BIOS 256 WEEK 2 QUIZ EXAM 2
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the main function of the integumentary system?
A. Gas exchange
B. Protect the body and regulate temperature
C. Transport nutrients
D. Produce hormones
Correct Answer: B
Rationale: The skin and its appendages protect the body and help
regulate body temperature.
2. What is the outermost layer of the skin?
A. Dermis
B. Epidermis
C. Hypodermis
D. Subcutaneous layer
,Correct Answer: B
Rationale: The epidermis is the outer layer that provides a protective
barrier.
3. Which layer of the skin contains blood vessels and nerves?
A. Epidermis
B. Dermis
C. Hypodermis
D. Stratum corneum
Correct Answer: B
Rationale: The dermis houses blood vessels, nerves, hair follicles,
and glands.
4. What is the function of melanin?
A. Produce sweat
B. Protect against UV radiation
C. Lubricate skin
D. Absorb nutrients
Correct Answer: B
Rationale: Melanin pigment absorbs UV light, protecting deeper
tissues.
5. Which cells produce melanin?
,A. Keratinocytes
B. Melanocytes
C. Fibroblasts
D. Langerhans cells
Correct Answer: B
Rationale: Melanocytes synthesize melanin in the epidermis.
6. What is the function of sweat glands?
A. Produce sebum
B. Regulate temperature through perspiration
C. Protect against UV light
D. Produce melanin
Correct Answer: B
Rationale: Sweat glands secrete sweat, which cools the body via
evaporation.
7. What is the function of sebaceous glands?
A. Produce sweat
B. Produce oil to lubricate skin and hair
C. Produce melanin
D. Absorb nutrients
Correct Answer: B
Rationale: Sebaceous glands secrete sebum that keeps skin and hair
flexible.
, 8. Which structure anchors hair to the skin?
A. Hair follicle
B. Sebaceous gland
C. Sweat gland
D. Epidermis
Correct Answer: A
Rationale: Hair follicles are sacs in which hair grows and anchors
to skin.
9. What is the primary function of nails?
A. Protect fingertips and enhance sensation
B. Produce melanin
C. Secrete sweat
D. Lubricate skin
Correct Answer: A
Rationale: Nails protect fingertips and improve grip and sensation.
10. Which type of tissue forms the epidermis?
A. Connective tissue
B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue
(Latest Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A –
Chamberlain
1. What is the main function of the integumentary system?
A. Gas exchange
B. Protect the body and regulate temperature
C. Transport nutrients
D. Produce hormones
Correct Answer: B
Rationale: The skin and its appendages protect the body and help
regulate body temperature.
2. What is the outermost layer of the skin?
A. Dermis
B. Epidermis
C. Hypodermis
D. Subcutaneous layer
,Correct Answer: B
Rationale: The epidermis is the outer layer that provides a protective
barrier.
3. Which layer of the skin contains blood vessels and nerves?
A. Epidermis
B. Dermis
C. Hypodermis
D. Stratum corneum
Correct Answer: B
Rationale: The dermis houses blood vessels, nerves, hair follicles,
and glands.
4. What is the function of melanin?
A. Produce sweat
B. Protect against UV radiation
C. Lubricate skin
D. Absorb nutrients
Correct Answer: B
Rationale: Melanin pigment absorbs UV light, protecting deeper
tissues.
5. Which cells produce melanin?
,A. Keratinocytes
B. Melanocytes
C. Fibroblasts
D. Langerhans cells
Correct Answer: B
Rationale: Melanocytes synthesize melanin in the epidermis.
6. What is the function of sweat glands?
A. Produce sebum
B. Regulate temperature through perspiration
C. Protect against UV light
D. Produce melanin
Correct Answer: B
Rationale: Sweat glands secrete sweat, which cools the body via
evaporation.
7. What is the function of sebaceous glands?
A. Produce sweat
B. Produce oil to lubricate skin and hair
C. Produce melanin
D. Absorb nutrients
Correct Answer: B
Rationale: Sebaceous glands secrete sebum that keeps skin and hair
flexible.
, 8. Which structure anchors hair to the skin?
A. Hair follicle
B. Sebaceous gland
C. Sweat gland
D. Epidermis
Correct Answer: A
Rationale: Hair follicles are sacs in which hair grows and anchors
to skin.
9. What is the primary function of nails?
A. Protect fingertips and enhance sensation
B. Produce melanin
C. Secrete sweat
D. Lubricate skin
Correct Answer: A
Rationale: Nails protect fingertips and improve grip and sensation.
10. Which type of tissue forms the epidermis?
A. Connective tissue
B. Epithelial tissue
C. Muscle tissue
D. Nervous tissue
