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Salmonella Classification and Typhoid Fever Case Study

10 Questions

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Salmonella Classification and Typhoid Fever Case Study

Created by

@FinestDysprosium

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Questions and Answers

What is the size range of Salmonella bacilli?

5-7um

3-5um

1-3um

2-4um (correct)

Which of the following symptoms is NOT associated with suspected typhoid fever?

Diarrhea

Headache

Chest pain (correct)

Gastrointestinal bleeding

Which characteristic is true for Salmonella enterica?

It is poorly pathogenic to humans.

It is a sporeformer.

It primarily affects cold-blooded animals.

It is pathogenic for humans. (correct)

What is the required fever duration to consider an individual as suspected of having typhoid fever?

5 days Signup and view all the answers

Which method is used for the direct detection of typhoid fever?

Culture and Isolation Signup and view all the answers

What type of bacterium is Salmonella classified as?

Gram negative bacilli Signup and view all the answers

Which of the following is a serovar pathogenic to humans?

Salmonella typhimurium Signup and view all the answers

What is the morphology of Salmonella?

Motile rods Signup and view all the answers

Which of the following is NOT a recommendation for suspected typhoid fever cases?

Fever documented at > 37ºC Signup and view all the answers

Which type of anaerobic condition does Salmonella thrive in?

Facultative Anaerobic Signup and view all the answers

Study Notes

Salmonella

Gram-negative bacilli
Non-encapsulated, Non-sporeforming
Measures 2-4um x 0.6um in size
Motile rods with peritrichous flagella
Facultative intracellular anaerobe
Pathogenic for humans

Salmonella Classification

Salmonella bongori: Primarily infects cold-blooded animals and has low pathogenicity in humans.
Salmonella enterica: Known for causing infections in humans, with three primary serovars:
- Salmonella typhimurium: Associated with gastroenteritis.

Suspected Typhoid Fever Case

Suspected typhoid fever case is defined as an individual who:
- Lives in or has traveled from tropical or subtropical areas.
- Presents with fever lasting more than 5 days.
- Fever documented at > 38ºC.
- Experiences any of the following symptoms:
  - Headache
  - Diarrhea
  - Body malaise/weakness
  - Abdominal distention/pain
  - Gastrointestinal bleeding
  - Changes in orientation/confusion

Laboratory Tests for Typhoid Fever

Direct Detection Method:
- Culture and Isolation of Salmonella

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Description

This quiz covers the classification of Salmonella, focusing on its pathogenic variants and the characteristics of Salmonella enterica and Salmonella bongori. It also includes details on diagnosing suspected typhoid fever cases, outlining symptoms and risk factors associated with the disease. Test your knowledge on these important microbiological topics.