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
A calcium level of 8.0 mg/dL is below the normal range for adults, which is 8.8 to 10.4 mg/dL.
This condition is known as hypocalcemia and can cause muscle spasms and aches.
Choice A is incorrect because a positive Chvostek’s sign, not a negative one, is a clinical sign of hypocalcemia.
Choice C is incorrect because dry, sticky mucous membranes are not a symptom of hypocalcemia.
Choice D is incorrect because polyuria (frequent urination) is a symptom of hypercalcemia (high calcium levels), not hypocalcemia.
Correct Answer is D
Explanation
When determining that Bryant's traction is appropriately assembled, the nurse should observe that the buttocks is elevated slightly off of the bed.
In Bryant traction, both of the patient’s limbs are suspended in the air vertically at a ninety-degree angle from the hips and knees slightly flexed.
Choice A is incorrect because a padded sling is not used under the knee of the affected leg in Bryant traction.
Choice B is incorrect because skin straps are not used to maintain the leg in an
extended position in Bryant traction.
Choice C is incorrect because weights are not attached to a pin that is inserted into the femur in Bryant traction.
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