Question 1

Mortality following an outbreak of S. pyogenes that progresses to toxic shock can be as high as

Accepted Answer

A) 25%. 
B) 50%. 
C) 70%. 
D) 90%. 
A) 25%. 
B) 50%. 
C) 70%. 
D) 90%.

Question 2

Streptococcus pyogenes is the most common causative agent of

Accepted Answer

A) pharyngitis. 
B) scarlet fever. 
C) impetigo. 
D) All of the above. 
A) pharyngitis. 
B) scarlet fever. 
C) impetigo. 
D) All of the above.

Question 3

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 4

Shock-like symptoms can be produced by high levels of

Accepted Answer

A) antibodies to S. pyogenes. 
B) S. pyogenes superantigens. 
C) cytokines. 
D) Both B and C. 
A) antibodies to S. pyogenes. 
B) S. pyogenes superantigens. 
C) cytokines. 
D) Both B and C.

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

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

Match each ASO titer situation to the appropriate description.
-Declining titer

Accepted Answer

A) Current infection 
B) Past infection 
C) Trend toward recovery 
D) Rules out Streptococcus pyogenes infection 
A) Current infection 
B) Past infection 
C) Trend toward recovery 
D) Rules out Streptococcus pyogenes infection

Mortality following an outbreak of S. pyogenes that progresses to toxic shock can be as high as

Streptococcus pyogenes is the most common causative agent of

A characteristic of necrotizing fasciitis is that it

Shock-like symptoms can be produced by high levels of

M protein

Match the substance with the correct description. -Erythrogenic toxin

Match each ASO titer situation to the appropriate description. -Declining titer

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

Rapid Testing

Precipitation and Particle Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Flow Cytometry

Molecular Laboratory Techniques

Infectious Diseases: Traditional and Alternate Diagnostic Techniques

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Rubella and Rubeola Infections

Primary and Acquired Immune Deficiency Syndromes

Hypersensitivity Reactions

Immunoproliferative Disorders

Tolerance, Autoimmunity, and Autoimmune Diseases

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Transplantation: Hla, Solid Organ, and Hematopoietic Stem Cells

Tumor Immunology and Up-To-Date Applications of Next-Generation Sequencing

Primer on Vaccines

Filters

Exam 16: Streptococcal Infections

Mortality following an outbreak of S. pyogenes that progresses to toxic shock can be as high as

Streptococcus pyogenes is the most common causative agent of

A characteristic of necrotizing fasciitis is that it

Shock-like symptoms can be produced by high levels of

M protein

Match the substance with the correct description. -Erythrogenic toxin

Match each ASO titer situation to the appropriate description. -Declining titer

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

Rapid Testing

Precipitation and Particle Agglutination Methods

Electrophoresis Techniques

Labeling Techniques in Immunoassay

Flow Cytometry

Molecular Laboratory Techniques

Infectious Diseases: Traditional and Alternate Diagnostic Techniques

Syphilis

Vector-Borne Diseases

Toxoplasmosis

Cytomegalovirus

Infectious Mononucleosis

Viral Hepatitis

Rubella and Rubeola Infections

Primary and Acquired Immune Deficiency Syndromes

Hypersensitivity Reactions

Immunoproliferative Disorders

Tolerance, Autoimmunity, and Autoimmune Diseases

Systemic Lupus Erythematosus

Rheumatoid Arthritis

Transplantation: Hla, Solid Organ, and Hematopoietic Stem Cells

Tumor Immunology and Up-To-Date Applications of Next-Generation Sequencing

Primer on Vaccines

Filters