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 C
Explanation
Choice A reason: This is an incorrect answer because Medicare is a federal health insurance program that covers certain groups of people, such as the elderly, the disabled, and the lowincome. Medicare does not publish the National Patient Safety Goals, but it does have its own quality and safety standards that health care providers must meet to receive reimbursement.
Choice B reason: This is an incorrect answer because the American Nurses Association (ANA) is a professional organization that represents the interests of registered nurses in the United States. The ANA does not publish the National Patient Safety Goals, but it does have its own code of ethics, standards of practice, and policies that guide nursing practice and promote quality and safety.
Choice C reason: This is the correct answer because the Joint Commission is an independent, nonprofit organization that accredits and certifies more than 22,000 health care organizations and programs in the United States. The Joint Commission publishes the National Patient Safety Goals, which are specific and measurable goals that address the most critical patient safety issues in health care. The Joint Commission updates the goals annually based on the latest evidence and expert input.
Choice D reason: This is an incorrect answer because the Institute of Medicine (IOM) is a division of the National Academies of Sciences, Engineering, and Medicine, which is a private, nonprofit organization that provides independent, objective, and authoritative advice to inform policy and practice. The IOM does not publish the National Patient Safety Goals, but it does conduct research and issue reports on various topics related to health and health care, including quality and safety.
Correct Answer is ["A","D"]
Explanation
Choice A reason: A temperature of 101.3 degrees Fahrenheit is a sign of fever, which is a common symptom of infection. Clients with AIDS have a weakened immune system and are more susceptible to opportunistic infections. Fever indicates that the body is trying to fight off an infection.
Choice B reason: An oxygen saturation of 97% on room air is within the normal range and does not indicate infection. Oxygen saturation measures the percentage of hemoglobin that is bound to oxygen in the blood. A low oxygen saturation may indicate respiratory problems, such as pneumonia, which is a common infection in clients with AIDS.
Choice C reason: A respiratory rate of 22 breaths per minute is slightly above the normal range of 12 to 20 breaths per minute, but it does not necessarily indicate infection. Respiratory rate may vary depending on factors such as activity level, stress, pain, or anxiety. A high respiratory rate may indicate respiratory distress, which could be caused by infection or other conditions.
Choice D reason: Purulent drainage is a thick, yellowgreen, or brown pus that indicates infection. It may come from a wound, an abscess, or a body cavity. Purulent drainage is a sign of inflammation and infection and should be reported to the health care provider.
Choice E reason: A client's ability to ambulate 20 feet is not related to infection. Ambulation is a measure of mobility and function and may be affected by factors such as pain, fatigue, or muscle weakness. Ambulation does not reflect the presence or absence of infection.
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