NUR 311
NUR 311 ~ Chapter 11: Skin, Hair, and
Nails Assessment Exam 2025
integumentary system -Correct Answers ✔-- skin
- hair
- nails
- sweat glands
skin -Correct Answers ✔-- composed of 3 layers
1. epidermis
2. dermis
3. subcutaneous layer
epidermis -Correct Answers ✔-- outermost skin layer
- serves as the body's first line of defense against pathogens, chemical irritants, and
moisture loss
- 95% keratinocytes, but also contains melanocytes
*two types of melanin: eumelanin and pheomelanin
- contains specialized cells responsible for perception of pain, light touch,
vibration, and temperature as well as detection of foreign antigens
dermis -Correct Answers ✔-- second skin layer
- supports the epidermis
NUR 311
, NUR 311
- contains blood vessels, nerves, sebaceous glands, lymphatic vessels, hair follicles,
an sweat glands, which support the nutritional needs and protective function of the
epidermis
- two layers: papillary (facilitating exchange of oxygen, nutrients, and waste
products) and reticular (composed of collagen and elastin; provides the resilience,
distensibility, elasticity, and turgor of the skin
subcutaneous layer -Correct Answers ✔-- provides insulation, storage of caloric
reserves, and cushioning against external forces; contributes to mobility
- composed mainly of fat and loose connective tissue
hair -Correct Answers ✔-- an appendage to the skin
- protects various body areas from debris and invasion, provides insulation, enables
the conduit of sensory stimulation to the nervous system, and contributes to gender
identification
- vellus hair (fine, short, hyperpigmented, and located all over the body); terminal
hair (darker and coarser than vellus hair; varies in length and is found on the scalp,
brows, and eyelids)
the shape of the hair shaft -Correct Answers ✔-- determines the curliness of hair
the amount and proportion of eumelanin and phoemelanin -Correct Answers ✔--
influences hair color
nails -Correct Answers ✔-- epidermal appendages that arise from a nail matrix in
the epidermal layer, near the distal portions of each finger and toe
- lateral folds: on each side
NUR 311
NUR 311 ~ Chapter 11: Skin, Hair, and
Nails Assessment Exam 2025
integumentary system -Correct Answers ✔-- skin
- hair
- nails
- sweat glands
skin -Correct Answers ✔-- composed of 3 layers
1. epidermis
2. dermis
3. subcutaneous layer
epidermis -Correct Answers ✔-- outermost skin layer
- serves as the body's first line of defense against pathogens, chemical irritants, and
moisture loss
- 95% keratinocytes, but also contains melanocytes
*two types of melanin: eumelanin and pheomelanin
- contains specialized cells responsible for perception of pain, light touch,
vibration, and temperature as well as detection of foreign antigens
dermis -Correct Answers ✔-- second skin layer
- supports the epidermis
NUR 311
, NUR 311
- contains blood vessels, nerves, sebaceous glands, lymphatic vessels, hair follicles,
an sweat glands, which support the nutritional needs and protective function of the
epidermis
- two layers: papillary (facilitating exchange of oxygen, nutrients, and waste
products) and reticular (composed of collagen and elastin; provides the resilience,
distensibility, elasticity, and turgor of the skin
subcutaneous layer -Correct Answers ✔-- provides insulation, storage of caloric
reserves, and cushioning against external forces; contributes to mobility
- composed mainly of fat and loose connective tissue
hair -Correct Answers ✔-- an appendage to the skin
- protects various body areas from debris and invasion, provides insulation, enables
the conduit of sensory stimulation to the nervous system, and contributes to gender
identification
- vellus hair (fine, short, hyperpigmented, and located all over the body); terminal
hair (darker and coarser than vellus hair; varies in length and is found on the scalp,
brows, and eyelids)
the shape of the hair shaft -Correct Answers ✔-- determines the curliness of hair
the amount and proportion of eumelanin and phoemelanin -Correct Answers ✔--
influences hair color
nails -Correct Answers ✔-- epidermal appendages that arise from a nail matrix in
the epidermal layer, near the distal portions of each finger and toe
- lateral folds: on each side
NUR 311
