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 D
Explanation
A. Equal to the excretion of urea: Urea excretion contributes to osmolality but does not define it.
B. In a ratio of 10:1 with the serum: This is not a recognized ratio for urine and serum osmolality.
C. Approximately half of the serum: In a healthy kidney, urine osmolality may vary but typically equals serum osmolality in a state of balance.
D. Equal to the osmolality of the serum: Under normal conditions, the kidney regulates urine osmolality to maintain a balance with serum osmolality, reflecting adequate kidney function.
Correct Answer is B
Explanation
A. Interstitial cystitis (although rare in a male patient): Interstitial cystitis is a chronic condition typically diagnosed after other causes, like infection, are ruled out.
B. Cystitis, probably from bacterial contamination: Symptoms such as urgency, frequency, suprapubic pain, and cloudy urine strongly suggest a urinary tract infection (UTI), specifically bacterial cystitis.
C. Urinary calculi, probably located in the ureter: While urinary calculi may cause similar symptoms, dark cloudy urine is more indicative of infection than stones.
D. Kidney infection, most likely pyelonephritis: Pyelonephritis typically presents with systemic symptoms such as fever, chills, and flank pain, which are not described here.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.