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 C
Explanation
A. anaerobic:Anaerobic respiration, such as glycolysis, occurs without oxygen and produces only a small amount of ATP, typically 2 ATP per glucose molecule. It provides quick energy but is not the main source of ATP generation in cells.
B. anabolic:Anabolic reactions involve building larger molecules from smaller ones, such as protein or glycogen synthesis. These processes consume energy rather than produce it, so they do not contribute to ATP generation.
C. aerobic:Aerobic respiration occurs in the presence of oxygen and includes the Krebs cycle and electron transport chain. This pathway produces the majority of ATP, yielding around 34–36 ATP molecules per glucose, making it the primary energy source.
D. None of the Correct answers are correct:This option does not apply because aerobic respiration is the well-established pathway responsible for generating most of the cell’s ATP.
Correct Answer is A
Explanation
A. goblet cells:Goblet cells are specialized epithelial cells interspersed among simple columnar cells. They secrete mucus that lubricates and protects the lining of organs such as the intestines and respiratory tract.
B. mast cells:Mast cells are found in connective tissue, where they release histamine and other chemical mediators during immune responses. They are not embedded within epithelial layers.
C. fibroblasts:Fibroblasts are connective tissue cells that produce collagen and extracellular matrix. They do not secrete mucus or reside within epithelial layers.
D. macrophages:Macrophages are immune cells present in connective tissue and the bloodstream that perform phagocytosis. They are not positioned between epithelial cells for mucus secretion.
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