A nurse participating in lead screening at a community center.
The nurse should instruct parents to bring their children back for rescreening in a year for which of the following laboratory values?
10 mcg/dL
18 mcg/dL
4 mcg/dL
44 mcg/dL.
The Correct Answer is C
The correct answer is choice C.
Choice A rationale:
A lead level of 10 mcg/dL is above the CDC’s reference value of 3.5 mcg/dL and would require more immediate follow-up and intervention, not just rescreening in one year.
Choice B rationale:
A lead level of 18 mcg/dL is significantly elevated and would necessitate immediate medical intervention and frequent monitoring, rather than waiting a year for rescreening.
Choice C rationale:
A lead level of 4 mcg/dL is slightly above the CDC’s reference value of 3.5 mcg/dL. While it is concerning, it may be appropriate to rescreen in one year if no other risk factors are present.
Choice D rationale:
A lead level of 44 mcg/dL is dangerously high and requires urgent medical treatment and frequent follow-up, not just rescreening in one year.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
According to the CDC, one of the individual risk factors for suicide is a previous suicide attempt.
Choice A is not the answer because while substance abuse is a risk factor for suicide, it is not the priority risk factor for suicide completion in this case.
Choice C is not the answer because while loss of relationships can contribute to
suicide risk, it is not the priority risk factor for suicide completion in this case.
Choice D is not the answer because while a history of mental illness is a risk factor for suicide, it is not the priority risk factor for suicide completion in this case.

Correct Answer is A
Explanation
Choice A rationale: Yellow nasal discharge in a toddler with acute nephrotic syndrome signifies a potential upper respiratory tract infection, which is critically important. Children with nephrotic syndrome are highly susceptible to infections due to significant urinary loss of immunoglobulins, leading to an immunocompromised state. Furthermore, corticosteroid treatments, often prescribed for nephrotic syndrome, suppress the immune system. An infection can precipitate a relapse of the syndrome, lead to severe complications like peritonitis or sepsis, and requires prompt evaluation and potentially antibiotic therapy to prevent life-threatening outcomes.
Choice B rationale: Poor appetite is a non-specific symptom in toddlers with nephrotic syndrome and does not typically indicate an immediate, life-threatening complication. It can be attributed to generalized malaise, abdominal discomfort due to ascites, or even side effects of medications such as corticosteroids. While important to monitor for nutritional status and overall well-being, it does not carry the same urgency as signs of infection, which can rapidly lead to severe health deterioration in an immunocompromised child.
Choice C rationale: Facial edema is a cardinal clinical manifestation of acute nephrotic syndrome, resulting from profound hypoalbuminemia. Reduced plasma oncotic pressure causes fluid to shift from the intravascular space into the interstitial space, leading to generalized edema, often prominently in the face. This finding is expected and indicates the disease process itself, rather than an acute, unexpected complication requiring immediate reporting, unless there is a sudden, significant worsening or associated respiratory compromise.
Choice D rationale: Irritability in a toddler can be a manifestation of general discomfort, illness, or even a side effect of corticosteroid therapy, which can cause mood disturbances and behavioral changes. While it warrants assessment to identify the underlying cause, irritability is a non-specific symptom and does not directly indicate an urgent, life-threatening complication of nephrotic syndrome requiring immediate medical intervention, unlike the signs of an acute infection in an immunocompromised child.
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