning - CORRECT ANSWER - simple/single cells
,layers meaning - CORRECT ANSWER - stratified cells
basement membrane composed of two parts: - CORRECT ANSWER - basal lamina and
reticular lamina
where is the basement membrane located? - CORRECT ANSWER - basal surface of
epithelial tissue
basal lamina - CORRECT ANSWER - noncellular sheet of glycoproteins, anchors basal
layer to connective tissue
reticular lamina - CORRECT ANSWER - collection of collagen fibers, adds strength and
integrity to the basement membrane
What connects epithelial and connective tissue? - CORRECT ANSWER - basal layer -
glycoproteins and collagen
Does epithelial or connective tissue have blood vessels? - CORRECT ANSWER -
connective tissue
Are epithelial cells vascular or avascular? - CORRECT ANSWER - avascular (no blood
vessels)
Where is covering and lining epithelial tissue located? - CORRECT ANSWER - all free
body surfaces (mouth to anus)
glandular epithelium - CORRECT ANSWER - secretory part of a gland, secretes things
gland definition - CORRECT ANSWER - cell or group of cells of specialized epithelium
that secrete substances into ducts, onto surfaces, or into the blood
, ducts - CORRECT ANSWER - tubules that direct to a specific place
are glands unicellular or multicellular? - CORRECT ANSWER - both
A gland requires this to produce its mostly watery secretory product - CORRECT
ANSWER - energy
Exocrine glands secrete into - CORRECT ANSWER - ducts
Most exocrine glands are associated with - CORRECT ANSWER - digestion
Endocrine glands secrete into - CORRECT ANSWER - not ducts (ductless)
Endocrine glands secrete - CORRECT ANSWER - hormones
What type of gland does the pancreas have? - CORRECT ANSWER - both Endocrine and
Exocrine glands
Structural Classification of glands - CORRECT ANSWER - Unicellular and Multicellular
Unicellular glands are also called - CORRECT ANSWER - goblet cells
goblet cell - CORRECT ANSWER - unicellular exocrine gland that produces mucus
Where is mucus from goblet cells secreted? - CORRECT ANSWER - into ducts or onto
the surfaces of cells