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: Aspirin is contraindicated in peptic ulcer disease due to its antiplatelet and gastric irritant effects, risking bleeding or ulcer exacerbation. Acetaminophen is safer. Administering aspirin risks gastrointestinal hemorrhage, critical to avoid in ensuring safe pain management for clients with a history of peptic ulcers.
Choice B reason: Ibuprofen, an NSAID, irritates the gastric mucosa, worsening peptic ulcers and increasing bleeding risk, making it unsuitable. Acetaminophen is preferred. Administering ibuprofen risks ulcer perforation or bleeding, critical to prevent in ensuring safe headache relief for clients with a peptic ulcer history.
Choice C reason: Ketorolac, an NSAID, is contraindicated in peptic ulcer disease due to its potent gastric irritant effects, risking ulcer aggravation or bleeding. Acetaminophen is safe. Administering ketorolac risks severe gastrointestinal complications, critical to avoid in providing safe pain management for clients with peptic ulcer history.
Choice D reason: Acetaminophen is safe for headache relief in peptic ulcer clients, lacking gastric irritant effects, avoiding risks of bleeding or ulcer worsening. Administering it ensures effective pain management, critical for client comfort, preventing gastrointestinal complications, and supporting safe care in clients with a history of peptic ulcers.
Correct Answer is D
Explanation
Choice A reason: Repositioning the NG tube is a later step; checking suction function is first, as equipment failure is a common cause of no drainage. Assuming repositioning is initial risks delaying simple fixes, potentially prolonging discomfort, critical to avoid in ensuring effective gastric decompression.
Choice B reason: Injecting air and aspirating is a troubleshooting step but follows checking suction equipment, which may resolve no drainage. Assuming air injection is first risks unnecessary intervention, potentially causing discomfort, critical to prevent in ensuring efficient NG tube management for gastric decompression.
Choice C reason: Instilling irrigation solution is a later step after confirming suction function, as equipment issues are more common. Assuming irrigation is first risks clogging or discomfort, critical to avoid in ensuring proper NG tube function and effective gastric decompression in clients with non-draining tubes.
Choice D reason: Checking suction equipment function is the first step for a non-draining NG tube, as equipment failure is a common issue, easily corrected. This ensures effective decompression, critical for preventing gastric distention, supporting client comfort, and guiding further troubleshooting in managing NG tube care.
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