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.

Answer and Explanation

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.

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Correct Answer is D

Explanation

Choice A reason: Urine output of 20 mL/hr is below the desired 30 mL/hr during magnesium sulfate therapy, indicating potential toxicity or renal issues, not a therapeutic effect. Absence of eclampsia is the goal. Monitoring for low output risks missing seizure prevention, critical for maternal safety in preeclampsia management.

Choice B reason: Fetal heart rate of 116/min is within normal (110-160/min) but not a direct therapeutic effect of magnesium sulfate, which prevents seizures. Absence of eclampsia is key. Assuming heart rate is the focus risks overlooking maternal neurological status, critical for ensuring seizure prevention in preeclampsia treatment.

Choice C reason: Blood pressure of 150/92 mm Hg, while elevated, is not the primary therapeutic effect of magnesium sulfate, which targets seizure prevention, not hypertension. Absence of eclampsia is priority. Focusing on blood pressure risks neglecting seizure monitoring, critical for maternal safety in preeclampsia management with magnesium.

Choice D reason: Absence of eclampsia (seizures) is the primary therapeutic effect of magnesium sulfate in preeclampsia, stabilizing neuronal excitability, preventing life-threatening convulsions. Monitoring this ensures maternal safety, critical for preventing neurological damage, supporting fetal well-being, and guiding therapy adjustments in high-risk obstetric care.

A. Wear gloves to apply the patch to the client’s skin. B. Remove the previous patch and place it in a tissue. C. Apply the patch within 1 hour of removing it from the protective pouch. D. Shave hairy areas of skin prior to application.

Correct Answer is A

Explanation

Choice A reason: Wearing gloves prevents nicotine absorption through the nurse’s skin during patch application, ensuring safety and preventing side effects like dizziness. This adheres to standard precautions, critical for occupational health, maintaining hygiene, and ensuring effective nicotine therapy for clients in smoking cessation programs.

Choice B reason: Removing the previous patch is correct but placing it in tissue is inadequate; it should be folded and disposed in a sharps container. Assuming tissue disposal is sufficient risks improper handling, potentially exposing others to nicotine, critical to avoid in safe patch management.

Choice C reason: Applying the patch within 1 hour of pouch removal is unnecessary; patches remain stable longer. Wearing gloves is priority. Assuming time restriction risks rushed application, potentially compromising technique, critical to prevent in ensuring safe and effective nicotine patch therapy for smoking cessation.

Choice D reason: Shaving hairy areas risks skin irritation; trimming is preferred before patch application. Wearing gloves is essential. Assuming shaving is correct risks skin damage, reducing patch adhesion, critical to avoid in ensuring proper application and effective nicotine delivery in smoking cessation therapy.

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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?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who has preeclampsia and is receiving magnesium sulfate via continuous IV infusion. For which of the following therapeutic effects should the nurse monitor the client?

Correct Answer is D

Explanation

A nurse is preparing to apply a transdermal nicotine patch for a client. Which of the following actions should the nurse take?

Correct Answer is A

Explanation

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