ANATOMY AND PHYSIOLOGY 2025/2026 LAB QUIZ 2
REVIEW EXAM QUESTIONS WITH COMPLETE SOLUTIONS
What are the characteristics of Epithelial Tissue/ Epithelium? -
-ANSWER -> ->1. Cellularity
- Composed mostly of closed-
packed cells
2. Specialized
contacts
- Form continuous sheets ( tight
junctions, desmosomes)
3.
Polarity
- Apical surface, basal
surface
4. Connective tissue
support
- basal lamina + reticular lamina=
basement membrane
5.
Avascularity
-Nerves, no blood
vessels
,-Nourished by
diffusion
6.
Regeneration
-High
productive rate
What is the description, function, and location of Simple
Squamous Epithelium? --ANSWER -> ->Description: Single layer
of flattened cells with disc-shaped central nuclei and sparse
cytoplasm; the simplest
Function: Allows passage of materials by diffusion and
filtration; secretes lubricating
substances in
serosae
Location: Kidney glomeruli; air sacs of lungs; lining of heart,
blood vessels; lymphatic
vessels
What are the description, function, and location of Simple
Cuboidal Epithelium? -
-ANSWER -> Description: Single layer of cube-like cells with
large, spherical central nuclei
,Function: Secretion and absorption
Location: Kidney tubules; ducts and secretory portions of small
glands; ovary surface
What are the description, function, and location of Simple
Columnar Epithelium? --ANSWER -> ->Description: Single layer
of tall cells with round/oval nuclei; some with cilia; layer may
contains mucus-secreting unicellular glands
Function: Absorption; secretion of mucus, enzymes-ciliated
types propel mucus
Location: Non-ciliated line digestive tract, gallbladder, and
excretory ducts. Ciliated line
small bronchi,
uterine tubes.
What are the description, function, and location of
Pseudostratified Columnar Epithelium? --ANSWER -> -
>Description: Single layer with differing heights, some not
reaching the free surface; nuclei seen at different levels.
Function: Secretion, particularly of mucus; propulsion of mucus
by ciliary action
, Location: Non-ciliated in sperm-carrying ducts. Ciliated lines the
trachea, most of upper
respiratory
tract.
What are the description, function, and location of Stratified
Squamous Epithelium? -
-ANSWER -> Description: Thick, membrane composed of
several cell layers; keratinized
and
nonkeratinized
types
Function: Protects underlying tissues in areas subjected to
abrasion
Location: Nonkeratinized type forms the moist linings of
the esophagus, mouth;
keratinized variety forms the epidermis of the
skin, a dry membrane
What are the description, function, and location of Stratified
Cuboidal Epithelium? -
-ANSWER -> Description: Generally two
layers of cube-like cells.
Function: Protection
REVIEW EXAM QUESTIONS WITH COMPLETE SOLUTIONS
What are the characteristics of Epithelial Tissue/ Epithelium? -
-ANSWER -> ->1. Cellularity
- Composed mostly of closed-
packed cells
2. Specialized
contacts
- Form continuous sheets ( tight
junctions, desmosomes)
3.
Polarity
- Apical surface, basal
surface
4. Connective tissue
support
- basal lamina + reticular lamina=
basement membrane
5.
Avascularity
-Nerves, no blood
vessels
,-Nourished by
diffusion
6.
Regeneration
-High
productive rate
What is the description, function, and location of Simple
Squamous Epithelium? --ANSWER -> ->Description: Single layer
of flattened cells with disc-shaped central nuclei and sparse
cytoplasm; the simplest
Function: Allows passage of materials by diffusion and
filtration; secretes lubricating
substances in
serosae
Location: Kidney glomeruli; air sacs of lungs; lining of heart,
blood vessels; lymphatic
vessels
What are the description, function, and location of Simple
Cuboidal Epithelium? -
-ANSWER -> Description: Single layer of cube-like cells with
large, spherical central nuclei
,Function: Secretion and absorption
Location: Kidney tubules; ducts and secretory portions of small
glands; ovary surface
What are the description, function, and location of Simple
Columnar Epithelium? --ANSWER -> ->Description: Single layer
of tall cells with round/oval nuclei; some with cilia; layer may
contains mucus-secreting unicellular glands
Function: Absorption; secretion of mucus, enzymes-ciliated
types propel mucus
Location: Non-ciliated line digestive tract, gallbladder, and
excretory ducts. Ciliated line
small bronchi,
uterine tubes.
What are the description, function, and location of
Pseudostratified Columnar Epithelium? --ANSWER -> -
>Description: Single layer with differing heights, some not
reaching the free surface; nuclei seen at different levels.
Function: Secretion, particularly of mucus; propulsion of mucus
by ciliary action
, Location: Non-ciliated in sperm-carrying ducts. Ciliated lines the
trachea, most of upper
respiratory
tract.
What are the description, function, and location of Stratified
Squamous Epithelium? -
-ANSWER -> Description: Thick, membrane composed of
several cell layers; keratinized
and
nonkeratinized
types
Function: Protects underlying tissues in areas subjected to
abrasion
Location: Nonkeratinized type forms the moist linings of
the esophagus, mouth;
keratinized variety forms the epidermis of the
skin, a dry membrane
What are the description, function, and location of Stratified
Cuboidal Epithelium? -
-ANSWER -> Description: Generally two
layers of cube-like cells.
Function: Protection
