A nurse is assessing a client who received a Mantoux skin test 72 hours ago for tuberculosis screening. Which of the following findings indicates a positive test result?
A blister-like area.
An area of ecchymosis.
A cool, blanched area.
An elevated, hardened area.
The Correct Answer is D
Choice A reason: A blister-like area is not indicative of a positive Mantoux test, which shows induration; blisters suggest irritation. Assuming blisters are positive risks misdiagnosis, potentially missing tuberculosis exposure, critical to avoid in ensuring accurate screening and follow-up in clients tested for TB.
Choice B reason: Ecchymosis (bruising) is not a positive Mantoux result; induration indicates exposure. Assuming ecchymosis is positive risks incorrect interpretation, potentially overlooking tuberculosis risk, critical to prevent in ensuring proper screening, diagnosis, and follow-up for clients undergoing TB skin testing.
Choice C reason: A cool, blanched area suggests no reaction, not a positive Mantoux test, which requires induration. Assuming blanching is positive risks missing exposure, critical to avoid in ensuring accurate tuberculosis screening, guiding appropriate diagnostic follow-up, and protecting client and public health.
Choice D reason: An elevated, hardened area (induration) at 72 hours indicates a positive Mantoux test, suggesting TB exposure, requiring further evaluation. This is critical for accurate screening, ensuring timely diagnosis, preventing disease spread, and guiding follow-up in clients tested for tuberculosis exposure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: A semi-sitting position for meals is impractical in a hip spica cast, risking discomfort or aspiration; turning every 2 hours prevents pressure injuries. Assuming semi-sitting is correct risks complications, critical to avoid in ensuring safe positioning and care for children in spica casts.
Choice B reason: Maintaining dependent lower extremities increases edema risk in a hip spica cast; turning every 2 hours promotes circulation. Assuming dependent positioning is correct risks swelling, critical to prevent in ensuring proper cast care and comfort for children with hip spica casts.
Choice C reason: A bedside commode is unsuitable for a hip spica cast, which covers the pelvis; bedpans are used. Turning every 2 hours is key. Assuming a commode is appropriate risks impracticality, critical to avoid in ensuring proper toileting and care in spica cast management.
Choice D reason: Turning every 2 hours prevents pressure ulcers and promotes circulation in a child with a hip spica cast, critical for skin integrity and comfort. This ensures proper cast care, reducing complications, supporting healing, and maintaining safety in pediatric orthopedic management.
Correct Answer is B
Explanation
Choice A reason: Discussing preferences for repositioning schedules is secondary to assessing physical ability in stroke clients, who may have hemiplegia. Evaluating ability ensures safety. Assuming preferences are priority risks unsafe repositioning, potentially causing falls, critical to avoid in ensuring safe mobility and care for stroke patients.
Choice B reason: Evaluating the client’s ability to assist with repositioning is critical post-stroke to assess motor function, ensuring safe technique and preventing injury. This informs whether assistive devices or additional staff are needed, essential for reducing fall risk, promoting recovery, and tailoring care to the client’s physical capacity.
Choice C reason: Repositioning without assistive devices is unsafe for stroke clients with potential weakness or paralysis, risking falls or strain. Evaluating ability is priority. Assuming no devices are needed risks injury, critical to prevent in ensuring safe handling, supporting recovery, and maintaining safety in stroke rehabilitation care.
Choice D reason: Raising side rails ensures safety but is secondary to evaluating the client’s ability to assist, which guides repositioning technique. Assuming rails are the first step risks overlooking physical capacity, potentially leading to unsafe repositioning, critical to avoid in preventing falls and ensuring safe care for stroke clients.
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