When trying to explain the advantages of using an emollient over other products to a patient suffering from dry skin, the nurse will emphasize emollients
A)
can replenish the oils on the skin surface because they contain fatty acids.
B)
will draw water out from the deeper skin layers.
C)
provide moisture-proof material to the skin by providing a thick creamy layer as a barrier.
D)
will contain some form of numbing agent like lidocaine to help with the itching.
Ans:
A
Feedback:
Emollients are fatty acid-containing lotions that replenish the oils on the skin surface but usually do not leave a residue on the skin. Humectants are the additives in lotions that draw out the water from the deeper skin layers and hold it on the skin surface. However, the water that is drawn to the skin is transepidermal water, not atmospheric water. Thus, continued evaporation from the skin can actually exacerbate dryness. Occlusive are thick creams that contain petroleum to act as a barrier. Lotions or cream additives include steroids or mild anesthetics, such as camphor, menthol, lidocaine, or benzocaine. These agents work by suppressing itching while moisturizing the skin.
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