Question 1

A characteristic of necrotizing fasciitis is that it:

Accepted Answer

A)  is known as the "flesh-eating" bacteria. 
B)  is caused by Streptococcus pyogenes. 
C)  destroys the tissue covering the muscles. 
D)  all of the above. 
A)  is known as the "flesh-eating" bacteria. 
B)  is caused by Streptococcus pyogenes. 
C)  destroys the tissue covering the muscles. 
D)  all of the above.

Question 2

Most patients who have Streptococcus pyogenes infection begin to demonstrate a rise in antibody titer in:

Accepted Answer

A)  2 days. 
B)  7 days. 
C)  14 days. 
D)  30 days. 
A)  2 days. 
B)  7 days. 
C)  14 days. 
D)  30 days.

Question 3

The case definition of STSS and necrotizing fasciitis includes:

Accepted Answer

A)  serologic confirmation of group A streptococcal infection by a fourfold rise against SLO. 
B)  serologic confirmation of group A streptococcal infection by a fourfold rise against DNAse B. 
C)  severe red rash. 
D)  both a and b 
A)  serologic confirmation of group A streptococcal infection by a fourfold rise against SLO. 
B)  serologic confirmation of group A streptococcal infection by a fourfold rise against DNAse B. 
C)  severe red rash. 
D)  both a and b

Question 4

Important consequences of an S.pyogenes infection include:

Accepted Answer

A)  acute rheumatic fever. 
B)  poststreptococcal glomerulonephritis. 
C)  rheumatoid arthritis. 
D)  both a and b 
A)  acute rheumatic fever. 
B)  poststreptococcal glomerulonephritis. 
C)  rheumatoid arthritis. 
D)  both a and b

Question 5

M protein:

Accepted Answer

A)  can cause infection,even without strains of S.pyogenes. 
B)  is a major virulence factor of Streptococcus pyogenes. 
C)  promotes phagocytosis. 
D)  is the basis for the subclassification of group B streptococci. 
A)  can cause infection,even without strains of S.pyogenes. 
B)  is a major virulence factor of Streptococcus pyogenes. 
C)  promotes phagocytosis. 
D)  is the basis for the subclassification of group B streptococci.

Question 6

MATCHING
Match the substance with the correct description.

-Erythrogenic toxin

Accepted Answer

A) Is elaborated by scarlet fever-associated strains 
B) Also called "spreading factor" 
C) Dissolves clots by converting plasminogen to plasmin 
D) Four immunologically distinct forms 
A) Is elaborated by scarlet fever-associated strains 
B) Also called "spreading factor" 
C) Dissolves clots by converting plasminogen to plasmin 
D) Four immunologically distinct forms

Question 7

The principle of the optical immunoassay involves:

Accepted Answer

A)  anti-GAS (antibody)being attached (immobilized)to a thin film. 
B)  S.pyogenes being attached (immobilized)to a thin film. 
C)  a color change in the presence of antigen binding. 
D)  a color change in the absence of antibody binding. 
A)  anti-GAS (antibody)being attached (immobilized)to a thin film. 
B)  S.pyogenes being attached (immobilized)to a thin film. 
C)  a color change in the presence of antigen binding. 
D)  a color change in the absence of antibody binding.

A characteristic of necrotizing fasciitis is that it:

Most patients who have Streptococcus pyogenes infection begin to demonstrate a rise in antibody titer in:

The case definition of STSS and necrotizing fasciitis includes:

Important consequences of an S.pyogenes infection include:

M protein:

MATCHING Match the substance with the correct description. -Erythrogenic toxin

The principle of the optical immunoassay involves:

An Overview of Immunology

Antigens and Antibodies

Cells and Cellular Activities of the Immune System: Granulocytes and Mononuclear Cells

Cells and Cellular Activities of the Immune System: Lymphocytes and Plasma Cells

Soluble Mediators of the Immune System

Safety in the Immunology-Serology Laboratory

Quality Assurance and Quality Control

Basic Serologic Laboratory Techniques

Point-Of-Care Testing

Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Automated Procedures

Molecular Techniques

The Immune Response in Infectious Diseases

A Primer on Vaccines

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Rubella and Rubeola Infections

Acquired Immunodeficiency Syndrome

Hypersensitivity Reactions

Immunoproliferative Disorders

Autoimmune Disorders

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Solid Organ Transplantation

Bone Marrow Transplantation

Tumor Immunology

Filters

Exam 17: Streptococcal Infections

A characteristic of necrotizing fasciitis is that it:

Most patients who have Streptococcus pyogenes infection begin to demonstrate a rise in antibody titer in:

The case definition of STSS and necrotizing fasciitis includes:

Important consequences of an S.pyogenes infection include:

M protein:

MATCHING Match the substance with the correct description. -Erythrogenic toxin

The principle of the optical immunoassay involves:

An Overview of Immunology

Antigens and Antibodies

Cells and Cellular Activities of the Immune System: Granulocytes and Mononuclear Cells

Cells and Cellular Activities of the Immune System: Lymphocytes and Plasma Cells

Soluble Mediators of the Immune System

Safety in the Immunology-Serology Laboratory

Quality Assurance and Quality Control

Basic Serologic Laboratory Techniques

Point-Of-Care Testing

Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Automated Procedures

Molecular Techniques

The Immune Response in Infectious Diseases

A Primer on Vaccines

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Rubella and Rubeola Infections

Acquired Immunodeficiency Syndrome

Hypersensitivity Reactions

Immunoproliferative Disorders

Autoimmune Disorders

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Solid Organ Transplantation

Bone Marrow Transplantation

Tumor Immunology

Filters