ANATOMY & PHYSIOLOGY-CH.4: SKIN
AND BODY MEMBRANES EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
1. Protection in preventing water loss, cushions, & insulates.
2. Regulates body temperature through sweating.
3. Excretion through sweating
4. Vitamin D synthesis.
5. Detects pain, pressure, & temperature through sensory receptors.
*List and explain the five functions of the integumentary system.
The ABCD rule is used to describe the appearance of skin cancer.
(A) Asymmetry: the two sides of the pigmented spot or mole do not match.
(B) Border irregularity: the borders of the lesion are not smooth but exhibit indentations.
(C) Color: the pigmented spot contains areas of different colors (blacks, browns, tans, &
sometimes blues & red.
(D) Diameter: the spot is larger than 6 mm in diameter (the size of a pencil eraser).
*List and explain the ABCD rule for recognizing melanoma.
Meissner's corpuscles
Sensitive touch receptors in the dermal layer of the skin are called __________.
exocrine glands
Cutaneous glands are all ___________ because they release their secretions to the skin surface
via ducts.
sebaceous glands and sweat glands
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, Two types of exocrine glands are: __________.
lucidum
The skin that covers the palms of the hands and the soles of the feet has an extra layer of
epidermis called the stratum ____________.
reticular and papillary layers
What are the two distinctive layers of the dermis?
lunula
The white crescent area located over the nail matrix is called the ____________.
vernix caseosa
The white, cheesy-looking substance that is produced by the sebaceous glands and protects a
baby's skin while it is floating in its water-filled sac inside the mother is called __________.
arrector pili
Smooth muscles attached to hair follicles that cause "goose bumps" to appear on the skin when
contracted are called ___________.
second
The type of burn that involves injury to the epidermis and the upper region of the dermis and is
red, blistered, and painful is termed as a ___________ degree burn.
mucous, cutaneous, and serous membranes
The three categories of epithelial tissue membranes are: ____________.
lining of the stomach cavity
Mucous membranes are located in the ____________.
adipose tissue
The hypodermis consists of ______________, which is responsible for shock absorption and
insulation.
stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
(germinativum)
What is the correct sequence in layers of the epidermis going from outermost to innermost
layer?
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
AND BODY MEMBRANES EXAM
QUESTIONS AND ANSWERS GRADED A+
2025/2026
1. Protection in preventing water loss, cushions, & insulates.
2. Regulates body temperature through sweating.
3. Excretion through sweating
4. Vitamin D synthesis.
5. Detects pain, pressure, & temperature through sensory receptors.
*List and explain the five functions of the integumentary system.
The ABCD rule is used to describe the appearance of skin cancer.
(A) Asymmetry: the two sides of the pigmented spot or mole do not match.
(B) Border irregularity: the borders of the lesion are not smooth but exhibit indentations.
(C) Color: the pigmented spot contains areas of different colors (blacks, browns, tans, &
sometimes blues & red.
(D) Diameter: the spot is larger than 6 mm in diameter (the size of a pencil eraser).
*List and explain the ABCD rule for recognizing melanoma.
Meissner's corpuscles
Sensitive touch receptors in the dermal layer of the skin are called __________.
exocrine glands
Cutaneous glands are all ___________ because they release their secretions to the skin surface
via ducts.
sebaceous glands and sweat glands
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Two types of exocrine glands are: __________.
lucidum
The skin that covers the palms of the hands and the soles of the feet has an extra layer of
epidermis called the stratum ____________.
reticular and papillary layers
What are the two distinctive layers of the dermis?
lunula
The white crescent area located over the nail matrix is called the ____________.
vernix caseosa
The white, cheesy-looking substance that is produced by the sebaceous glands and protects a
baby's skin while it is floating in its water-filled sac inside the mother is called __________.
arrector pili
Smooth muscles attached to hair follicles that cause "goose bumps" to appear on the skin when
contracted are called ___________.
second
The type of burn that involves injury to the epidermis and the upper region of the dermis and is
red, blistered, and painful is termed as a ___________ degree burn.
mucous, cutaneous, and serous membranes
The three categories of epithelial tissue membranes are: ____________.
lining of the stomach cavity
Mucous membranes are located in the ____________.
adipose tissue
The hypodermis consists of ______________, which is responsible for shock absorption and
insulation.
stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
(germinativum)
What is the correct sequence in layers of the epidermis going from outermost to innermost
layer?
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
