A patient who is taking immunosuppressant medications develops a urinary tract infection. The causative organism is sensitive to sulfonamides and to another, more expensive antibiotic. The prescriber orders the more expensive antibiotic. The nursing student assigned to this patient asks the nurse why the more expensive antibiotic is being used. Which response by the nurse is correct?
a) "Immunosuppressed patients are folate deficient." b) "Patients who are immunosuppressed are more likely to develop resistance." c) "Sulfonamides are bacteriostatic and depend on host immunity to work." d) "Sulfonamides intensify the effects of immunosuppression."
ANS: c
Sulfonamides are usually bacteriostatic and require intact host defenses for completeelimination of infection. Immunosuppressed patients are not necessarily folate deficient. Thereis no increased likelihood of developing bacterial resistance in immunosuppressed patients.Sulfonamides do no affect immunosuppression.
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