A client has been experiencing an unexplained decline in knee function and has consequently been scheduled for arthrography.
The nurse should teach the client about what process?
Aspiration of synovial fluid for serologic testing.
Injection of corticosteroids into the client's knee joint to facilitate ROM.
Injection of a contrast agent into the knee joint prior to ROM exercises.
Replacement of the client's synovial fluid with a synthetic substitute.
Replacement of the client's synovial fluid with a synthetic substitute.
The Correct Answer is C
Choice A rationale
Aspiration of synovial fluid for serologic testing is a procedure known as arthrocentesis, which involves extracting joint fluid for analysis. While useful for diagnosing conditions like infections or arthritis, it is not the same as arthrography, which involves imaging.
Choice B rationale
Injection of corticosteroids into the client's knee joint to facilitate ROM is a therapeutic procedure to reduce inflammation and improve movement in conditions like arthritis, but it is not part of an arthrography procedure.
Choice C rationale
Injection of a contrast agent into the knee joint prior to ROM exercises is a key part of arthrography. The contrast agent helps to enhance the imaging of the joint structures during movement, allowing for a detailed assessment of the joint.
Choice D rationale
Replacement of the client's synovial fluid with a synthetic substitute is not related to arthrography. This description aligns more with viscosupplementation, a treatment for osteoarthritis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Keeping the dressing very wet at all times is not advisable with autolytic debriding agents. Excess moisture can cause maceration of the surrounding skin and increase the risk of infection. The dressing should maintain an optimal level of moisture to promote autolysis without causing harm.
Choice B rationale
Not using a dressing for 6 hours/day is incorrect advice. Continuous application of the dressing is essential for the autolytic process. Removing the dressing for extended periods disrupts the environment needed for autolysis, delaying wound healing.
Choice C rationale
Cleansing the wound with Dakin's solution is not recommended with autolytic debridement. Dakin's solution is a chemical debriding agent, and its use can interfere with the natural autolytic process. It is better to use saline or appropriate cleansers as directed.
Choice D rationale
The wound may have a foul odor due to the autolytic debridement process. As dead tissue is broken down, it can produce a distinct odor. Educating the client about this expected outcome helps them understand that it is a normal part of the healing process and not necessarily a sign of infection.
Correct Answer is D
Explanation
Choice A rationale
Cerebrospinal fluid (CSF) does not produce cerebral neurotransmitters. Neurotransmitters are produced by neurons in the brain and nervous system.
Choice B rationale
CSF provides a protective barrier to some extent, but its primary function is not to act as a barrier to bacteria. The blood-brain barrier primarily serves this function.
Choice C rationale
CSF helps maintain a stable environment in the central nervous system but is not primarily an insulator for maintaining constant temperature. Its thermal properties are secondary.
Choice D rationale
The primary function of CSF is to cushion and protect the brain and spinal cord from mechanical injury. It also helps maintain the brain's buoyancy and provides a stable environment for the central nervous system.
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