<prompt> Ascending UTI caused by -SalmonellaT.B.E.coliAll  <response>: Ans. is c i.e., E.coli Urinary tract infection . In the vast majority of UTIs, bacteria gain access to the bladder urethra. Ascent of bacteria from bladder may follow and is the pathway for most renal parenchymal infections. . Organisms are ? - E.coli most common - Serratia - N. gonorrhoea - Proteus - Pseudomonas - Herpes simplex virus - Klebsiella - Chlamydia trachomatis - S. saprophyticus . Hematogenous spread causing UTI by - Staph aureus - Candiada 