Chamberlain University School of
Nursing BIOS 251 Exam 3
Which of the following is not part of the integumentary system?
A. Epidermis
B. Cornea
C. Dermis
D. Hair
E. Sebaceous glands - answerB. Cornea
Which of the following is not a function of the integumentary system?
A. Detection of touch
B. Nonverbal communication
C. Synthesis of vitamin K
D. Protecting underlying tissues
E. Thermoregulation - answerC. Synthesis of vitamin K
What is the epidermis composed of?
A. Connective tissue
B. Nonkeratinized squamous epithelium
C. Papillary tissue
D. Keratinized squamous epithelium - answerD. Keratinized squamous epithelium
Which skin layer is avascular?
A. Connective tissue
B. Epidermis
C. Hypodermis
D. Dermis - answerB. Epidermis
The cells of which epidermal layer contain the pale protein called eleidin?
A. Stratum spinosum
B. Stratum basale
C. Stratum lucidum
D. Stratum corneum
E. Stratum granulosum - answerC. Stratum lucidum
Which epidermal layer contains Langerhans cells that function as macrophages
engulfing bacteria and foreign particles?
A. Stratum spinosum
B. Stratum granulosum
C. Stratum basale
,D. Stratum corneum
E. Stratum lucidum - answerA. Stratum spinosum
Receptors in the skin related to cold, pressure, pain, and vibration are related to which
function?
A. UV protection
B. Barrier to infection
C. Protection
D. Sensation
E. Vitamin D synthesis - answerD. Sensation
Which of the following does not contribute to skin pigmentation?
A. Carotene
B. Eumelanin
C. Keratin
D. Hemoglobin - answerC. Keratin
Evaporation of water from the skin is a function of protection from
A. abrasions
B. thermoregulation
C. strengthening the bones
D. protection from UV light
E. expressiveness - answerB. thermoregulation
Which of the following protects the skin against infection by microbes? Select all that
apply.
A. Acid mantle
B. Dryness
C. Nerve endings
D. Vitamin D
E. Antimicrobial peptides - answerA. Acid mantle
B. Dryness
E. Antimicrobial peptides
A patient experienced a sharp pain when they fell off the skateboard, injuring the palms
of their hands. This ability to feel pain is a function of which system?
A. Cardiovascular system
B. Proprioception
C. Endocrine system
D. Integumentary system
E. Respiratory system - answerD. Integumentary system
Which statements describe the functions and structures of the skin? Select all that
apply.
A. Collagen is the strongest fiber in the skin.
B. Epidermal ridges combined with sweat and oil create fingerprints.
, C. Blood vessels in the dermis supply the epidermis with nutrients.
D. The reticular layer promotes stretching of the skin.
E. The papillary layer is the strongest portion of the dermis. - answerA. Collagen is the
strongest fiber in the skin.
B. Epidermal ridges combined with sweat and oil create fingerprints.
C. Blood vessels in the dermis supply the epidermis with nutrients.
E. The papillary layer is the strongest portion of the dermis.
Why are areas of the heel and adipose in the subcutaneous layer often yellowish-
orange?
A. The pigment carotene is stored there.
B. The pigment hemoglobin is stored there.
C. The pigment eumelanin is stored there.
D. The pigment keratin is stored there. - answerA. The pigment carotene is stored there.
In which layer would a subcutaneous injection be administered?
A. Stratum basale
B. Stratum spinosum
C. Hypodermis
D. Dermis
E. Stratum corneum - answerC. Hypodermis
Which of the following contributes to the color of the skin? Select all that apply.
A. Hemoglobin
B. Melanin
C. Collagen
D. Carotene
E. Keratin - answerA. Hemoglobin
B. Melanin
D. Carotene
In which layer of the epidermis are the youngest keratinocytes located?
A. Stratum granulosum
B. Stratum basale
C. Stratum lucidum
D. Stratum spinosum
E. Stratum corneum - answerB. Stratum basale
Which cells have an immunological function?
A. Merkel cells
B. Melanocytes
C. Keratinocytes
D. Langerhans cells - answerD. Langerhans cells
What gives the dermis tensile strength? Select all that apply.
A. Fibroclasts
Nursing BIOS 251 Exam 3
Which of the following is not part of the integumentary system?
A. Epidermis
B. Cornea
C. Dermis
D. Hair
E. Sebaceous glands - answerB. Cornea
Which of the following is not a function of the integumentary system?
A. Detection of touch
B. Nonverbal communication
C. Synthesis of vitamin K
D. Protecting underlying tissues
E. Thermoregulation - answerC. Synthesis of vitamin K
What is the epidermis composed of?
A. Connective tissue
B. Nonkeratinized squamous epithelium
C. Papillary tissue
D. Keratinized squamous epithelium - answerD. Keratinized squamous epithelium
Which skin layer is avascular?
A. Connective tissue
B. Epidermis
C. Hypodermis
D. Dermis - answerB. Epidermis
The cells of which epidermal layer contain the pale protein called eleidin?
A. Stratum spinosum
B. Stratum basale
C. Stratum lucidum
D. Stratum corneum
E. Stratum granulosum - answerC. Stratum lucidum
Which epidermal layer contains Langerhans cells that function as macrophages
engulfing bacteria and foreign particles?
A. Stratum spinosum
B. Stratum granulosum
C. Stratum basale
,D. Stratum corneum
E. Stratum lucidum - answerA. Stratum spinosum
Receptors in the skin related to cold, pressure, pain, and vibration are related to which
function?
A. UV protection
B. Barrier to infection
C. Protection
D. Sensation
E. Vitamin D synthesis - answerD. Sensation
Which of the following does not contribute to skin pigmentation?
A. Carotene
B. Eumelanin
C. Keratin
D. Hemoglobin - answerC. Keratin
Evaporation of water from the skin is a function of protection from
A. abrasions
B. thermoregulation
C. strengthening the bones
D. protection from UV light
E. expressiveness - answerB. thermoregulation
Which of the following protects the skin against infection by microbes? Select all that
apply.
A. Acid mantle
B. Dryness
C. Nerve endings
D. Vitamin D
E. Antimicrobial peptides - answerA. Acid mantle
B. Dryness
E. Antimicrobial peptides
A patient experienced a sharp pain when they fell off the skateboard, injuring the palms
of their hands. This ability to feel pain is a function of which system?
A. Cardiovascular system
B. Proprioception
C. Endocrine system
D. Integumentary system
E. Respiratory system - answerD. Integumentary system
Which statements describe the functions and structures of the skin? Select all that
apply.
A. Collagen is the strongest fiber in the skin.
B. Epidermal ridges combined with sweat and oil create fingerprints.
, C. Blood vessels in the dermis supply the epidermis with nutrients.
D. The reticular layer promotes stretching of the skin.
E. The papillary layer is the strongest portion of the dermis. - answerA. Collagen is the
strongest fiber in the skin.
B. Epidermal ridges combined with sweat and oil create fingerprints.
C. Blood vessels in the dermis supply the epidermis with nutrients.
E. The papillary layer is the strongest portion of the dermis.
Why are areas of the heel and adipose in the subcutaneous layer often yellowish-
orange?
A. The pigment carotene is stored there.
B. The pigment hemoglobin is stored there.
C. The pigment eumelanin is stored there.
D. The pigment keratin is stored there. - answerA. The pigment carotene is stored there.
In which layer would a subcutaneous injection be administered?
A. Stratum basale
B. Stratum spinosum
C. Hypodermis
D. Dermis
E. Stratum corneum - answerC. Hypodermis
Which of the following contributes to the color of the skin? Select all that apply.
A. Hemoglobin
B. Melanin
C. Collagen
D. Carotene
E. Keratin - answerA. Hemoglobin
B. Melanin
D. Carotene
In which layer of the epidermis are the youngest keratinocytes located?
A. Stratum granulosum
B. Stratum basale
C. Stratum lucidum
D. Stratum spinosum
E. Stratum corneum - answerB. Stratum basale
Which cells have an immunological function?
A. Merkel cells
B. Melanocytes
C. Keratinocytes
D. Langerhans cells - answerD. Langerhans cells
What gives the dermis tensile strength? Select all that apply.
A. Fibroclasts
