Answers 2026
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 - correct-answer -A
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 - correct-answer -B -
reproductive layer of the dermis characterized by proliferating keratinocytes
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,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 - correct-answer -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 - correct-answer -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
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, C. Protection against pathogenic invasion is supported by an acidic pH of the skin
D. Merkel receptors embedded in the eECM contribute to the mechanical rigidity
and frictional resistance protection of the skin - correct-answer -C
The WCN assessing the skin of patients in a nursing home keeps in mind the
structural changes that occur in aging skin. What is one of these changes? (2)
A. Increase in melanocytes
B. Rounding of dermal-epidermal junction
C. Increase in Mast Cells
D. Decrease in collagen - correct-answer -D
On which body site would the transepidermal application of a medication obtain
the greatest. percutaneous absorption? (2)
A. Plantar surface of the foot
B. Forearm
C. Forehead
D. Hand - correct-answer -C
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