A 64-Year-Old Man Comes to the Office Due to 2

question 275

Multiple Choice

A 64-year-old man comes to the office due to 2 days of dysuria, urinary frequency, and urgency.  He recently underwent a cystoscopy for evaluation of hematuria.  The patient has a history of hypertension, type 2 diabetes mellitus, and 30 pack-years of cigarette smoking.  His temperature is 38.2 C (100.8 F) .  On examination, there is suprapubic tenderness on deep palpation but no costovertebral angle tenderness.  Urinalysis findings are as follows: Midstream urine culture grows gram-positive cocci in chains with growth >100,000 colony-forming units/mL.  The organism responsible for this patient's condition is most likely to demonstrate which of the following?

• A)Ability to decompose hydrogen peroxide
• B)Gamma hemolysis on blood agar
• C)Growth only in absence of oxygen
• D)Possession of cytochrome oxidase
• E)Production of golden yellow pigments

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