1|Page
BIOS 251 Week 5 LAB Integumentary System Fall
2026
Which of the following is not part of the integumentary system?
Dermis
Epidermis
Hair
Cornea
Sebaceous glands - ANSWER -Cornea
Which of the following is not a function of the integumentary system?
Protecting underlying tissues
Detection of touch
Synthesis of vitamin K
Thermoregulation
Nonverbal communication - ANSWER -Synthesis of vitamin K
What is the epidermis composed of?
Nonkeratinized squamous epithelium
Connective tissue
Keratinized squamous epithelium
Papillary tissue - ANSWER -Keratinized squamous epithelium
pg. 1
, 2|Page
Which skin layer is avascular?
Dermis
Epidermis
Hypodermis
Connective tissue - ANSWER -Epidermis
The cells of which epidermal layer contain the pale protein called
eleidin?
Stratum lucidum
Stratum basale
Stratum granulosum
Stratum spinosum
Stratum corneum - ANSWER -Stratum lucidum
Which epidermal layer contains Langerhans cells that function as
macrophages engulfing bacteria and foreign particles?
Stratum basale
Stratum spinosum
Stratum granulosum
Stratum corneum
Stratum lucidum - ANSWER -Stratum granulosum
pg. 2
BIOS 251 Week 5 LAB Integumentary System Fall
2026
Which of the following is not part of the integumentary system?
Dermis
Epidermis
Hair
Cornea
Sebaceous glands - ANSWER -Cornea
Which of the following is not a function of the integumentary system?
Protecting underlying tissues
Detection of touch
Synthesis of vitamin K
Thermoregulation
Nonverbal communication - ANSWER -Synthesis of vitamin K
What is the epidermis composed of?
Nonkeratinized squamous epithelium
Connective tissue
Keratinized squamous epithelium
Papillary tissue - ANSWER -Keratinized squamous epithelium
pg. 1
, 2|Page
Which skin layer is avascular?
Dermis
Epidermis
Hypodermis
Connective tissue - ANSWER -Epidermis
The cells of which epidermal layer contain the pale protein called
eleidin?
Stratum lucidum
Stratum basale
Stratum granulosum
Stratum spinosum
Stratum corneum - ANSWER -Stratum lucidum
Which epidermal layer contains Langerhans cells that function as
macrophages engulfing bacteria and foreign particles?
Stratum basale
Stratum spinosum
Stratum granulosum
Stratum corneum
Stratum lucidum - ANSWER -Stratum granulosum
pg. 2
