A 40-year old woman presented to the surgical OPD with features suggestive of colitis. She was on prolonged treatment with clindamycin. Fecal sample was positive for toxin produced by this agent. Her condition improved on treatment with metronidazole. The clinical condition is associated with -
Antibiotic treatment of choice for treating cholera in an adult is a single dose of:
Sudha, a 20-year-old female, developed antibiotic-associated pseudomembranous colitis caused by Clostridium difficile. Among the following drugs, which is most likely to be effective in the treatment of this disease?
All of the following are true about ulcerative colitis except:
Which of the following is the BEST method for diagnosis of C. difficile infection?
What is the drug of choice for organism producing the following colonies?

A 35-year-old patient presents to the OPD 24 hours after a fight with a stranger in which he was bitten. GCS is 15/15 and following injury is noted on left forearm. He complains of extreme pain and tenderness in the injury. Swab from the injury was plated in chocolate agar and incubated in 10% carbon dioxide for 48 hours. Small colonies with pitting appearance were noted. Which of the following organism is responsible?

The acid-fast staining characteristic of Mycobacteria is due to which of the following cell wall constituents?
What is the causative agent of Primary Amoebic Meningoencephalitis?
Which of the following viruses has a double-stranded DNA genome?
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