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Comprehensive Nursing Test II

A health care provider orders peak and trough levels of an antibiotic for a client who is receiving vancomycin IV piggyback (IVPB). When should a blood sample be obtained to determine a peak level of the antibiotic?

ExplanationB. Because the drug was just administered, the blood level of the drug will be at its highest. A. This will produce inaccurate results; peak and trough levels are measured in relation to the time a drug is administered. C. This result will reveal a drug blood level halfway between peak and trough levels. D. This is done for a trough level, when the drug level is at its lowest.