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Anti-Streptolysin O (ASO)

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Questions and Answers

Which type of Streptococcus bacteria produces streptolysin O?

Group A only (correct)

Group C only

Group G only

All of the above

What is the main function of streptolysin O?

To cause hemolysis (correct)

To produce antibodies

To treat patients with increased levels of ASO titre

To cause damage to the heart and joints

What can increased levels of ASO titre in the blood cause?

Damage to the heart and joints (correct)

Damage to the brain and kidneys

Damage to the liver and lungs

Damage to the skin and muscles

What does ASO stand for?

Anti-Streptolysin O Signup and view all the answers

What is ASO used for in diagnosis and follow up?

To detect streptococcal infections Signup and view all the answers

Which type of streptococcal bacteria produces streptolysin O?

Groups A, C, and G Signup and view all the answers

What is the main function of streptolysin O?

To cause hemolysis Signup and view all the answers

What can increased levels of ASO titre in the blood indicate?

Past or present infection Signup and view all the answers

What does ASO stand for?

Antibody against Streptolysin O Signup and view all the answers

What is the other related toxin to streptolysin O?

Streptolysin B Signup and view all the answers

Study Notes

Streptococcus Bacteria and Toxins

Streptolysin O is produced by beta-hemolytic streptococci, specifically Group A Streptococcus (GAS).
The main function of streptolysin O is to cause hemolysis, or the breakdown of red blood cells.

ASO Titre and Diagnosis

ASO stands for Antistreptolysin O.
Increased levels of ASO titre in the blood can indicate a past infection with beta-hemolytic streptococci, specifically Group A Streptococcus (GAS).
ASO is used in diagnosis and follow-up to monitor the body's immune response to streptococcal infections, such as rheumatic fever.

Streptolysin S is the other related toxin to streptolysin O.

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Description

Test your knowledge of Anti-streptolysin O (ASO) with this quiz! Learn about the antibody made against streptolysin O, its function, and its association with different strains of Streptococcus bacteria. Challenge yourself and expand your understanding of this important immunogenic exotoxin.