NR283 Pathophysiology
NR283 Worksheet 3 Skin and
Respiratory.
SKIN
1. Define the following:and give an example of each
a. Macule
Less than 1 cm, flat, well defined border. Includes freckles and measles.
b. Papule
Small firm and usually elevated, < 1 cm, solid mass, circumscribed border. Includes
moles and warts
c. Nodule
Elevated, solid, palpable mass, 1-2 cm. Includes small lipoma, squamous cell carcinoma and
fibroma.
d. Pustule
Elevated, lesion, usually contains purulent. Includes acne and impetigo
e. Vesicle
Circumscribed, elevated, palpable mass filled with fluid. Includes poison ivy, chicken pox,
and shingles
f. Plaque
Greater than 1 cm, slightly elevated with a flat surface. Includes psoriasis
g. Crust
Dry rough surface, dry exudate, or dry blood. Includes a scab.
h. Lichenification
Thick, dry, rough surface that is almost like leather. Includes eczema
i. Keloid
Raised, irregular, and increasing mass. Includes scar formation after surgery.
j. Fissure
Small, deep cracks in the skin that may be painful. Includes athletes foot.
k. Ulcer
Cavity with loss of tissue, weeping, bleeding, 4 stages. Includes venous stasis ulcer
l. Pediculosis
An infestation of lice, includes head lice.
m. Erosion
Shallow, moist cavity located in the dermis. Includes a secondary lesions of herpes zoster
n. Comedone
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, Chamberlain College of Nursing
NR283 Pathophysiology
Mass of sebum, keratin, and debris blocking the opening of a hair follicle. Includes a
blackhead.
o. Urticaria
Hard, raised lesions on the skin due to a type 1 hypersensitivity reaction. Includes a reaction
to shellfish.
p. Furuncles
Also known as a boil, an infection that begins in a hair follicle. Includes a carbuncle which
is a cluster of furuncles.
q. Psoriasis
Chronic inflammation of the skin, T cells are produced at a faster rate than normal creating
patches of thick skin. Includes plaque psoriasis.
2. Match the types of skin disorders with their causative organisms.
1. __D___ Tinea A. Bacterial infection
2. __A___ Impetigo B. Varicella virus
3. __B___ Chicken pox C. Human Herpes Virus 8
4. ___C__ Kaposi sarcoma D. Fungal infection
5. ___E_Plantar Warts E. Human Papillomavirus
3. Discuss an important component in teaching skin cancer prevention.
An important component of teaching skin cancer prevention is making sure patients use sunscreen
every time they go out in the sun.
4. What is the most invasive skin cancer that nurses must teach patients to identify and treat early?
Squamous cell carcinoma is the most common form of skin cancer and is the most aggressive.
5. Why is this skin cancer important to identify and treat early?
It is important to treat this cancer early because it can grow rapidly and spread to other parts of
the body causing more complications.
RESPIRATORY
1. Define the following:
a. Apnea
The stoppage of breathing usually occurring at night
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