Struvite stones, form only when the upper urinary tract is infected with urease-producing bacteria such as Proteus mirabilis, Klebsiella pneumoniae, Staphylococcus,
saprophyticus.
USMLE Step 1 Community
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28 Dec 2024 (Edited)
three possible correct answers?
Question:
A 47-year-old woman presents with a history of repeated urinary tract infections. A photo of a urine sample from her most recent visit demonstrates beige-colored, irregularly shaped crystals. The automated urinalysis system reports that her urine sample has a pH of 9. What is the most likely organism implicated in her recurrent infections?
Options:
A)Escherichia coli
B)Staphylococcus saprophyticus
C)Pseudomonas aeruginosa
D)Proteus mirabilis
E)Klebsiella pneumoniae
three possible correct answers?
Question:
A 47-year-old woman presents with a history of repeated urinary tract infections. A photo of a urine sample from her most recent visit demonstrates beige-colored, irregularly shaped crystals. The automated urinalysis system reports that her urine sample has a pH of 9. What is the most likely organism implicated in her recurrent infections?
Options:
A)Escherichia coli
B)Staphylococcus saprophyticus
C)Pseudomonas aeruginosa
D)Proteus mirabilis
E)Klebsiella pneumoniae
As the question asks you about the "most likely," you may choose "Proteus mirabilis" as it is more related to the struvite stone.
As the question asks you about the "most likely," you may choose "Proteus mirabilis" as it is more related to the struvite stone.