Question 1

Which is characteristic of complement components?

Accepted Answer

A)  All are active enzymes. 
B)  They are synthesized only when antigen is present. 
C)  They play a major part in the inflammatory response. 
D)  They are mainly produced in lymphoid tissue. 
A)  All are active enzymes. 
B)  They are synthesized only when antigen is present. 
C)  They play a major part in the inflammatory response. 
D)  They are mainly produced in lymphoid tissue.

Question 2

A native bacterial cell surface itself will activate complement via which pathway(s)?

Accepted Answer

A)  classical 
B)  alternative 
C)  lectin 
D)  two of these 
E)  all of these 
A)  classical 
B)  alternative 
C)  lectin 
D)  two of these 
E)  all of these

Question 3

The C5 convertase of the classical pathway of complement activation is:

Accepted Answer

A)  C3bBbP 
B)  C3bBb3bP 
C)  C4b2a3b 
D)  C4b2a 
A)  C3bBbP 
B)  C3bBb3bP 
C)  C4b2a3b 
D)  C4b2a

Question 4

The lectin pathway is initiated by the presence of which of the following?

Accepted Answer

A)  antibody 
B)  C3 
C)  mannose 
D)  C1qrs 
A)  antibody 
B)  C3 
C)  mannose 
D)  C1qrs

Question 5

Which of the following activities is associated only with the alternative pathway of complement fixation?

Accepted Answer

A)  formation of a membrane attack unit 
B)  factor B and C3b combination 
C)  antigen-antibody combination 
D)  lysis 
A)  formation of a membrane attack unit 
B)  factor B and C3b combination 
C)  antigen-antibody combination 
D)  lysis

Question 6

Which of the following complement components has chemotactic activity?

Accepted Answer

A)  C3b 
B)  C3a 
C)  C1qrs 
D)  C5b6789 
A)  C3b 
B)  C3a 
C)  C1qrs 
D)  C5b6789

Question 7

Which complement factor polymerizes to cause lysis of a foreign cell?

Accepted Answer

A)  C5 
B)  C6 
C)  C8 
D)  C9 
A)  C5 
B)  C6 
C)  C8 
D)  C9

Question 8

A system of serum proteins that interact to enhance the immune response by producing cytolytic,chemotactic,and other effects best describes:

Accepted Answer

A)  complement 
B)  fibrinogen 
C)  haptoglobin 
D)  CRP 
A)  complement 
B)  fibrinogen 
C)  haptoglobin 
D)  CRP

Question 9

The recognition unit in the classical complement pathway consists of:

Accepted Answer

A)  C4b2a3b 
B)  C5b6789 
C)  C1qrs 
D)  factor B 
A)  C4b2a3b 
B)  C5b6789 
C)  C1qrs 
D)  factor B

Question 10

What is cleaved by C4b2a3b?

Accepted Answer

A)  C3 
B)  C4 
C)  C5 
D)  C6 
A)  C3 
B)  C4 
C)  C5 
D)  C6

Which is characteristic of complement components?

A native bacterial cell surface itself will activate complement via which pathway(s)?

The C5 convertase of the classical pathway of complement activation is:

The lectin pathway is initiated by the presence of which of the following?

Which of the following activities is associated only with the alternative pathway of complement fixation?

Which of the following complement components has chemotactic activity?

Which complement factor polymerizes to cause lysis of a foreign cell?

A system of serum proteins that interact to enhance the immune response by producing cytolytic,chemotactic,and other effects best describes:

The recognition unit in the classical complement pathway consists of:

What is cleaved by C4b2a3b?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Safety and Specimen Preparation

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Tumor Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters

Exam 6: Complement System

Which is characteristic of complement components?

A native bacterial cell surface itself will activate complement via which pathway(s)?

The C5 convertase of the classical pathway of complement activation is:

The lectin pathway is initiated by the presence of which of the following?

Which of the following activities is associated only with the alternative pathway of complement fixation?

Which of the following complement components has chemotactic activity?

Which complement factor polymerizes to cause lysis of a foreign cell?

A system of serum proteins that interact to enhance the immune response by producing cytolytic,chemotactic,and other effects best describes:

The recognition unit in the classical complement pathway consists of:

What is cleaved by C4b2a3b?

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Safety and Specimen Preparation

Precipitation Reactions

Agglutination

Labeled Immunoassays

Molecular Techniques

Flow Cytometry and Laboratory Automation

Hypersensitivity

Autoimmunity

Immunoproliferative Diseases

Immunodeficiency Disease

Transplantation Immunology

Tumor Immunology

Serologic and Molecular Detection of Bacterial Infections

Serologic and Molecular Detection of Bacterial Infections

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters