BIOL 2220 - Exam 2 Study Questions
and Answers with Verified Solutions
2025
What is the study of tissues called? - Correct Ans-histology
Epithelial tissue has two components. What are they? - Correct Ans-1. covering and
lining
2. glandular
Which component of epithelial tissue?
line of cover all free body surfaces (anything exposed to the outside world) - Correct
Ans-covering and lining
Which component of epithelial tissue?
will not have modifications like gap junctions, tight junctions, or desomes - Correct Ans-
glandular
What are the following?
1. establish boundaries
2. protection
3. absorption
4. filtration
5. excretion
6. secretion
7. sensory reception - Correct Ans-functions of epithelial tissue
Which function of epithelial tissue?
separates the inside and the outside - Correct Ans-establish boundaries
Which function of epithelial tissue?
covers body surfaces - Correct Ans-protection
Which function of epithelial tissue?
absorb food that pass the epithelial tissue - Correct Ans-absorption
Which function of epithelial tissue?
BIOL 2220- Exam 2
, BIOL 2220- Exam 2
pass epithelial tissues to leave the body - Correct Ans-excretion and secretion
Which function of epithelial tissue?
modification of epithelial tissue (touch receptors) - Correct Ans-sensory reception
What two types of boundaries does epithelial tissue have? - Correct Ans-1. apical
surface
2. basal surface
Which boundary of epithelial tissue?
exposed to the air
free surface
top - Correct Ans-apical surface
Which boundary of epithelial tissue?
on top of other tissue
attached to connective tissue
bottom - Correct Ans-basal surface
What two components of the epithelial tissue make up the basement membrane? -
Correct Ans-1. basal lamina
2. reticular lamina
What is the importance of the basement membrane? - Correct Ans-anchors two
boundaries together
Which component of the basement membrane?
immediately deep to the basal layer
noncellular sheet of glycoproteins which extend to the reticular lamina - Correct Ans-
basal lamina
Which component of the basal membrane?
collagen fiber - Correct Ans-reticular lamina
What are the following examples of?
1. simple
2. stratified
3. pseudo stratified
4. squamous
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, BIOL 2220- Exam 2
5. cuboidal
6. columnar
7. transitional - Correct Ans-covering and lining epithelium
Which type of covering and lining epithelium?
one cell layer
tend to be involved in absorption and filtration - Correct Ans-simple
Which type of covering and lining epithelium?
two or more layers of cells
found in places with friction and lots of wear and tear and abrasion
main function is protection - Correct Ans-stratified
Which type of covering and lining epithelium?
one layer thick but appears to be more than one layer thick because the nuclei doesn't
line up
absorption, filtration, and protection
exists when there is little room - Correct Ans-pseudostratified
Which type of covering and lining epithelium?
flat - Correct Ans-squamous
Which type of covering and lining epithelium?
cubes - Correct Ans-cuboidal
Which type of covering and lining epithelium?
columns - Correct Ans-columnar
Which type of covering and lining epithelium?
dome-shaped to flattened cells - Correct Ans-transitional
How do you determine the name of covering and lining epithelium? - Correct Ans-based
on the number of cell layers that exist within that tissue
What type of epithelium?
make up glands
cell or group of cells of specialized epithelium that secret substances into ducts, onto
surfaces or into the blood
BIOL 2220- Exam 2
, BIOL 2220- Exam 2
requires energy to produce its secretory products
single cell or groups of cells that secrete substances - Correct Ans-glandular epithelium
Describe goblet cells. - Correct Ans-columnar epithelial
sometimes pseudostratified
Glands determine what? - Correct Ans-where the type of cell secretes
The following are examples of what?
1. exocrine
2. endocrine - Correct Ans-types of glands
Which type of gland?
ducted glands
secretion of enzymes
involved in digestion - Correct Ans-exocrine
Which type of gland?
blood stream transports throughout the body
hormones - Correct Ans-endocrine
Which type of glands does the pancreas have? - Correct Ans-endocrine and exocrine
The following are examples of what?
1. unicellular
2. multicellular - Correct Ans-structural classification
Which type of structural classification is being described?
one cell - Correct Ans-unicellular
Which type of structural classification is being described?
more than one cell which means its a more complex gland
duct - Correct Ans-multicellular
Does epithelial cells contain blood vessels? If not, why? - Correct Ans-no, because
blood vessels are in the underlying connective tissues
The following are examples of what?
1. merocrine
BIOL 2220- Exam 2