BIOL251 Human Anatomy & Physiology
I w/Lab | Module 7 Exam Review: 200+
Questions & Verified Answers on the
Integumentary System, Cellular
Neuroscience, & Peripheral Nervous
System ||Already Graded A+
Integumentary System
Q1: What are the three major layers of the skin from outermost to
deepest?
Answer: Epidermis, Dermis, Hypodermis (subcutaneous layer)
Q2: Hair is made up of:
Answer: Dead epidermal cells converted to keratin
Q3: Nails are hard, dead cells which have been converted to _____
Answer: Keratin
Q4: What are the 4 layers of the epidermis in thin skin?
Answer: Stratum corneum, Stratum granulosum, Stratum spinosum,
Stratum basale
Q5: Which of the following is TRUE regarding the epidermis?
A. It is highly vascular
B. It is comprised of five distinct layers
C. The basement membrane contains its blood supply
D. Epidermal ridges change throughout a person's lifetime
Answer: C. The basement membrane contains its blood supply
Q6: The most superficial region of the dermis is:
A. Reticular layer
B. Papillary layer
,C. Basement membrane
D. Subcutaneous layer
Answer: B. Papillary layer
Q7: What are the 2 layers of the dermis? Which layer contains the
main blood supply for the skin?
Answer: Papillary and Reticular; the Reticular region contains the main
blood supply
Q8: The hypodermis is comprised mainly of:
A. Adipocytes
B. Reticular Cells
C. Dermatomes
D. Sebaceous Glands
Answer: A. Adipocytes
Q9: These types of cells produce keratin:
A. Melanocytes
B. Keratinocytes
C. Fibroblasts
D. Mast Cells
Answer: B. Keratinocytes
Q10: These types of cells produce melanin:
A. Keratinocytes
B. Fibroblasts
C. Melanocytes
D. Macrophages
Answer: C. Melanocytes
Q11: Merkel cells are embedded in which layer of the epidermis?
A. Stratum corneum
B. Stratum basale
C. Stratum spinosum
D. Stratum granulosum
Answer: B. Stratum basale
Q12: Epidermal ridges form which of the following?
A. Hair follicles
,B. Fingerprints
C. Sweat glands
D. Nails
Answer: B. Fingerprints
Q13: Match the cell type with its function:
A. Keratinocytes → 1. Produces a protein to protect the skin
B. Fibroblasts → 2. Produces collagen
C. Melanocytes → 3. Produces a pigment that absorbs UV rays (melanin)
D. Langerhans Cells → 4. Assists in immune response
Answer: A→1, B→2, C→3, D→4
Q14: What is the name and function of the arrector pili muscle?
Answer: The arrector pili muscle contracts when the body is cold or
experiences emotional response, causing hair to stand up (goosebumps)
Q15: Each hair follicle is connected to a muscle called:
A. Arrector pili muscle
B. Orbicularis muscle
C. Smooth dermal muscle
D. Sebaceous muscle
Answer: A. Arrector pili muscle
Q16: What is a contusion?
A. Third degree burn
B. Infection in the epidermis
C. Damage to a broken blood vessel
D. Subcutaneous injection
Answer: C. Damage to a broken blood vessel
Q17: What substance accumulates from the blood to form a clot?
A. White blood cells
B. Red blood cells
C. Platelets
D. Macrophages
Answer: C. Platelets
, Q18: First-degree burn (superficial burn); it only causes damage to
which layer?
Answer: Epidermis
Q19: Your patient was injured in a cooking accident. The burn
damaged the entire epidermis, dermis, and slightly into the
subcutaneous layer. What degree of burn best describes your
patient's injury? Would your patient experience pain in the injured
area? Why or why not?
Answer: Third-degree burn. Yes, pain would be experienced because
sensory receptors are still intact
Q20: Your patient was injured in a house fire. The skin sustained
damage through the epidermis, dermis, hypodermis, and some
muscle tissue. What degree of burn best describes your patient's
injury? Would your patient experience pain in the injured area? Why
or why not?
Answer: Fourth-degree burn. No, because the nerve endings are
destroyed, there is no sensation in the affected burn area
Q21: Why would a person receive a skin graft?
Answer: A person would need a skin graft because the skin is too
damaged for repair. Grafting skin from a healthy portion of the person's
skin helps the wound heal and prevents infection
Q22: All of the following are functions of skin EXCEPT:
A. Absorb UV rays
B. Thermoregulation
C. Perspiration
D. Produce Vitamin C
Answer: D. Produce Vitamin C
Q23: Information from a dermatome travels to:
A. Brain
B. Spinal cord
C. Gland
D. Skin
Answer: A. Brain
I w/Lab | Module 7 Exam Review: 200+
Questions & Verified Answers on the
Integumentary System, Cellular
Neuroscience, & Peripheral Nervous
System ||Already Graded A+
Integumentary System
Q1: What are the three major layers of the skin from outermost to
deepest?
Answer: Epidermis, Dermis, Hypodermis (subcutaneous layer)
Q2: Hair is made up of:
Answer: Dead epidermal cells converted to keratin
Q3: Nails are hard, dead cells which have been converted to _____
Answer: Keratin
Q4: What are the 4 layers of the epidermis in thin skin?
Answer: Stratum corneum, Stratum granulosum, Stratum spinosum,
Stratum basale
Q5: Which of the following is TRUE regarding the epidermis?
A. It is highly vascular
B. It is comprised of five distinct layers
C. The basement membrane contains its blood supply
D. Epidermal ridges change throughout a person's lifetime
Answer: C. The basement membrane contains its blood supply
Q6: The most superficial region of the dermis is:
A. Reticular layer
B. Papillary layer
,C. Basement membrane
D. Subcutaneous layer
Answer: B. Papillary layer
Q7: What are the 2 layers of the dermis? Which layer contains the
main blood supply for the skin?
Answer: Papillary and Reticular; the Reticular region contains the main
blood supply
Q8: The hypodermis is comprised mainly of:
A. Adipocytes
B. Reticular Cells
C. Dermatomes
D. Sebaceous Glands
Answer: A. Adipocytes
Q9: These types of cells produce keratin:
A. Melanocytes
B. Keratinocytes
C. Fibroblasts
D. Mast Cells
Answer: B. Keratinocytes
Q10: These types of cells produce melanin:
A. Keratinocytes
B. Fibroblasts
C. Melanocytes
D. Macrophages
Answer: C. Melanocytes
Q11: Merkel cells are embedded in which layer of the epidermis?
A. Stratum corneum
B. Stratum basale
C. Stratum spinosum
D. Stratum granulosum
Answer: B. Stratum basale
Q12: Epidermal ridges form which of the following?
A. Hair follicles
,B. Fingerprints
C. Sweat glands
D. Nails
Answer: B. Fingerprints
Q13: Match the cell type with its function:
A. Keratinocytes → 1. Produces a protein to protect the skin
B. Fibroblasts → 2. Produces collagen
C. Melanocytes → 3. Produces a pigment that absorbs UV rays (melanin)
D. Langerhans Cells → 4. Assists in immune response
Answer: A→1, B→2, C→3, D→4
Q14: What is the name and function of the arrector pili muscle?
Answer: The arrector pili muscle contracts when the body is cold or
experiences emotional response, causing hair to stand up (goosebumps)
Q15: Each hair follicle is connected to a muscle called:
A. Arrector pili muscle
B. Orbicularis muscle
C. Smooth dermal muscle
D. Sebaceous muscle
Answer: A. Arrector pili muscle
Q16: What is a contusion?
A. Third degree burn
B. Infection in the epidermis
C. Damage to a broken blood vessel
D. Subcutaneous injection
Answer: C. Damage to a broken blood vessel
Q17: What substance accumulates from the blood to form a clot?
A. White blood cells
B. Red blood cells
C. Platelets
D. Macrophages
Answer: C. Platelets
, Q18: First-degree burn (superficial burn); it only causes damage to
which layer?
Answer: Epidermis
Q19: Your patient was injured in a cooking accident. The burn
damaged the entire epidermis, dermis, and slightly into the
subcutaneous layer. What degree of burn best describes your
patient's injury? Would your patient experience pain in the injured
area? Why or why not?
Answer: Third-degree burn. Yes, pain would be experienced because
sensory receptors are still intact
Q20: Your patient was injured in a house fire. The skin sustained
damage through the epidermis, dermis, hypodermis, and some
muscle tissue. What degree of burn best describes your patient's
injury? Would your patient experience pain in the injured area? Why
or why not?
Answer: Fourth-degree burn. No, because the nerve endings are
destroyed, there is no sensation in the affected burn area
Q21: Why would a person receive a skin graft?
Answer: A person would need a skin graft because the skin is too
damaged for repair. Grafting skin from a healthy portion of the person's
skin helps the wound heal and prevents infection
Q22: All of the following are functions of skin EXCEPT:
A. Absorb UV rays
B. Thermoregulation
C. Perspiration
D. Produce Vitamin C
Answer: D. Produce Vitamin C
Q23: Information from a dermatome travels to:
A. Brain
B. Spinal cord
C. Gland
D. Skin
Answer: A. Brain
