A nurse is evaluating the allergy profile of a client who has Graves' disease and is to undergo a thyroid scan. The nurse should identify which of the following allergies as a contraindication for the client to undergo a thyroid scan?

A. Wearing an N95 respirator is not necessary when caring for a client with neutropenia due to HIV unless the client has respiratory symptoms or is undergoing procedures that generate aerosols.

B. Inserting an indwelling urinary catheter should be avoided unless necessary, as it can

introduce the risk of infection, which is particularly concerning in clients with neutropenia.

C. Monitoring vital signs every 8 hours may not provide sufficient frequency for detecting changes in a client with neutropenia who may be at risk for rapid deterioration.

D. Using a dedicated stethoscope helps prevent the spread of infection to other clients by avoiding cross-contamination, which is especially important when caring for a client with neutropenia who is at increased risk of infection.

A. Sputum culture is used to diagnose active tuberculosis but is not typically used for routine screening of asymptomatic individuals.

B. Chest x-ray can detect active tuberculosis or its complications but is not typically used for routine screening of asymptomatic individuals.

C. QuantiFERON-TB Gold blood analysis is a blood test that detects the presence of tuberculosis infection but is not typically used for routine screening of asymptomatic individuals.

D. The Mantoux test, also known as the tuberculin skin test (TST), is commonly used for routine screening of tuberculosis infection in asymptomatic individuals, including new employees in healthcare settings.