Question 1

The EIA test for HIV infection is a direct test for HIV envelope proteins.

Accepted Answer

A) True 
 B)False  False

Question 2

Two pathogenic anaerobes that are predominantly soil organisms are Clostridium_________and C._________ .

Accepted Answer

tetani / perfringens (either order)

Question 3

Which of the following immunological tests would allow the specific identification of a microorganism directly in a patient specimen?

Accepted Answer

A)  radioimmunoassay (RI
A)  
B)  agglutination 
C)  enzyme- linked immunosorbent assay (EI
A)  
D)  fluorescent antibody (F
A)  
A)  radioimmunoassay (RI
A)  
B)  agglutination 
C)  enzyme- linked immunosorbent assay (EI
A)  
D)  fluorescent antibody (F
A)  D

Question 4

At this time, EIA tests are too difficult for routine diagnoses.

Accepted Answer

A) True 
 B)False

Question 5

MacConkey agar and eosin- methylene blue (EMB) agar are __________ media.

Accepted Answer

A)  differential but not selective 
B)  selective but not differential 
C)  both selective and differential 
D)  neither selective nor differential 
A)  differential but not selective 
B)  selective but not differential 
C)  both selective and differential 
D)  neither selective nor differential

Question 6

Modified Thayer- Martin (MTM) agar

Accepted Answer

A)  permits the growth of Neisseria gonorrhoeae and Neisseria meningitidis. 
B)  incorporates antibiotics into the medium. 
C)  suppresses the growth of normal flora. 
D)  does all of the above. 
A)  permits the growth of Neisseria gonorrhoeae and Neisseria meningitidis. 
B)  incorporates antibiotics into the medium. 
C)  suppresses the growth of normal flora. 
D)  does all of the above.

Question 7

To detect antibodies in human serum, the direct EIA is most commonly employed.

Accepted Answer

A) True 
 B)False

Question 8

The tuberculin skin test looks to identify __________ specific to Mycobacterium tuberculosis.

Accepted Answer

A)  delayed hypersensitive (DTH) TH1 cells 
B)  delayed hypersensitive (DTH) TC cells 
C)  antibodies 
D)  antigens 
A)  delayed hypersensitive (DTH) TH1 cells 
B)  delayed hypersensitive (DTH) TC cells 
C)  antibodies 
D)  antigens

Question 9

In the United States, every clinical and research institution requires that workers be protected from _________and __________, both of which are contracted almost exclusively from handling patient specimens (rather than from known exposure or accidents).

Accepted Answer

HIV / hepa

Question 10

Explain how a precipitation reaction is carried out. Discuss the disadvantage of this procedure.

Accepted Answer

A precipitation reaction works by identi

Question 11

Detection of antibody in the serum is sufficient to indicate infection in diseases

Accepted Answer

A)  caused by pathogens commonly found in a population. 
B)  caused by pathogens rarely found in a population. 
C)  that are caused by viruses. 
D)  that are acute. 
A)  caused by pathogens commonly found in a population. 
B)  caused by pathogens rarely found in a population. 
C)  that are caused by viruses. 
D)  that are acute.

Question 12

The oxygen- free gas commonly employed during anoxic incubation of a bacterial culture is a mixture of

Accepted Answer

A)  nitrogen and carbon monoxide. 
B)  nitrogen and hydrogen. 
C)  nitrogen and argon. 
D)  nitrogen and carbon dioxide. 
A)  nitrogen and carbon monoxide. 
B)  nitrogen and hydrogen. 
C)  nitrogen and argon. 
D)  nitrogen and carbon dioxide.

Question 13

Urinary tract diseases are more common among females than they are in males.

Accepted Answer

A) True 
 B)False

Question 14

Nucleic acid probes are not suitable for the detection of viruses.

Accepted Answer

A) True 
 B)False

Question 15

Antibodies and antigens can be reported in mass units called antibiograms.

Accepted Answer

A) True 
 B)False

Question 16

Latex bead agglutination tests are

Accepted Answer

A)  inferior tests used in developing countries not having facilities for more reliable assays. 
B)  an integral part of the EIA test procedure. 
C)  too expensive for routine use. 
D)  rapid and reliable tests used for the detection of certain bacteria as well as certain serum antibodies. 
A)  inferior tests used in developing countries not having facilities for more reliable assays. 
B)  an integral part of the EIA test procedure. 
C)  too expensive for routine use. 
D)  rapid and reliable tests used for the detection of certain bacteria as well as certain serum antibodies.

Question 17

Obligately anaerobic normal flora are found in _________and __________, which are anoxic habitats in the body.

Accepted Answer

portions of the oral

Question 18

Which type of medium typically contains an indicator dye?

Accepted Answer

A)  differential but not selective 
B)  selective but not differential 
C)  both selective and differential 
D)  neither selective nor differential 
A)  differential but not selective 
B)  selective but not differential 
C)  both selective and differential 
D)  neither selective nor differential

Question 19

The component that enriches chocolate agar is

Accepted Answer

A)  methyl brown indicator dye. 
B)  chocolate. 
C)  heat- lysed blood cells. 
D)  none of these. 
A)  methyl brown indicator dye. 
B)  chocolate. 
C)  heat- lysed blood cells. 
D)  none of these.

Question 20

In most cases, urinary tract infection occurs because of_________.

Accepted Answer

an organism ascendin

Exam 31: Diagnostic Microbiology and Immunology

The EIA test for HIV infection is a direct test for HIV envelope proteins.

Two pathogenic anaerobes that are predominantly soil organisms are Clostridium_________and C._________ .

Which of the following immunological tests would allow the specific identification of a microorganism directly in a patient specimen?

At this time, EIA tests are too difficult for routine diagnoses.

MacConkey agar and eosin- methylene blue (EMB) agar are __________ media.

Modified Thayer- Martin (MTM) agar

To detect antibodies in human serum, the direct EIA is most commonly employed.

The tuberculin skin test looks to identify __________ specific to Mycobacterium tuberculosis.

In the United States, every clinical and research institution requires that workers be protected from _________and __________, both of which are contracted almost exclusively from handling patient specimens (rather than from known exposure or accidents).

Explain how a precipitation reaction is carried out. Discuss the disadvantage of this procedure.

Detection of antibody in the serum is sufficient to indicate infection in diseases

The oxygen- free gas commonly employed during anoxic incubation of a bacterial culture is a mixture of

Urinary tract diseases are more common among females than they are in males.

Nucleic acid probes are not suitable for the detection of viruses.

Antibodies and antigens can be reported in mass units called antibiograms.

Latex bead agglutination tests are

Obligately anaerobic normal flora are found in _________and __________, which are anoxic habitats in the body.

Which type of medium typically contains an indicator dye?

The component that enriches chocolate agar is

In most cases, urinary tract infection occurs because of_________.

Microorganisms and Microbiology

A Brief Journey to the Microbial World

Cell Structure and Function in Bacteria and Archaea

Nutrition, Culture, and Metabolism of Microorganisms

Microbial Growth

Molecular Biology of Bacteria

Archael and Eukaryotic Molecular Biology

Regulation of Gene Expression

Viruses and Virology

Genetics of Bacteria and Arachaea

Genetic Engineering

Microbial Genomics

Phototrophy, Chemolithotrophy, and Major Biosyntheses

Catabolism of Organic Compounds

Commercial Products and Biotechnology

Microbial Evolution and Systematics

Bacteria: the Proteobacteria

Other Bacteria

Archaea

Eukaryotic Cell Biology and Eukaryotic Microorganisms

Viral Diversity

Methods in Microbial Ecology

Major Microbial Habitats and Diversity

Nutrient Cycles, Biodegradation, and Bioremediation

Microbial Symbioses

Microbial Growth Control

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Epidemiology

Person-To-Person Microbial Diseases

Vectorborne and Soilborne Microbial Pathogens

Wastewater Treatment, Water Purification, and Waterborne Microbial Diseases

Food Preservation and Foodborne Microbial Diseases

Filters

Two pathogenic anaerobes that are predominantly soil organisms are Clostridium_and C._ .

In the United States, every clinical and research institution requires that workers be protected from _and __, both of which are contracted almost exclusively from handling patient specimens (rather than from known exposure or accidents).

Obligately anaerobic normal flora are found in _and __, which are anoxic habitats in the body.