A surgeon opens her patient by cutting the integument parallel to the cleavage lines of the dermis. This will result in
less chance for infection
greater chance of infection
slowed healing and grater scaring
faster healing of the skin and less scaring
The Correct Answer is D
A. less chance for infection: While following cleavage lines can improve wound closure, the risk of infection depends more on sterile technique and postoperative care. Cutting along cleavage lines does not directly lower infection risk.
B. greater chance of infection: Cutting parallel to cleavage lines does not increase infection risk. Infection is influenced by factors such as contamination, immune status, and surgical environment rather than incision alignment.
C. slowed healing and greater scarring: Incisions made across cleavage lines place tension on wound edges, which can slow healing and result in more prominent scars. Cutting along cleavage lines avoids this complication.
D. faster healing of the skin and less scarring: Cleavage lines (Langer’s lines) represent the natural orientation of collagen fibers in the dermis. Surgical incisions made parallel to these lines heal more quickly and with minimal scarring because they experience less tension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. axillary and pubic areas:Apocrine glands are concentrated in the axillae, areolae, and pubic regions. They become active during puberty and release a thicker secretion that can produce body odor when decomposed by bacteria.
B. soles of the feet:The soles contain numerous eccrine sweat glands, which function in thermoregulation, but apocrine glands are not typically found here.
C. palms of the hands:Like the soles, the palms are rich in eccrine sweat glands for cooling, but they lack apocrine glands.
D. both A and B:Apocrine glands are not present in the soles of the feet, only in axillary and pubic regions.
E. both B and C:Neither the soles nor the palms contain apocrine glands; they only have eccrine sweat glands.
Correct Answer is C
Explanation
A. fibroblasts:Fibroblasts are connective tissue cells responsible for producing extracellular matrix and collagen. They are not part of the epithelium and do not enhance absorptive surface area.
B. thin and permeable:While simple columnar epithelium is relatively thin to allow some absorption, this characteristic alone does not significantly increase surface area for efficient nutrient uptake.
C. dense microvilli:Microvilli are finger-like projections on the apical surface of simple columnar epithelial cells. Their dense arrangement forms the brush border, greatly increasing surface area and enhancing absorption in the small intestine.
D. cilia:Cilia are hair-like structures that move substances across the epithelial surface, such as mucus in the respiratory tract. They do not increase surface area for absorption and are not a feature of absorptive digestive epithelium.
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