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E.coli Indicator Organism Quiz

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Questions and Answers

What is the morphology of E. coli?

Spherical

Spindle-shaped

Cuboidal

Peritrichously flagellated (correct)

Which antigen structure is used by E. coli?

C and D antigens

X and Y antigens

O, K, and H antigens (correct)

A and B antigens

What are the clinical symptoms associated with Enteropathogenic E. coli (EPEC) infection?

Fever, diarrhea, nausea, vomiting, non-bloody stools (correct)

No fever, bloody diarrhea, vomiting

Bloody stools, no vomiting

Fever, vomiting, bloody stools, no diarrhea

What is the primary method for diagnosing Helicobacter pylori infection?

Culture and urease detection Signup and view all the answers

What is the key role of urease in Helicobacter pylori?

Neutralizing stomach acid Signup and view all the answers

Which combination of antibiotics is used to cure ulcers caused by Helicobacter pylori?

High dose Amoxicillin, Azithromycin, Metronidazole, Tetracycline Signup and view all the answers

What is the purpose of the radioactive CO2 breath test in diagnosing Helicobacter pylori infection?

To detect labelled CO2 after the patient drinks C13 labelled urea Signup and view all the answers

Where does the invasion pathway of salmonellae begin?

Small intestine Signup and view all the answers

What is a common symptom of typhoid salmonelloses?

Leukopenia Signup and view all the answers

What presents a challenge in eliminating the infection in chronic stool carriers of typhoid salmonellae?

Gallbladder wall persistence Signup and view all the answers