Question 1

Before clinical or serologic manifestations,the incubation period for syphilis usually lasts:

Accepted Answer

A)  3 to 7 days. 
B)  7 to 10 days. 
C)  about 3 weeks. 
D)  about 6 weeks. 
A)  3 to 7 days. 
B)  7 to 10 days. 
C)  about 3 weeks. 
D)  about 6 weeks.

Question 2

In infected donor blood,Treponema pallidum does not appear to survive in citrated blood stored at 4° C for more than ____ days(s).

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  5 
A)  1 
B)  2 
C)  3 
D)  5

Question 3

If an RPR assay is negative but has a rough appearance,what is an appropriate follow-up step?

Accepted Answer

A)  Report as a negative assay result. 
B)  Repeat the assay. 
C)  Repeat the assay with serial dilutions. 
D)  Request a new blood specimen for repeat testing. 
A)  Report as a negative assay result. 
B)  Repeat the assay. 
C)  Repeat the assay with serial dilutions. 
D)  Request a new blood specimen for repeat testing.

Question 4

Direct examination of treponemes is most often done by ______________ microscopy.

Accepted Answer

A)  unstained,high-power,´43 resolution 
B)  unstained,oil immersion resolution 
C)  phase contrast 
D)  darkfield 
A)  unstained,high-power,´43 resolution 
B)  unstained,oil immersion resolution 
C)  phase contrast 
D)  darkfield

Question 5

The term for nontreponemal antibodies produced by syphilis-infected patients against components of their own or other mammalian cells is:

Accepted Answer

A)  autoagglutinins. 
B)  reagin antibodies. 
C)  alloantibodies. 
D)  nonsyphilis antibodies. 
A)  autoagglutinins. 
B)  reagin antibodies. 
C)  alloantibodies. 
D)  nonsyphilis antibodies.

Before clinical or serologic manifestations,the incubation period for syphilis usually lasts:

In infected donor blood,Treponema pallidum does not appear to survive in citrated blood stored at 4° C for more than ____ days(s).

If an RPR assay is negative but has a rough appearance,what is an appropriate follow-up step?

Direct examination of treponemes is most often done by ______________ microscopy.

The term for nontreponemal antibodies produced by syphilis-infected patients against components of their own or other mammalian cells is:

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

Streptococcal Infections

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 18: Syphilis

Before clinical or serologic manifestations,the incubation period for syphilis usually lasts:

In infected donor blood,Treponema pallidum does not appear to survive in citrated blood stored at 4° C for more than ____ days(s).

If an RPR assay is negative but has a rough appearance,what is an appropriate follow-up step?

Direct examination of treponemes is most often done by ______________ microscopy.

The term for nontreponemal antibodies produced by syphilis-infected patients against components of their own or other mammalian cells is:

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

Streptococcal Infections

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