The page below is a sample from the LabCE course Case Studies in Clinical Microbiology. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

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Case Study: Recurrent Urinary Tract Infection (UTI)
A 72-year-old woman had a history of recurrent UTIs over the past several months, for which she had received different regimens of antibiotics including ampicillin, trimethoprim-sulfasoxazole, and ciprofloxacin. Relapses often occurred ten days to two weeks after cessation of therapy. The current flare up, manifest by dysuria, lower abdominal pain, and cloudy urine was accompanied by shaking chills and a spiking fever.
A sterile mid-stream urine specimen was sent to the laboratory for culture. The bacterial species shown growing on 5% sheep blood agar (SBA) was recovered from the spun sediment of a midstream urine specimen after 24 hours incubation at 35º C. Each of the following tests would be useful in supporting the presumptive identification of Enterococcus species except for which? (Select all that apply.)

More than one answer is correct. Please select all correct answers