Which organism causes most UTIs?
Proteus mirabilis
Pseudomonas aeruginosa
Klebsiella pneumoniae
E. coli
The Correct Answer is D
A. Proteus mirabilis: While Proteus species can cause UTIs, they are less common than E. coli and are often associated with catheter-related infections.
B. Pseudomonas aeruginosa: Pseudomonas causes UTIs primarily in hospitalized patients or those with indwelling catheters.
C. Klebsiella pneumoniae: Klebsiella species are less common than E. coli as causes of community-acquired UTIs.
D. E. coli: E. coli is the most common cause of community-acquired UTIs, accounting for approximately 80–90% of cases, due to its presence in the gastrointestinal tract and close proximity to the urethra.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Patient states an awareness of signs and symptoms of kidney stones and knows where to find pain relief: Awareness of symptoms is important, but prevention of recurrence is the primary goal.
B. Patient is able to describe measures to prevent recurrence of calculi: Prevention is the primary long-term goal in managing renal calculi. Understanding dietary adjustments, hydration, and lifestyle changes is crucial.
C. Patient will avoid infections and situations that would increase stress: Avoiding infections and stress is helpful but is not the main goal specific to renal calculi management.
D. Patient will measure intake and output so that they will be approximately equal: While monitoring hydration is important, it supports rather than defines the primary outcome of preventing recurrence.
Correct Answer is D
Explanation
A. Hematuria with abdominal bruising: Hematuria refers to blood in the urine but is not directly associated with the bruising characteristic of Grey Turner sign.
B. Bladder spasms on palpation of the abdomen: This does not describe Grey Turner sign, which is related to bleeding.
C. Distended bladder with painful urination: Grey Turner sign is not linked to bladder distension or urination issues.
D. Retroperitoneal bleeding and bruising over the flank: Grey Turner sign indicates retroperitoneal bleeding and is observed as bruising on the flanks, often a result of trauma or pancreatitis.
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