Question 1

A false-negative serologic test is defined as a

Accepted Answer

A)  positive result for someone who is not infected. 
B)  negative result for someone who does not have the disease. 
C)  positive result for someone who does have the disease. 
D)  negative result for a patient who really is infected. 
A)  positive result for someone who is not infected. 
B)  negative result for someone who does not have the disease. 
C)  positive result for someone who does have the disease. 
D)  negative result for a patient who really is infected.

Question 2

What is the advantage of using an indirect sandwich assay for EIA?

Accepted Answer

A)  One enzyme conjugated antiimmune antibody can be used for several tests. 
B)  It is much more specific than direct sandwich EIA. 
C)  It is much more sensitive than direct sandwich EIA. 
D)  The lower detection limit is superior to any other EIA test. 
A)  One enzyme conjugated antiimmune antibody can be used for several tests. 
B)  It is much more specific than direct sandwich EIA. 
C)  It is much more sensitive than direct sandwich EIA. 
D)  The lower detection limit is superior to any other EIA test.

Question 3

In precipitation assays, what is the precipitate made out of?

Accepted Answer

A)  Complement and protein complex 
B)  Antibody and protein complex 
C)  Antigen and antibody complex 
D)  Antigen and protein complex 
A)  Complement and protein complex 
B)  Antibody and protein complex 
C)  Antigen and antibody complex 
D)  Antigen and protein complex

Question 4

What test has its results reported as the relative amount of a signal generated by the patient's serum when compared with that of a known weakly positive serum?

Accepted Answer

A)  Enzyme immunoassay (EI
A)  
B)  Enzyme-linked immunosorbent assay (ELIS
A)  
C)  Radioimmunoassay (RI
A)  
D)  Solid phase immunobead assay (SPI
A)  
A)  Enzyme immunoassay (EI
A)  
B)  Enzyme-linked immunosorbent assay (ELIS
A)  
C)  Radioimmunoassay (RI
A)  
D)  Solid phase immunobead assay (SPI
A)

Exam 10: Immunodiagnosis of Infectious Diseases

A false-negative serologic test is defined as a

What is the advantage of using an indirect sandwich assay for EIA?

In precipitation assays, what is the precipitate made out of?

What test has its results reported as the relative amount of a signal generated by the patient's serum when compared with that of a known weakly positive serum?

Bacterial Cell Structure, Physiology, Metabolism, and Genetics

Hostparasite Interaction

The Laboratory Role in Infection Control

Control of Microorganisms

Performance Improvement in the Microbiology Laboratory

Specimen Collection and Processing

Microscopic Examination of Materials From Infected Sites

Use of Colony Morphology for the Presumptive Identification of Microorganisms

Biochemical Identification of Gram-Negative Bacteria

Applications of Molecular Diagnostics

Antimicrobial Agent Mechanisms of Action and Resistance Mechanisms

Antimicrobial Susceptibility Testing

Staphylococci

Streptococcus, Enterococcus, and Other Catalase-Negative, Gram-Positive Cocci

Aerobic Gram-Positive Bacilli

Neisseria Species and Moraxella Catarrhalis

Haemophilus, Hacek, Legionella, and Other Fastidious Gram-Negative Bacilli

Enterobacteriaceae

Vibrio, Aeromonas, and Campylobacter Species

Nonfermenting and Miscellaneous Gram-Negative Bacilli

Anaerobes of Clinical Importance

The Spirochetes

Chlamydia, Rickettsia, and Similar Organisms

Mycoplasma and Ureaplasma

Mycobacterium Tuberculosis and Nontuberculous Mycobacteria

Medically Significant Fungi

Diagnostic Parasitology

Clinical Virology

Agents of Bioterror and Forensic Microbiology

Biofilms: Architects of Disease

Upper and Lower Respiratory Tract Infections

Skin and Soft Tissue Infections

Gastrointestinal Infections and Food Poisoning

Infections of the Central Nervous System

Bacteremia and Sepsis

Urinary Tract Infections

Genital Infections and Sexually Transmitted Infections

Infections in Special Populations

Zoonotic Diseases

Ocular Infections

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