GALEN COLLEGE OF NURSING
NSG 100 Exam 3
Practice Question Bank
Fundamentals of Nursing — NCLEX-Style Practice Questions with
Rationales
Comprehensive Review: Skin Integrity, Wound Healing, Nutrition & More
Edition 1 · July 2026
Table of Contents
1. Instructions for Use 2
2. Practice Questions with Answers & Rationales 2
NSG 100 · Galen College of Nursing Page 1
,NSG 100 EXAM 3 PRACTICE GUIDE INSTRUCTIONS & PRACTICE QUESTIONS
How to Use This Guide
Read each stem, choose your answer, then check the rationale directly below it. The correct
option is marked, and each wrong option is explained so you understand why it's wrong — not
just that it is.
Category: Fundamentals of Nursing — Skin Integrity, Wound Healing &
Nutrition
1 Which of the following is a function of the skin?
A Protects underlying tissues from invasion by microorganisms and trauma; enables
perception of touch, pain, pressure, heat, and cold; assists in regulating temperature;
synthesizes vitamin D from UV light
B Only regulates body temperature
C Only synthesizes vitamin D
D Only provides protection
Why A is correct: The skin has multiple functions including protection, sensation,
temperature regulation, and vitamin D synthesis.
B — This is only one function.
C — This is only one function.
D — This is only one function.
,2 The epidermis is:
A The outermost layer of skin, consisting of epithelial cells and melanocytes
B The middle layer of skin, composed of connective tissue rich in collagen and elastin
C The deepest layer of skin, composed mainly of adipose tissue
D A layer that contains most hair follicles and sweat glands
Why A is correct: The epidermis is the outermost layer consisting of epithelial cells and
melanocytes.
B — This describes the dermis.
C — This describes the subcutaneous layer.
D — This describes the dermis.
3 The dermis is:
A The outermost layer of skin
B The middle layer of skin, composed mainly of connective tissue rich in collagen and
elastin; stores water, regulates temperature, produces vitamin D, cushions the body,
and supplies blood to the epidermis
C The deepest layer of skin, composed mainly of adipose tissue
D A layer that contains only epithelial cells
Why B is correct: The dermis is the middle layer composed of connective tissue with
collagen and elastin, with multiple functions.
A — This describes the epidermis.
C — This describes the subcutaneous layer.
D — The dermis contains more than epithelial cells.
, 4 The subcutaneous layer (hypodermis) is:
A The outermost layer of skin
B The middle layer of skin
C The third layer of skin, composed mainly of adipose (fatty) tissues and collagen-rich
connective tissues; separates muscle from skin, stores fat, and conserves body heat
D A layer that contains melanocytes
Why C is correct: The subcutaneous layer is composed mainly of adipose tissue, separates
muscle from skin, stores fat, and conserves heat.
A — This describes the epidermis.
B — This describes the dermis.
D — Melanocytes are in the epidermis.
5 Infectious skin disorders are caused by:
A Bacterial, fungal, viral, or parasitic agents (e.g., impetigo, athlete's foot, chickenpox,
lice)
B Pathologies such as acne, burns, and dermatitis
C Skin cancers such as melanoma
D Only bacterial infections
Why A is correct: Infectious skin disorders are caused by bacterial, fungal, viral, or parasitic
agents.
B — These are inflammatory skin disorders.
C — These are neoplastic skin disorders.
D — This is incomplete.
NSG 100 Exam 3
Practice Question Bank
Fundamentals of Nursing — NCLEX-Style Practice Questions with
Rationales
Comprehensive Review: Skin Integrity, Wound Healing, Nutrition & More
Edition 1 · July 2026
Table of Contents
1. Instructions for Use 2
2. Practice Questions with Answers & Rationales 2
NSG 100 · Galen College of Nursing Page 1
,NSG 100 EXAM 3 PRACTICE GUIDE INSTRUCTIONS & PRACTICE QUESTIONS
How to Use This Guide
Read each stem, choose your answer, then check the rationale directly below it. The correct
option is marked, and each wrong option is explained so you understand why it's wrong — not
just that it is.
Category: Fundamentals of Nursing — Skin Integrity, Wound Healing &
Nutrition
1 Which of the following is a function of the skin?
A Protects underlying tissues from invasion by microorganisms and trauma; enables
perception of touch, pain, pressure, heat, and cold; assists in regulating temperature;
synthesizes vitamin D from UV light
B Only regulates body temperature
C Only synthesizes vitamin D
D Only provides protection
Why A is correct: The skin has multiple functions including protection, sensation,
temperature regulation, and vitamin D synthesis.
B — This is only one function.
C — This is only one function.
D — This is only one function.
,2 The epidermis is:
A The outermost layer of skin, consisting of epithelial cells and melanocytes
B The middle layer of skin, composed of connective tissue rich in collagen and elastin
C The deepest layer of skin, composed mainly of adipose tissue
D A layer that contains most hair follicles and sweat glands
Why A is correct: The epidermis is the outermost layer consisting of epithelial cells and
melanocytes.
B — This describes the dermis.
C — This describes the subcutaneous layer.
D — This describes the dermis.
3 The dermis is:
A The outermost layer of skin
B The middle layer of skin, composed mainly of connective tissue rich in collagen and
elastin; stores water, regulates temperature, produces vitamin D, cushions the body,
and supplies blood to the epidermis
C The deepest layer of skin, composed mainly of adipose tissue
D A layer that contains only epithelial cells
Why B is correct: The dermis is the middle layer composed of connective tissue with
collagen and elastin, with multiple functions.
A — This describes the epidermis.
C — This describes the subcutaneous layer.
D — The dermis contains more than epithelial cells.
, 4 The subcutaneous layer (hypodermis) is:
A The outermost layer of skin
B The middle layer of skin
C The third layer of skin, composed mainly of adipose (fatty) tissues and collagen-rich
connective tissues; separates muscle from skin, stores fat, and conserves body heat
D A layer that contains melanocytes
Why C is correct: The subcutaneous layer is composed mainly of adipose tissue, separates
muscle from skin, stores fat, and conserves heat.
A — This describes the epidermis.
B — This describes the dermis.
D — Melanocytes are in the epidermis.
5 Infectious skin disorders are caused by:
A Bacterial, fungal, viral, or parasitic agents (e.g., impetigo, athlete's foot, chickenpox,
lice)
B Pathologies such as acne, burns, and dermatitis
C Skin cancers such as melanoma
D Only bacterial infections
Why A is correct: Infectious skin disorders are caused by bacterial, fungal, viral, or parasitic
agents.
B — These are inflammatory skin disorders.
C — These are neoplastic skin disorders.
D — This is incomplete.
