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.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","E"]
Explanation
Choice A reason: Candidiasis is an opportunistic infection associated with AIDS. Candidiasis is a fungal infection caused by Candida species, which normally live in the mouth, throat, vagina, and intestines. In people with AIDS, the immune system is weakened and cannot control the growth of Candida, leading to oral thrush, esophagitis, vaginitis, or systemic candidiasis.
Choice B reason: Hodgkin's lymphoma is not an opportunistic infection associated with AIDS. Hodgkin's lymphoma is a type of cancer that affects the lymphatic system, which is part of the immune system. It is characterized by the presence of ReedSternberg cells, which are abnormal lymphocytes. The exact cause of Hodgkin's lymphoma is unknown, but it is not related to any specific infection.
Choice C reason: Pneumocystis jiroveci pneumonia is an opportunistic infection associated with AIDS. Pneumocystis jiroveci pneumonia is a fungal infection caused by Pneumocystis jiroveci, which normally lives in the lungs of healthy people without causing any symptoms. In people with AIDS, the immune system is weakened and cannot prevent the invasion of Pneumocystis jiroveci, leading to pneumonia, which is a serious and potentially fatal lung infection.
Choice D reason: Clostridium difficile is not an opportunistic infection associated with AIDS. Clostridium difficile is a bacterial infection caused by Clostridium difficile, which normally lives in the colon of healthy people without causing any problems. In some cases, the use of antibiotics can disrupt the normal balance of bacteria in the colon and allow Clostridium difficile to overgrow and produce toxins, leading to diarrhea, colitis, or pseudomembranous colitis. This infection can affect anyone, regardless of their HIV status.
Choice E reason: NonHodgkin's lymphoma is an opportunistic infection associated with AIDS. NonHodgkin's lymphoma is a type of cancer that affects the lymphatic system, which is part of the immune system. It is characterized by the presence of abnormal lymphocytes, which may be B cells, T cells, or natural killer cells. NonHodgkin's lymphoma is associated with several infections, such as EpsteinBarr virus, human herpesvirus 8, hepatitis C virus, and human Tcell leukemia virus, which may trigger the transformation of lymphocytes in people with AIDS.
Correct Answer is B
Explanation
Choice A reason: "You should never go around people after your baby is born." is not a good response, because it is unrealistic, rigid, and dismissive of the mother's concern. It does not acknowledge the benefits of social interaction and support for the mother and the baby, nor the risks of isolation and depression. It also does not provide any evidence or rationale for the advice.
Choice B reason: "Tell me more about that." is the best response, because it is openended, empathetic, and respectful of the mother's concern. It invites the mother to share her feelings and thoughts, and allows the nurse to explore the source and extent of the mother's anxiety. It also creates an opportunity for the nurse to provide education and reassurance based on the mother's needs.
Choice C reason: "I did that, and my kids turned out just fine." is not a good response, because it is personal, irrelevant, and unprofessional. It does not address the mother's concern, but rather shifts the focus to the nurse's own experience, which may not be applicable or helpful to the mother. It also implies that the mother's concern is unfounded or exaggerated, and may make the mother feel judged or defensive.
Choice D reason: "Why do you think that is a bad idea?" is not a good response, because it is closedended, confrontational, and accusatory. It does not show empathy or respect for the mother's concern, but rather challenges or criticizes it. It may make the mother feel defensive or guilty, and may discourage further communication.
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