An adult exposed to tuberculosis is scheduled to begin prophylactic treatment with isoniazid. Which information is most important for the nurse to note before administering the initial dose?
Conversion of the client's PPD test from negative to positive
History of intravenous drug abuse
Current diagnosis of hepatitis B
Length of time of the exposure to tuberculosis
The Correct Answer is C
Choice A reason: Conversion of the client's PPD test from negative to positive is not the most important information for the nurse to note, as this is an expected finding for a client who has been exposed to tuberculosis and does not affect the administration of isoniazid. This is a distractor choice.
Choice B reason: History of intravenous drug abuse is not the most important information for the nurse to note, as this is not directly related to the use of isoniazid and does not contraindicate its administration. This is another distractor choice.
Choice C reason: Current diagnosis of hepatitis B is the most important information for the nurse to note, as this can increase the risk of hepatotoxicity and liver damage from isoniazid, which requires close monitoring and possible dose adjustment. Therefore, this is the correct choice.

Choice D reason: Length of time of the exposure to tuberculosis is not the most important information for the nurse to note, as this does not influence the dosage or frequency of isoniazid and does not indicate any complication or adverse reaction. This is another distractor choice.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: This is correct because a firm mattress reduces the risk of suffocation and rebreathing of carbon dioxide, which are associated with SIDS.
Choice B reason: This is incorrect because propping the infant with a pillow can cause the infant to slide down and suffocate or obstruct the airway.
Choice C reason: This is incorrect because swaddling the infant in a blanket can cause overheating, which is a risk factor for SIDS.
Choice D reason: This is incorrect because placing the infant in a prone position can increase the risk of SIDS by impairing gas exchange and thermoregulation.
Correct Answer is D
Explanation
Choice A reason: Instructing the client to increase his intake of oral fluids until the skin flushing is relieved is not an appropriate action for the nurse, as this does not address the cause of the flushing, which is vasodilation due to tadalafil. This is a distractor choice.
Choice B reason: Advising the client to place one nitroglycerin tablet under his tongue as a precaution is a dangerous action for the nurse, as this can cause severe hypotension and cardiovascular collapse due to the interaction between tadalafil and nitroglycerin. This is a contraindicated choice.
Choice C reason: Telling the client to have someone bring him to an emergency department immediately is an unnecessary action for the nurse, as there is no evidence of any serious adverse reaction or complication from tadalafil. This is an overreaction choice.
Choice D reason: Reassuring the client that skin flushing is a common side effect of the medication is an appropriate action for the nurse, as this can calm the client and educate him about the expected effects of tadalafil. Therefore, this is the correct choice.
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