Which secondary skin lesions are associated with eczema?
Scales.
Erosion.
Crusts.
Ulcers.
Correct Answer : A,B,C
Choice A rationale
Scales represent the accumulation of dead skin cells that flake off, a common secondary lesion in eczema resulting from the chronic inflammation and rapid skin cell turnover.
Choice B rationale
Erosion occurs when the superficial layer of skin is lost, typically due to scratching or friction in eczema, exposing the underlying epidermis and sometimes leading to infection.
Choice C rationale
Crusts form when serum, blood, or purulent exudate dries on the skin surface, often seen in eczema as a result of weeping lesions and subsequent drying.
Choice D rationale
Ulcers are deeper lesions extending into the dermis or subcutaneous tissue and are not typically associated with eczema. Eczema usually affects the epidermis, causing secondary lesions like scales, erosion, and crusts rather than deep tissue ulcers.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Lamellae are layers of bone tissue arranged in concentric circles in compact bone, not cells responsible for bone matrix secretion.
Choice B rationale
Osteoblasts are the cells responsible for the secretion of bone matrix. They produce collagen and other substances necessary for bone formation and growth.
Choice C rationale
Osteocytes are mature bone cells derived from osteoblasts. They maintain bone tissue but do not secrete bone matrix.
Choice D rationale
Osteoclasts are cells involved in the resorption of bone tissue, not the secretion of bone matrix. They break down bone tissue during growth and repair.
Correct Answer is C
Explanation
Choice A rationale
Furuncles, also known as boils, are deep folliculitis caused by bacterial infection, not sebum blockage.
Choice B rationale
Carbuncles are clusters of furuncles connected under the skin and are also caused by bacterial infection, not sebum blockage.
Choice C rationale
Comedones are primary lesions of acne caused by the blockage of hair follicles by sebum and keratin. They can be open (blackheads) or closed (whiteheads).
Choice D rationale
Striae, also known as stretch marks, are caused by the tearing of the dermis due to rapid stretching of the skin and are not related to sebum blockage in hair follicles.
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