Wednesday, January 3, 2024


Significant bacteriuria, puria, and alkaline urine probably indicate urinary tract infection due to:

  • A- staphylococcus epidermidis
  • B- E. coli
  • C- proteus vulgaris
  • D- pseudomonas aerginosa***
  • E- enterococcus faecalis.

The most likely answer to this question is B. E. coli.

Here's why:

- Significant bacteriuria:

This indicates a high bacterial count in the urine, which is a hallmark of urinary tract infection (UTI).

- Puria:

This refers to the presence of white blood cells in the urine, another sign of infection.

- Alkaline urine:

While not always present in UTIs, E. coli can break down urea in urine, leading to an increase in pH and making it alkaline.

Other Bacteria:

While other bacteria on the list can also cause UTIs, they are less common or have less specific associations with the given symptoms:

A. Staphylococcus epidermidis:

This bacterium is more commonly associated with skin infections and rarely causes UTIs, especially with the described symptoms.

C. Proteus vulgaris:

This bacterium can cause UTIs, but it's less common than E. coli and often associated with specific complications like struvite stones.

D. Pseudomonas aeruginosa:

This bacterium is more common in healthcare settings and typically requires catheters or other risk factors for UTI.

E. Enterococcus faecalis:

This bacterium can cause UTIs, but it's less common than E. coli and often associated with specific risk factors like antibiotic use or recent hospitalization.

Therefore, considering the combined symptoms of significant bacteriuria, puria, and alkaline urine, E. coli is the most likely culprit for the UTI in this scenario.

It's important to remember that this is a simplified analysis based on the provided information. A definitive diagnosis of a UTI and its causative agent should always be made by a healthcare professional based on a complete medical history, examination, and laboratory testing.