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BSC 2085 EXAM 2 (UPDATED 2026) QUESTIONS &
ANSWERS | WITH 100% CORRECT ANSWERS GRADED A+
GUARANTEED SUCCESS!!
1. Which type of tissue covers body surfaces and lines body cavities?
A. Connective tissue
B. Muscle tissue
C. Epithelial tissue
D. Nervous tissue
Answer: C
Rationale: Epithelial tissue covers external and internal surfaces and
forms glands.
2. What is the primary function of simple squamous epithelium?
A. Protection from abrasion
B. Diffusion and filtration
C. Secretion of mucus only
D. Muscle contraction
Answer: B
Rationale: Simple squamous epithelium is thin, allowing rapid diffusion
and filtration, such as in alveoli and capillaries.
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3. Which connective tissue stores energy and provides insulation?
A. Dense regular connective tissue
B. Cartilage
C. Adipose tissue
D. Bone tissue
Answer: C
Rationale: Adipose tissue stores triglycerides and helps insulate the
body.
4. What protein gives connective tissue tensile strength?
A. Elastin
B. Keratin
C. Collagen
D. Actin
Answer: C
Rationale: Collagen fibers provide strength and resistance to stretching.
5. Which membrane lines body cavities that open to the exterior?
A. Serous membrane
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B. Synovial membrane
C. Cutaneous membrane
D. Mucous membrane
Answer: D
Rationale: Mucous membranes line the respiratory, digestive, urinary,
and reproductive tracts.
6. The epidermis is primarily composed of:
A. Simple cuboidal epithelium
B. Stratified squamous epithelium
C. Transitional epithelium
D. Simple columnar epithelium
Answer: B
Rationale: The epidermis consists of keratinized stratified squamous
epithelium.
7. Which epidermal layer undergoes continuous mitosis?
A. Stratum corneum
B. Stratum lucidum
C. Stratum basale
D. Stratum granulosum
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Answer: C
Rationale: Cells in the stratum basale divide to replace lost skin cells.
8. Melanocytes produce:
A. Keratin
B. Collagen
C. Melanin
D. Sebum
Answer: C
Rationale: Melanin helps protect skin from ultraviolet radiation.
9. Which skin layer contains blood vessels?
A. Epidermis
B. Stratum corneum
C. Dermis
D. Keratin layer only
Answer: C
Rationale: The dermis contains blood vessels, nerves, glands, and hair
follicles.
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BSC 2085 EXAM 2 (UPDATED 2026) QUESTIONS &
ANSWERS | WITH 100% CORRECT ANSWERS GRADED A+
GUARANTEED SUCCESS!!
1. Which type of tissue covers body surfaces and lines body cavities?
A. Connective tissue
B. Muscle tissue
C. Epithelial tissue
D. Nervous tissue
Answer: C
Rationale: Epithelial tissue covers external and internal surfaces and
forms glands.
2. What is the primary function of simple squamous epithelium?
A. Protection from abrasion
B. Diffusion and filtration
C. Secretion of mucus only
D. Muscle contraction
Answer: B
Rationale: Simple squamous epithelium is thin, allowing rapid diffusion
and filtration, such as in alveoli and capillaries.
pg. 1
,2|Page
3. Which connective tissue stores energy and provides insulation?
A. Dense regular connective tissue
B. Cartilage
C. Adipose tissue
D. Bone tissue
Answer: C
Rationale: Adipose tissue stores triglycerides and helps insulate the
body.
4. What protein gives connective tissue tensile strength?
A. Elastin
B. Keratin
C. Collagen
D. Actin
Answer: C
Rationale: Collagen fibers provide strength and resistance to stretching.
5. Which membrane lines body cavities that open to the exterior?
A. Serous membrane
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,3|Page
B. Synovial membrane
C. Cutaneous membrane
D. Mucous membrane
Answer: D
Rationale: Mucous membranes line the respiratory, digestive, urinary,
and reproductive tracts.
6. The epidermis is primarily composed of:
A. Simple cuboidal epithelium
B. Stratified squamous epithelium
C. Transitional epithelium
D. Simple columnar epithelium
Answer: B
Rationale: The epidermis consists of keratinized stratified squamous
epithelium.
7. Which epidermal layer undergoes continuous mitosis?
A. Stratum corneum
B. Stratum lucidum
C. Stratum basale
D. Stratum granulosum
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Answer: C
Rationale: Cells in the stratum basale divide to replace lost skin cells.
8. Melanocytes produce:
A. Keratin
B. Collagen
C. Melanin
D. Sebum
Answer: C
Rationale: Melanin helps protect skin from ultraviolet radiation.
9. Which skin layer contains blood vessels?
A. Epidermis
B. Stratum corneum
C. Dermis
D. Keratin layer only
Answer: C
Rationale: The dermis contains blood vessels, nerves, glands, and hair
follicles.
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