GIT infection 1

A 32 year old male has traveled to Brazil for 3 months. During that period he went to a traditional sea food restaurant after a while he noticed cramps and has developed severe diarrhea. When he went to the hospital he was diagnosed with cholera. What is the average period required to develop his symptoms.

Which of the following is at highest risk to be infected by V.cholerae:

What is the action of cholera toxin on the intestinal cells:

Which of the following is not true regarding cholera:

One of the serotype of V.cholerae that has a toxic effect is:

A 58-year-old woman has progressively worsening epigastric pain. Upper endoscopy showed a 4-mm duodenal ulcer; biopsy specimens revealed mild gastritis with no evidence of malignancy. Histologic evaluation of the tissue showed infection with Gram negative bacilli..A. Which one of the following is the most likely causative organism:

For the previous scenario, what is the most appropriate treatment:

A 26-year-old African American woman presented with a 1-month history of intermittent, burning epigastric abdominal pain that was moderately severe in intensity. She also noted nausea and vomited once. The patient denied having signs and symptoms of melena, hematochezia, or hematemesis. How you can diagnose her disease

The previous patient diagnosed as Hpyori infection and not known to have any allegy towards any medication but she recently received clarithromycin for UTI. How would you treat her

Best medium for H.Pylori is

Most sensetive and reliable non-invasive method for h.pylori infection is

3-H.Pylori culture in:

4-Lymphoma associated with H. Pylori infection is:

How to differentiate between salmonella and shigella?

A 17- year- oldd maan had aa grilled chicken dinner with his friends. Three days later he went to the hospital with secere abdominal cramps; stools were bloody and pus cells were present. Culture under microaerophilic conditions revealed Gram-negative, oxidase positive rods. The most probable causative agent is: