<prompt> Typhoid ulcer ruptures at1st week2nd week3rd week4th week  <response>: C. i.e. 3rd week 69- 5 B L 25th 995- S. Das 5th After the second week, signs of peritonitis usually denotes perforation, which is confirmed by the presence of free.gas seen on x-ray 69-.B L 25th Perforation usually occurs during the third week it occurs through ulcerated peyers patches in the terminal ileum commonest site 995 - S-Das 5th Typhoid ulcer are longitudinal Tuberculous ulcers are transverse Treatment - laparotomy - close the peritoneum and leave the wound open for secondary closure In typhoid, chronic carriers are those - Urinary carriers with anomaly Chronic burrowing ulcer is caused by - Microaerophilic streptococci 