Which of the following can be identified by milk ring test? Brucellosis Salmonel

3. The commonest species of Bacteroides in fragilis group, which causes human infection, is
Options
A. B vulgatus
B. B fragilis
C. B ovatus
D. B merdae

Discuss

Correct Answer: B fragilis

4. Lactobacilli grow best under
Options
A. strict anaerobic conditions
B. microaerophilic conditions in presence of 5% CO₂ and PH6
C. microaerophilic conditions in presence of 3% CO₂ and PH5
D. microaerophilic conditions in presence of 2% CO₂ and PH4

Discuss

Correct Answer: microaerophilic conditions in presence of 5% CO₂ and PH6

5. Which of the following bacterial colonies fluoresce brick-red in UV light?
Options
A. B gingivalis
B. B melaninogenicus
C. Bacteroides fragilis
D. B levii

Discuss

Correct Answer: B melaninogenicus

6. For brucellosis, 2 ME agglutination test is used to identify
Options
A. IgG
B. IgM
C. IgA
D. IgE

Discuss

Correct Answer: IgG

7. Brucella are
Options
A. Cocci
B. Rods
C. Cocobacilli
D. Very short rods

Discuss

Correct Answer: Very short rods

8. Agglutination test for Brucella mainly identifies which class of antibodies?
Options
A. IgG
B. IgM
C. IgA
D. IgE

Discuss

Correct Answer: IgM

9. Human transmission of Brucellae occurs by
Options
A. ingestion of contaminated meat
B. direct contact with animal tissues
C. ingestion of infected milk
D. all of these

Discuss

Correct Answer: all of these

10. Which of the following conditions can be caused by Plesiomonas?
Options
A. Septicaemia
B. Gastroenteritis
C. Cellulites
D. All of these

Discuss

Correct Answer: All of these

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Which of the following can be identified by milk ring test?

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