A nurse is talking with a client who has been taking levothyroxine to treat hypothyroidism.
The nurse should instruct the client to avoid taking which of the following over-the-counter medications within 4 hr of taking levothyroxine?
Fish oil supplements.
Calcium supplements.
Bulk-forming laxatives.
Oral antihistamines.
The Correct Answer is B
Choice A rationale:
Fish oil supplements do not have a known interaction with levothyroxine.
Choice B rationale:
Calcium supplements can interfere with the absorption of levothyroxine. They should be taken at least four hours apart from levothyroxine.
Choice C rationale:
While bulk-forming laxatives can interfere with the absorption of some medications, there’s no specific evidence they interfere with levothyroxine.
Choice D rationale:
Oral antihistamines do not have a known interaction with levothyroxine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Hypernatremia (high sodium levels) is not a common side effect of spironolactone. Spironolactone is a potassium-sparing diuretic and does not typically affect sodium levels.
Choice B rationale:
Hyperkalemia (high potassium levels) is a potential adverse effect of spironolactone. As a potassium-sparing diuretic, spironolactone can cause an increase in serum potassium levels.
Choice C rationale:
Hypophosphatemia (low phosphate levels) is not typically associated with spironolactone use.
Choice D rationale:
Hypocalcemia (low calcium levels) is also not a common side effect of spironolactone.
Correct Answer is D
Explanation
Choice A rationale:
Two loose stools in the past 24 hours could be a symptom of Clostridioides difficile infection, but it’s not necessarily a priority finding. The infection can cause diarrhea, but it’s not life-threatening.
Choice B rationale:
A WBC count of 11,000/mm³ is slightly elevated, indicating a possible infection. However, it’s not necessarily a priority finding as it’s not significantly high.
Choice C rationale:
A heart rate of 104/min is slightly elevated, indicating possible stress or anxiety. However, it’s not necessarily a priority finding as it’s not significantly high.
Choice D rationale:
Creatinine level of 3.1 mg/dL is significantly high, indicating possible kidney damage, which can be a side effect of vancomycin treatment. This should be reported to the provider immediately.
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