Question 1

The RPR and VDRL tests differ from each other in which of the following ways?

Accepted Answer

A)  method for reading or visualizing the reaction 
B)  specificity of antibody detected 
C)  specificity of antigen detected 
D)  principle for detecting antigen-antibody complexes 
A)  method for reading or visualizing the reaction 
B)  specificity of antibody detected 
C)  specificity of antigen detected 
D)  principle for detecting antigen-antibody complexes

Question 2

A 25-year-old patient presents with a fine rash on his chest,palms and feet,fever and malaise.The RPR is reactive with a titer of 1:64,the VDRL is non-reactive,and the MHA-TP is positive.What is the diagnosis?

Accepted Answer

A)  primary syphilis 
B)  secondary syphilis 
C)  tertiary syphilis 
D)  latent syphilis 
A)  primary syphilis 
B)  secondary syphilis 
C)  tertiary syphilis 
D)  latent syphilis

Question 3

At which stage of syphilis is the RPR specific for syphilis?

Accepted Answer

A)  primary 
B)  secondary 
C)  tertiary 
D)  latent 
E)  none of these 
A)  primary 
B)  secondary 
C)  tertiary 
D)  latent 
E)  none of these

Question 4

A patient presents with personality changes,altered mental state,and delusions of grandeur.The patient is then diagnosed as having syphilis.In what stage of syphilis is the patient?

Accepted Answer

A)  primary 
B)  secondary 
C)  latent 
D)  tertiary 
A)  primary 
B)  secondary 
C)  latent 
D)  tertiary

Question 5

Which of the following is a cause of a laboratory-induced false-negative in the screening tests for syphilis?

Accepted Answer

A)  alcohol ingestion prior to blood draw 
B)  systemic lupus erythematosus 
C)  excess serum 
D)  hot laboratory 
A)  alcohol ingestion prior to blood draw 
B)  systemic lupus erythematosus 
C)  excess serum 
D)  hot laboratory

Question 6

A 30-year-old man presents to the physician with a painless ulcer on his penis.An RPR performed on the man is reactive 1:128,and the MHA-TP test is positive.This man has:

Accepted Answer

A)  Neisseria gonorrhoeae 
B)  Chlamydia trachomatis 
C)  Treponema pallidum 
D)  Mycoplasma hominis 
A)  Neisseria gonorrhoeae 
B)  Chlamydia trachomatis 
C)  Treponema pallidum 
D)  Mycoplasma hominis

The RPR and VDRL tests differ from each other in which of the following ways?

A 25-year-old patient presents with a fine rash on his chest,palms and feet,fever and malaise.The RPR is reactive with a titer of 1:64,the VDRL is non-reactive,and the MHA-TP is positive.What is the diagnosis?

At which stage of syphilis is the RPR specific for syphilis?

A patient presents with personality changes,altered mental state,and delusions of grandeur.The patient is then diagnosed as having syphilis.In what stage of syphilis is the patient?

Which of the following is a cause of a laboratory-induced false-negative in the screening tests for syphilis?

A 30-year-old man presents to the physician with a painless ulcer on his penis.An RPR performed on the man is reactive 1:128,and the MHA-TP test is positive.This man has:

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

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

Serology of Parasitic and Fungal Infections

Spirochete Diseases

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Exam 21: Serologic and Molecular Detection of Bacterial Infections

The RPR and VDRL tests differ from each other in which of the following ways?

A 25-year-old patient presents with a fine rash on his chest,palms and feet,fever and malaise.The RPR is reactive with a titer of 1:64,the VDRL is non-reactive,and the MHA-TP is positive.What is the diagnosis?

At which stage of syphilis is the RPR specific for syphilis?

A patient presents with personality changes,altered mental state,and delusions of grandeur.The patient is then diagnosed as having syphilis.In what stage of syphilis is the patient?

Which of the following is a cause of a laboratory-induced false-negative in the screening tests for syphilis?

A 30-year-old man presents to the physician with a painless ulcer on his penis.An RPR performed on the man is reactive 1:128,and the MHA-TP test is positive.This man has:

Introduction and Natural Immunity

Lymphoid System

Nature of Antigens and Major Histocompatibility Complex

Antibody Structure and Function

Cytokines

Complement System

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

Serology of Parasitic and Fungal Infections

Spirochete Diseases

Filters