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Which structure of the skin provides the body with photoprotective properties by
absorbing harmful UV light? (2)
A. Melanin
B. Langerhans cells
C. Odland bodies
D. Stratum lucidum - ANSWERS-A
Which principle of skin care product use would the WCN include in a teaching plan for a
patient with a leg wound? (2)
A. Use alkaline soaps and cleaners to neutralize acidic skin
B. Do not use products no the skin that have known sensitizers
C. Bathe frequently using water that is as hot as tolerated
D. Allow skin to dry completely before applying moisturizers - ANSWERS-B
Which layer of skin contains cells that release lipids such as ceramides to maintain the
normal "brick and mortar" skin barrier function. (2)
A. Stratum germinativum
B. Stratum basale
C. Stratum spinosum
,D. Stratum granulosum - ANSWERS-D
Daily bathing is not usually necessary for which patient populations? (L1)
A. Neonates and elderly
B. All age groups should bathe daily
C. Middle aged adults on steroids
D. Toddlers and young adults - ANSWERS-A
Alkaline products should generally be avoided because they remove protective oils from
the skin and alter the protective "acid mantle." (L1)True or False - ANSWERS-True
Emollients should be applied to damp skin after bathing. (L1)True or False -
ANSWERS-True
Match to appropriate category based on the effect of the time required for epidermal
regeneration
A. Reduced Time for Epidermal Regeneration (rate of epidermal mitosis is increased)
B. Increased Time for Epidermal Regeneration (results in thinning of epidermis)
Options:
1. Skin Loss
2. Aging
3. Steroids - ANSWERS-A - 1
B - 2,3
The WCN is assessing a patient whose wounds were caused by external factors. Which
of the following is an example of this type of injury? (17)
A. Pressure Injury
B. Venous Leg Ulcer
C. Eczema
, D. Malignant Wound - ANSWERS-A -- Mechanical factors include friction, shear,
pressure and moisture
What is a unique function of the layer of the epidermis known as the stratum basale? (2)
A. Providing immunity via Langerhans Cells
B. Producing new epithelial cells
C. Releasing lipids to hep maintain normal brick and mortar skin configuration
D. Protecting the palms of the hands and soles of the feet - ANSWERS-B - reproductive
layer of the dermis characterized by proliferating keratinocytes
Which cells located in the dermis produce collagen and elastin critical to immune
function and healing? (2)
A. Leukotrienes
B. Prostaglandins
C. Macrophages
D. Fibroblasts - ANSWERS-D
Which patient's wound would the WCN expect to heal by scar formation? (2)
A. A head wound extending beyond the hair follicles
B. A shallow wound on the hand
C. A stage 2 PI
D. A first-degree burn - ANSWERS-A
Which of the following statements accurately describes how the skin functions as a
barrier between the internal and external environments? (2)
A. The skin lipids bind water, normally maintaining skin water content at 20% or higher
B. When the barrier function of the skin is compromised, transepidermal water loss
(TEWL) decreases
C. Protection against pathogenic invasion is supported by an acidic pH of the skin