The nurse is caring for a patient receiving vancomycin (Vancocin) for treatment of an infection caused by methicillin-resistant Staphylococcus aureus (MRSA).
Which assessment finding would indicate a potentially serious adverse reaction to this drug?
Redness and itching at the infusion site
Flushing, rash, and pruritus on the face and upper torso
Nausea, vomiting, and abdominal cramps
Tinnitus, vertigo, and hearing loss.
Report any signs of oral thrush to the provider.
The Correct Answer is D
These are signs of ototoxicity, a potentially serious adverse reaction to vancomycin (Vancocin) and other aminoglycosides. Ototoxicity can damage the inner ear and cause permanent hearing loss or balance problems.
Choice A is wrong because redness and itching at the infusion site are not specific to vancomycin (Vancocin) and could indicate a local irritation or an allergic reaction to any drug.
Choice B is wrong because flushing, rash, and pruritus on the face and upper torso are symptoms of red man syndrome, a common but not serious side effect of vancomycin (Vancocin) that occurs due to rapid infusion and histamine release. Red man syndrome can be prevented by infusing the drug over at least 1 hour.
Choice C is wrong because nausea, vomiting, and abdominal cramps are not specific to vancomycin (Vancocin) and could be caused by many factors, such as infection, food poisoning, or other drugs.
Normal ranges for vancomycin (Vancocin) trough levels are 10 to 20 mcg/mL for most infections and 15 to 20 mcg/mL for serious infections such as osteomyelitis, endocarditis, or meningitis. Levels above 20 mcg/mL increase the risk of ototoxicity and nephrotoxicity.
Therefore, the nurse should monitor the patient’s trough levels regularly and report any abnormal findings to the prescriber.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Vancomycin is an antibiotic that can cause ototoxicity, which is damage to the inner ear due to exposure to certain drugs.Ototoxicity can manifest as tinnitus (ringing in the ears), vertigo (dizziness), and hearing loss.Vancomycin ototoxicity is usually related to high serum levels of the drug and is more likely to occur in patients with renal impairment.Vancomycin can also potentiate the ototoxicity of other drugs, such as aminoglycosides.
Choice A is wrong because tinnitus is a possible manifestation of ototoxicity.
Choice B is wrong because vertigo is a possible manifestation of ototoxicity.
Choice C is wrong because hearing loss is a possible manifestation of ototoxicity.
Correct Answer is B
Explanation
Inappropriate antibiotic use leads to the emergence of resistance.This is a well-established fact that is supported by the CDC and other organizations.Resistance can occur when antibiotics are used unnecessarily, excessively, or incorrectly, and can lead to infections that are harder to treat and more costly.
Choice A is wrong because antibiotic guidelines in critical care do not necessarily reduce the hospital length of stay.Although some studies have suggested that adherence to pneumonia guidelines may improve outcomes in severe pneumonia, other studies have found no significant effect of antibiotic stewardship on hospital length of stay or mortality in critically ill patients.
Therefore, this statement is not universally true.
Choice C is wrong because antibiotic dosing has a significant effect on antimicrobial resistance.Optimal dosing of antibiotics can help eradicate infections, prevent relapse, and minimize the selection of resistant bacteria.Conversely, suboptimal dosing can lead to treatment failure, prolonged infection, and increased resistance.
Therefore, antibiotic dosing should be carefully adjusted according to the pharmacokinetic and pharmacodynamic properties of the drug and the patient.
Choice D is wrong because an antibiotic stewardship programme leads to a decrease in antimicrobial resistance, not an increase.An antibiotic stewardship programme is a coordinated effort to improve and measure the appropriate use of antibiotics by promoting the selection of the optimal drug regimen, dose, duration, and route of administration.Such programmes have been shown to reduce antibiotic consumption, resistance rates, adverse events, and costs in various settings.
Therefore, this statement is false.
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