Question 1

The T cell receptor (TCR) recognizes an antigen

Accepted Answer

A) when it is coated with antibody. 
B) when it is coated with complement. 
C) as a peptide bonded to an MHC class II molecule on the surface of an antigen-presenting cell. 
D) as a free-floating antigen in the peripheral blood or lymphatic circulation. 
A) when it is coated with antibody. 
B) when it is coated with complement. 
C) as a peptide bonded to an MHC class II molecule on the surface of an antigen-presenting cell. 
D) as a free-floating antigen in the peripheral blood or lymphatic circulation.

Question 2

Cluster designation (CD) antigens are involved in various lymphocyte functions, which can include

Accepted Answer

A) promotion of cell-to-cell interactions and adhesion. 
B) transduction of signals that lead to lymphocyte activation. 
C) detection of cytokine secretion. 
D) Both A and B. 
A) promotion of cell-to-cell interactions and adhesion. 
B) transduction of signals that lead to lymphocyte activation. 
C) detection of cytokine secretion. 
D) Both A and B.

Question 3

Match the lymphoid organs with the approximate percentage of T lymphocytes.
See Table 4-1.
  
-Lymph nodes

Accepted Answer

A) 80% 
B) 60% 
C) 20% 
D) 10% 
A) 80% 
B) 60% 
C) 20% 
D) 10%

Question 4

Match the lymphocyte types with the appropriate description.
-Natural killer cells

Accepted Answer

A) Lead to antibody production 
B) Destroy target cells through an extracellular nonphagocytic mechanism (cytotoxic reaction) 
C) Kill target cells sensitized with antibody 
A) Lead to antibody production 
B) Destroy target cells through an extracellular nonphagocytic mechanism (cytotoxic reaction) 
C) Kill target cells sensitized with antibody

Question 5

Match the lymphocyte types with the appropriate characteristic.
-Cytotoxic T lymphocytes, or T cytotoxic (Tc) cells

Accepted Answer

A) Effector cells that can directly destroy virally infected target cells 
B) Downregulate the actions of other T and B cells 
C) Relatively high avidity for self-antigens 
A) Effector cells that can directly destroy virally infected target cells 
B) Downregulate the actions of other T and B cells 
C) Relatively high avidity for self-antigens

The T cell receptor (TCR) recognizes an antigen

Cluster designation (CD) antigens are involved in various lymphocyte functions, which can include

Match the lymphoid organs with the approximate percentage of T lymphocytes. See Table 4-1. -Lymph nodes

Match the lymphocyte types with the appropriate description. -Natural killer cells

Match the lymphocyte types with the appropriate characteristic. -Cytotoxic T lymphocytes, or T cytotoxic (Tc) cells

An Overview of Immunology

Antigens and Antibodies

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

Streptococcal Infections

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

The T cell receptor (TCR) recognizes an antigen

Cluster designation (CD) antigens are involved in various lymphocyte functions, which can include

Match the lymphoid organs with the approximate percentage of T lymphocytes. See Table 4-1. -Lymph nodes

Match the lymphocyte types with the appropriate description. -Natural killer cells

Match the lymphocyte types with the appropriate characteristic. -Cytotoxic T lymphocytes, or T cytotoxic (Tc) cells

An Overview of Immunology

Antigens and Antibodies

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

Streptococcal Infections

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