Your labs are potassium 6.4, sodium 138, and serum calcium level of 9. Which order from the healthcare provider would the nurse anticipate?
Fluid restriction
Neomycin
Kayexalate
Sodium chloride infusion and furosemide
The Correct Answer is C
Choice A reason: Fluid restriction doesn’t address hyperkalemia (6.4 mEq/L); it may concentrate potassium further, worsening the condition, as it’s unrelated to potassium excretion or shifting in this scenario.
Choice B reason: Neomycin, an antibiotic, reduces gut bacteria but isn’t used for hyperkalemia. It has no direct effect on potassium levels, making it irrelevant for this lab finding.
Choice C reason: Kayexalate binds potassium in the gut, facilitating its fecal excretion, effectively lowering serum levels (6.4 mEq/L) in hyperkalemia, aligning with urgent correction needs here.
Choice D reason: Sodium chloride and furosemide dilute and excrete potassium via urine, but Kayexalate is preferred for rapid gut-based removal when potassium is critically high (6.4 mEq/L).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Levothyroxine treats hypothyroidism, but a non-palpable, non-tender thyroid is normal, not indicating low hormone needing replacement, so this is unnecessary.
Choice B reason: Thyroidectomy addresses hyperthyroidism or masses, not a non-palpable, non-tender gland, which is physiologically normal, making surgery irrelevant here.
Choice C reason: A healthy thyroid is typically non-palpable and non-tender, indicating no enlargement or inflammation, aligning with normal anatomy, so this is correct.
Choice D reason: Proper assessment finds a non-palpable thyroid as normal; suggesting error assumes pathology without evidence, when findings match expected norms.
Correct Answer is A
Explanation
Choice A reason: Sun exposure triggers lupus rashes by inducing photosensitivity, increasing inflammation via UV damage, so stating it decreases risk is incorrect and needs correction.
Choice B reason: Ibuprofen, an NSAID, reduces lupus joint pain by inhibiting prostaglandin synthesis, a common and appropriate management strategy, so this is accurate.
Choice C reason: Fever signals lupus flare-ups from systemic inflammation, an early immune response marker, making this statement correct and aligned with disease patterns.
Choice D reason: Resting between activities conserves energy and reduces lupus fatigue and inflammation, a recommended self-management technique, so this is appropriate advice.
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