The clinic nurse administers a tuberculin skin test to a client. The nurse tells the client to return to the clinic for the results in?
2-3 days
24 hours
1week
1 month
The Correct Answer is A
A. 2–3 days: This is the correct time frame for interpreting a tuberculin skin test (Mantoux test). The induration response should be evaluated 48 to 72 hours after administration to ensure accurate results. Reading the test outside this window may lead to false negatives or unreliable interpretation.
B. 24 hours: Reading the skin test after only 24 hours may not allow sufficient time for the delayed hypersensitivity reaction to develop. The immune response that causes induration typically peaks at 48–72 hours.
C. 1 week: Waiting a full week exceeds the ideal time frame for interpretation. By this point, the reaction may have subsided, leading to an inaccurate or unreadable result. Follow-up must occur within 2–3 days.
D. 1 month: A return after one month is far too late to interpret the results. The test site would have long since returned to baseline, making accurate evaluation impossible and necessitating repeat testing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Vitamin K:Vitamin K is the antidote for warfarin overdose. Warfarin inhibits vitamin K-dependent clotting factors, and administering vitamin K reverses this effect by promoting the synthesis of clotting factors to control bleeding.
B. Magnesium sulfate:Magnesium sulfate is used to treat conditions such as torsades de pointes and eclampsia but has no role in reversing the anticoagulant effects of warfarin. It does not impact coagulation pathways or vitamin K levels.
C. Flumazenil:Flumazenil is an antidote for benzodiazepine overdose. It acts by antagonizing the effects of drugs like diazepam and lorazepam but has no effect on warfarin or anticoagulation reversal.
D. Protamine sulfate:Protamine sulfate is the antidote for heparin and low-molecular-weight heparin overdose, not warfarin. It neutralizes heparin's anticoagulant properties but does not interact with vitamin K or affect warfarin action.
Correct Answer is C
Explanation
A. It causes only mild discomfort at the site the probe is placed:Pulse oximetry is noninvasive and typically does not cause any discomfort unless the probe is left on too long or applied too tightly.
B. It requires insertion of only a small catheter in one nostril:This refers to oxygen delivery via nasal cannula, not pulse oximetry. Mentioning catheter insertion may increase the client’s apprehension, as it implies an invasive procedure, which pulse oximetry is not.
C. It is painless and safe:Pulse oximetry is a noninvasive method that uses light to measure oxygen saturation through a fingertip or earlobe, making it both painless and very safe for continuous monitoring.
D. It has an alarm to signal dangerous drops in oxygen levels:While accurate, focusing on alarms may heighten the client’s anxiety by implying that dangerous events are expected. This information is more relevant after the client is reassured about the procedure’s safety.
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