A client is recovering from a fractured radius that occurred 8 weeks ago. In which stage of bone healing is the callus resorbed and transformed into bone?
Stage 4
Stage 3
Stage 5
Stage 1
The Correct Answer is A
Choice A reason: Stage 4 is the remodeling stage of bone healing, which occurs from 6 to 12 weeks after the fracture. In this stage, the callus, which is a mass of fibrous tissue and cartilage that forms around the fracture site, is gradually resorbed and replaced by mature bone. The bone becomes stronger and more compact and regains its original shape and function.
Choice B reason: Stage 3 is the callus formation stage of bone healing, which occurs from 2 to 6 weeks after the fracture. In this stage, the granulation tissue, which is a soft tissue that fills the fracture gap, is replaced by a callus that bridges the fracture ends. The callus is composed of fibroblasts, chondroblasts, and osteoblasts that produce collagen, cartilage, and bone matrix. The callus stabilizes the fracture and prepares it for remodeling.
Choice C reason: Stage 5 is not a valid stage of bone healing. There are only four stages of bone healing: stage 1 is the inflammatory stage, stage 2 is the reparative stage, stage 3 is the callus formation stage, and stage 4 is the remodeling stage.
Choice D reason: Stage 1 is the inflammatory stage of bone healing, which occurs from the time of the fracture to 3 to 5 days after the fracture. In this stage, the blood vessels around the fracture site are ruptured and form a hematoma, which is a blood clot that surrounds the fracture ends. The hematoma triggers an inflammatory response that involves the release of cytokines, growth factors, and inflammatory cells that initiate the healing process. The hematoma also provides a scaffold for the granulation tissue to grow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Cleansing the skin around the pins is the action that the nurse takes first, because it is the most urgent and relevant action. Cleansing the skin around the pins is a procedure that involves removing any dirt, debris, or secretions from the pin sites, which can help prevent or treat infection, inflammation, or pain. Cleansing the skin around the pins is a priority intervention, as it can reduce the risk of complications, such as osteomyelitis, sepsis, or pin loosening.
Choice B reason: Collecting a culture of the purulent fluid is not the action that the nurse takes first, because it is not the most urgent and relevant action. Collecting a culture of the purulent fluid is a procedure that involves obtaining a sample of the pus from the pin sites and sending it to the laboratory for analysis, which can help identify the type and source of infection. Collecting a culture of the purulent fluid is an important intervention, but it should be done after cleansing the skin around the pins, and with a medical order and a sterile technique.
Choice C reason: Administering an antibiotic is not the action that the nurse takes first, because it is not the most urgent and relevant action. Administering an antibiotic is a procedure that involves giving the client an antimicrobial agent, which can help fight or prevent infection. Administering an antibiotic is an important intervention, but it should be done after cleansing the skin around the pins, and with a medical order and a proper route.
Choice D reason: Instructing the client to complete exercises of the affected extremity is not the action that the nurse takes first, because it is not the most urgent and relevant action. Instructing the client to complete exercises of the affected extremity is a procedure that involves teaching the client how to move and strengthen the muscles and joints of the limb in traction, which can help prevent or treat atrophy, contracture, or thrombosis. Instructing the client to complete exercises of the affected extremity is an important intervention, but it should be done after cleansing the skin around the pins, and with a medical order and a safe technique.
Correct Answer is D
Explanation
Choice A reason: Allowing the client to sleep to build up stamina is not the priority intervention, because it does not address the psychosocial needs of the client. Sleeping is a physiological need, not a psychosocial need. Sleeping may help the client recover physically, but it does not help the client cope emotionally or socially with the isolation.
Choice B reason: Maintaining a sixfoot distance from the client is not the priority intervention, because it does not enhance the psychosocial needs of the client. Maintaining a sixfoot distance from the client is a safety measure, not a psychosocial intervention. Maintaining a sixfoot distance from the client may help prevent the transmission of infection, but it does not help the client feel less lonely or isolated.
Choice C reason: Providing a timeframe for the isolation is not the priority intervention, because it does not enhance the psychosocial needs of the client. Providing a timeframe for the isolation is an informational intervention, not a psychosocial intervention. Providing a timeframe for the isolation may help the client understand the rationale and duration of the precautions, but it does not help the client feel more engaged or supported.
Choice D reason: Providing the client with diversional activities is the priority intervention, because it enhances the psychosocial needs of the client. Providing the client with diversional activities is a psychosocial intervention, not a physiological, safety, or informational intervention. Providing the client with diversional activities may help the client feel more entertained, stimulated, and connected with others, which can reduce the negative effects of isolation.
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