A 30-year-old woman develops a urinary tract infection. A urine culture shows th

Practice Questions

A 30-year-old woman develops a urinary tract infection. A urine culture shows the presence of a gram-negative bacillus. Which organism is the most common cause of such infections?

Escherichia coli
Proteus mirabilis
Enterococcus faecalis
Klebsiella pneumoniae

Questions & Step-by-Step Solutions

A 30-year-old woman develops a urinary tract infection. A urine culture shows the presence of a gram-negative bacillus. Which organism is the most common cause of such infections?

Step 1: Understand that a urinary tract infection (UTI) is an infection in the urinary system.
Step 2: Know that bacteria are the most common cause of UTIs.
Step 3: Recognize that there are different types of bacteria, including gram-negative bacilli.
Step 4: Identify that Escherichia coli (E. coli) is a type of gram-negative bacillus.
Step 5: Learn that E. coli is the most frequently found bacteria in urinary tract infections.

Urinary Tract Infections (UTIs) – UTIs are commonly caused by bacteria, with Escherichia coli being the most prevalent pathogen.
Gram-negative Bacilli – Understanding the classification of bacteria, particularly gram-negative bacilli, is crucial in identifying common pathogens.

A 30-year-old woman develops a urinary tract infection. A urine culture shows th

Practice Questions

Questions & Step-by-Step Solutions

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