NSG 100 Exam 3 Questions with Answers (100% Correct
Answers)
Functions of the Skin— Answer: 1. protects underlying tissues from
invasion by microorganisms and from trauma
2. nerves in skin enable the perception of touch, pain, pressure, heat
and cold
3. assists in regulating temperature
4. supplements the body's intake of vitamin D by synthesizing this
vitamin from UV light
epidermis— Answer: outermost layer of skin
-consists of epithelial cells and melanocytes
dermis— Answer: middle layer of skin
- thick layer composed mainly of connective tissue rich in collage and
elastin
-stores water, regulates body temperature and production of vitamin
D, cushions the body, and supplies blood to epidermis
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,2
-this layer is richly supplied with blood cells, nerve fibers, and
lymphatic vessels
-most hair follicles, sebaceous and sweat glands
subcutaneous layer— Answer: "hypodermis"
3rd layer of skin
composed of mainly adipose (fatty) tissues and collage-rich connective
tissues
-separates muscle from skin, stores fat, and conserves body heat
infectious skin disorders— Answer: Caused by bacterial, fungal, viral,
or parasitic agents. Examples include impetigo (bacterial), athlete's foot
(fungal), chickenpox (viral), and lice (parasitic).
inflammatory skin disorders— Answer: Caused by pathologies such as
acne, burns, eczema, dermatitis, and psoriasis. Examples include
atopic, seborrheic, and stasis dermatitis.
neoplastic skin disorder— Answer: Caused by skin cancers. Examples
include squamous cell carcinoma, basal cell carcinoma, and malignant
melanoma. Melanoma is the most serious type of neoplasm
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, 3
macules— Answer: freckles and flat moles, less than 1 cm wide
papule— Answer: palpable, circumscribed solid elevation of skin
nodule— Answer: palpable, circumscribed deep, firm
ex: wart
tumor— Answer: solid mass
vesicle— Answer: serous fluid filled
ex: blister, herpes simplex
pustule— Answer: pus filled, varies in size
ex: acne
wheal— Answer: palpable, irregular borders
risk factors for impaired skin integrity— Answer: 1. Any patient who
is experiencing decreased mobility, decreased sensory perception, fecal
or urinary incontinence, and/or poor nutrition is at risk for pressure
ulcer development
2. Patients with altered sensory perception for pain and pressure are at
risk because they cannot feel their body sensations.
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