This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary Tract Infections, Subject name: Pediatrics
[{'content': 'Most common cause of urinary tract infection in children is - \nSelect and explain. \nA. EColi, B. Klebsiella sp., C. Psedomonas Aerognosa, D. Candida', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., E Coli o Bacterial infections are the most common cause of UTI, with E coli being the most frequent pathogen, causing 75- 90% of UTIs. Other bacterial sources of UTI include the following:# Klebsiella species# Proteus species# Enterococcus species# Staphylococcus saprophyticus, especially among female adolescents and sexually active females# Streptococcus group B, especially among neonates# Pseudomonas aeruginosao Fungi (Candida species) may also cause UTIs, especially after instrumentation of the urinary tract. Adenovirus is a rare cause of UTI and may cause hemorrhagic cystitis.", 'role': 'assistant'}]