BIOL 251
BIOL 251 HUMAN ANATOMY & PHYSIOLOGY I W/LAB | MODULE 2 EXAM
QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
GRADED A+ LATEST 2026
Question 1
Which tissue type is specialized for covering body surfaces and lining
internal cavities?
A. Connective tissue
B. Muscle tissue
C. Nervous tissue
D. Epithelial tissue
Correct Answers >> D
Rationale: Epithelial tissue covers surfaces, lines cavities, and forms glands.
Question 2
Which characteristic is shared by all epithelial tissues?
A. Extensive extracellular matrix
B. Rich blood supply
C. Apical–basal polarity
D. Ability to contract
Correct Answers >> C
Rationale: Epithelial tissues have distinct apical and basal surfaces.
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,Question 3
Which type of epithelium is best suited for rapid diffusion?
A. Stratified squamous
B. Simple squamous
C. Simple cuboidal
D. Pseudostratified columnar
Correct Answers >> B
Rationale: Simple squamous epithelium is thin, allowing rapid diffusion.
Question 4
The alveoli of the lungs are lined primarily by:
A. Simple cuboidal epithelium
B. Simple columnar epithelium
C. Simple squamous epithelium
D. Stratified squamous epithelium
Correct Answers >> C
Rationale: Thin simple squamous epithelium facilitates gas exchange.
Question 5
Which epithelial tissue provides protection against abrasion?
A. Simple squamous
B. Stratified squamous
C. Simple cuboidal
D. Transitional
Correct Answers >> B
Rationale: Stratified squamous epithelium has multiple layers for
protection.
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,Question 6
Which feature anchors epithelial tissue to underlying connective tissue?
A. Apical surface
B. Tight junctions
C. Basement membrane
D. Desmosomes
Correct Answers >> C
Rationale: The basement membrane secures epithelium to connective tissue.
Question 7
Which junction prevents substances from passing between cells?
A. Gap junction
B. Desmosome
C. Tight junction
D. Adherens junction
Correct Answers >> C
Rationale: Tight junctions form impermeable seals.
Question 8
Which epithelial tissue stretches to accommodate volume changes in the
bladder?
A. Simple cuboidal
B. Simple columnar
C. Stratified squamous
D. Transitional
Correct Answers >> D
Rationale: Transitional epithelium stretches and recoils.
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, Question 9
Which connective tissue type has the greatest tensile strength?
A. Areolar
B. Adipose
C. Dense regular
D. Reticular
Correct Answers >> C
Rationale: Dense regular connective tissue resists strong pulling forces.
Question 10
Which connective tissue stores fat and provides insulation?
A. Areolar
B. Dense irregular
C. Adipose
D. Hyaline cartilage
Correct Answers >> C
Rationale: Adipose tissue stores fat and insulates.
Question 11
Which connective tissue forms the structural framework of lymphoid
organs?
A. Elastic cartilage
B. Dense regular connective tissue
C. Reticular connective tissue
D. Fibrocartilage
Correct Answers >> C
Rationale: Reticular tissue forms scaffolding for lymphoid organs.
https://www.stuvia.com/user/MBOFFIN
BIOL 251 HUMAN ANATOMY & PHYSIOLOGY I W/LAB | MODULE 2 EXAM
QUESTIONS AND CORRECT ANSWERS WITH RATIONALES
GRADED A+ LATEST 2026
Question 1
Which tissue type is specialized for covering body surfaces and lining
internal cavities?
A. Connective tissue
B. Muscle tissue
C. Nervous tissue
D. Epithelial tissue
Correct Answers >> D
Rationale: Epithelial tissue covers surfaces, lines cavities, and forms glands.
Question 2
Which characteristic is shared by all epithelial tissues?
A. Extensive extracellular matrix
B. Rich blood supply
C. Apical–basal polarity
D. Ability to contract
Correct Answers >> C
Rationale: Epithelial tissues have distinct apical and basal surfaces.
https://www.stuvia.com/user/MBOFFIN
,Question 3
Which type of epithelium is best suited for rapid diffusion?
A. Stratified squamous
B. Simple squamous
C. Simple cuboidal
D. Pseudostratified columnar
Correct Answers >> B
Rationale: Simple squamous epithelium is thin, allowing rapid diffusion.
Question 4
The alveoli of the lungs are lined primarily by:
A. Simple cuboidal epithelium
B. Simple columnar epithelium
C. Simple squamous epithelium
D. Stratified squamous epithelium
Correct Answers >> C
Rationale: Thin simple squamous epithelium facilitates gas exchange.
Question 5
Which epithelial tissue provides protection against abrasion?
A. Simple squamous
B. Stratified squamous
C. Simple cuboidal
D. Transitional
Correct Answers >> B
Rationale: Stratified squamous epithelium has multiple layers for
protection.
https://www.stuvia.com/user/MBOFFIN
,Question 6
Which feature anchors epithelial tissue to underlying connective tissue?
A. Apical surface
B. Tight junctions
C. Basement membrane
D. Desmosomes
Correct Answers >> C
Rationale: The basement membrane secures epithelium to connective tissue.
Question 7
Which junction prevents substances from passing between cells?
A. Gap junction
B. Desmosome
C. Tight junction
D. Adherens junction
Correct Answers >> C
Rationale: Tight junctions form impermeable seals.
Question 8
Which epithelial tissue stretches to accommodate volume changes in the
bladder?
A. Simple cuboidal
B. Simple columnar
C. Stratified squamous
D. Transitional
Correct Answers >> D
Rationale: Transitional epithelium stretches and recoils.
https://www.stuvia.com/user/MBOFFIN
, Question 9
Which connective tissue type has the greatest tensile strength?
A. Areolar
B. Adipose
C. Dense regular
D. Reticular
Correct Answers >> C
Rationale: Dense regular connective tissue resists strong pulling forces.
Question 10
Which connective tissue stores fat and provides insulation?
A. Areolar
B. Dense irregular
C. Adipose
D. Hyaline cartilage
Correct Answers >> C
Rationale: Adipose tissue stores fat and insulates.
Question 11
Which connective tissue forms the structural framework of lymphoid
organs?
A. Elastic cartilage
B. Dense regular connective tissue
C. Reticular connective tissue
D. Fibrocartilage
Correct Answers >> C
Rationale: Reticular tissue forms scaffolding for lymphoid organs.
https://www.stuvia.com/user/MBOFFIN
