Differentiate The Microscopic Morphology Of Streptococci And Pneumococci As Seen By Gram Stain

1. Differentiate the microscopic morphology of streptococci and pneumococci as seen by Gram stain.

Morello-Mizer-Granato: I III. Diagnostic I 8. Microbiology of the I I © The McGraw-Hill

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2. What type of hemolysis is produced by S. pneumoniae?

3. How is S. pneumoniae distinguished from other streptococci with the same hemolytic properties?

4. What is the quellung reaction?

5. What role does a bacterial capsule play in infection?

6. What kind of culture media and atmospheric and incubation conditions are best for cultivating streptococci?

7. Why is blood agar considered a differential medium?

8. What is the function of a candle jar?

9. Describe the hemolysis produced by alpha-hemolytic, beta-hemolytic, and nonhemolytic streptococci.

10. What type of hemolysis is displayed by streptococci that are most pathogenic for human beings?

To what serological group do these usually belong?

How can they be identified as belonging to this group without doing a serological test? Explain.

Morello-Mizer-Granato: III. Diagnostic Laboratory Manual and Microbiology in Action

Workbook in Microbiology, 7/e

11. Describe the principle of the latex agglutination test.

12. Name at least three bacterial species found among the normal flora of the throat.

13. Is the normal flora of the upper respiratory tract harmful to the human host? Explain.

14. Is the normal flora beneficial to the host? Explain.

15. In collecting a throat culture, why is it important not to touch the swab to other surfaces in the mouth?

16. What specimens are of value in making a laboratory diagnosis of bacterial pneumonia? Why? Explain the difference between saliva and sputum.

17. Would a direct Gram stain of a sputum specimen be of any immediate value to the physician in choosing treatment for a patient with pneumonia? Explain.

18. Does antimicrobial therapy have any effect on the body's normal flora? Explain.

19. What is the significance of VRE?

Morello-Mizer-Granato: I III. Diagnostic I 8. Microbiology of the I I © The McGraw-Hill

Laboratory Manual and Microbiology in Action Respiratory Tract Companies, 2003 Workbook in Microbiology, 7/e

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Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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Responses

  • michael
    What kind of culture media and atmospheric and incubation conditions are?
    8 years ago
  • magnus oldbuck
    How long alpaa hemolytic streptococcus needs contact precaution?
    8 years ago
  • EMMA
    What role does a bacterial capsule play in infection?
    8 years ago
  • katharina
    Is the normal flora beneficial to the host explain?
    8 years ago
  • karin
    Why is important not to touch the swab to other surface of mouth?
    8 years ago
  • abbondanzio
    What specimens are of value in making a laboratory diagnosis of bacterial pneumonia?
    8 years ago
  • nicholas
    How is S. pneumoniae distinguished from other streptococci with thesame hemolytic properties?
    8 years ago
  • kacey murphy
    Does antimicrobial therapy have any effect on the body’s normal flora explain?
    8 years ago
  • pupa milanesi
    What media atmospheric condition and incubation temperature are best for cultivating streptococci?
    8 years ago
  • delfino
    What type of specimens are of value in making laboratory diagnosis of bacterial pneumonia?
    8 years ago
  • Feaven
    How can they be identified as belonging to this group without doing a serological test?
    8 years ago
  • eglantine oldbuck
    What kind of atmosphere is best for cultivating streptococci?
    8 years ago
  • annika
    What is the microscopic morphology of streptococci as seen by gram stain?
    8 years ago
  • falco
    What is the difference between streptococci and pneumococci as seen by gram stain?
    8 years ago
  • cornelia zaragamba
    What is the microscope morphology of streptococci and pneumococci as seen by gram stain?
    8 years ago
  • camilla
    What type of hemolysis is produced by S. pneumoniae?
    7 years ago
  • AUGUST
    How can Beta hemolysis be identified as belonging to group A without doing a serological test?
    7 years ago
  • Jennifer
    What type of hymolysis is produced by S. pneumoniae?
    7 years ago
  • Silvia
    What is the difference between pnuemococci and streptococi?
    7 years ago
  • guido
    What serological group does betahemolytic streptococci usually belong to?
    7 years ago
  • ERIK
    What is the difference between S. pneumoniae and other streptococci?
    7 years ago
  • todd
    What kind of culture media and incubation conditions are best for cultivating streptococci?
    7 years ago
  • Elena
    What is hemolytic property?
    7 years ago
  • Isembard
    What type of hemolysis is produce by S pneumoniae?
    7 years ago
  • Sarah
    What specimens are of balue in making a laboratory diagnosis of bacterial pneumonia?
    7 years ago
  • POPPY T
    How is S. pneumoniae diferent from other Strep with the same hemolytic properties?
    7 years ago
  • LEONA
    How is S. pnemoniae distinguished from other streptococci with the same hemolytic properties?
    5 years ago
  • tallus
    How is S. pneumoniae distingushed from other streptococci with the same hemolytic properties?
    5 years ago
  • Ambrosia
    What type of hemolysis is displayed by streptococci that are most pathogenic for human beings?
    5 years ago
  • trahand
    What type of hemolysis is displayed by step?
    4 years ago
  • Laura
    WHAT TYPE OF HEMOLYSIS DISPLAYED BY THE GROUP STREPTOCOCCI THAT ARE MOST PATHOGENIC FOR HUMAN?
    3 years ago
  • Lorene
    What type of hemoysis is produced by s. pneumoniae?
    6 months ago

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