Question 1

Serotyping of the pneumococcus based on capsular polysaccharide is performed in

Accepted Answer

A)  Ouchterlony double diffusion.
B)  Western Blot.
C)  immunelectrophoresis.
D)  radioimmunoassay (RI
A)  .
E)  the Quellung test.F) A) and B)
G) A) and C)

Question 2

Select the methods below that can be used for identifying the causative agent of a viral infection.Check all that apply.

Accepted Answer

A)  cultivation of the virus from patient samples in cell/tissue cultures
B)  detection of antibodies to the virus in a patient's serum
C)  observation of the patient's symptoms
D)  gram stain of patient specimens
E)  amplification and detection of viral nucleic acid in patient specimensF) culture of virus from patient specimens in enriched agar and broth mediaG) direct observation of viral-infected cells using fluorescent-antibody stainingH) A) and B)
I) B) and G)

Question 3

Which test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?

Accepted Answer

A)  Ouchterlony double diffusion
B)  Western Blot
C)  immunelectrophoresis
D)  radioimmunoassay (RI
A)  
E)  the Quellung testF) B) and E)
G) C) and D)

Question 4

Whole antigens are detected in which type of test?

Accepted Answer

A)  cross-reactions
B)  agglutination
C)  precipitation
D)  specificity
E)  sensitivityF) A) and B)
G) C) and E)

Question 5

Minute amounts of a pathogen in a patient sample can be rapidly detected by specifically amplifying and identifying its nucleic acid using PCR.This is an example of

Accepted Answer

A)  an immunologic method.
B)  a microscopic method.
C)  a phenotypic method.
D)  a genetic method.E) A) and B)
F) A) and C)

Question 6

Broad general characteristics of bacteria on flowcharts can be misleading for a diagnosis of disease.

Accepted Answer

A) True 
 B)False

Question 7

In direct antigen testing, the reaction is generally seen with the

Accepted Answer

A)  electron microscope.
B)  naked eye.
C)  light microscope.
D)  API 20E miniature identification system.
E)  PCR reaction.F) None of the above
G) C) and D)

Question 8

When antibodies or other substances in serum cross-react with the test reagents, a false positive result can occur.

Accepted Answer

A) True 
 B)False

Question 9

Soluble antigens are detected in which type of test?

Accepted Answer

A)  cross-reactions
B)  agglutination
C)  precipitation
D)  specificity
E)  sensitivityF) B) and E)
G) B) and C)

Question 10

Which test is used to measure the IgE present in allergic patients?

Accepted Answer

A)  fluorescent antibody tests
B)  Rapid Plasma Reagin (RPR)  test
C)  Weil-Felix reaction
D)  RIST
E)  ELISAF) B) and C)
G) B) and D)

Question 11

The property of a test to detect only a certain antibody or antigen, and not to react with any others, is

Accepted Answer

A)  cross-reactions.
B)  agglutination.
C)  precipitation.
D)  specificity.
E)  sensitivity.F) None of the above
G) B) and C)

Question 12

Compare and contrast agglutination and precipitation reactions, and include a description of one test for each type of reaction.

Accepted Answer

Agglutination and precipitation reaction...

Question 13

Describe three possible sampling sites and methods of collection for clinical laboratories.

Accepted Answer

1. Blood Collection from a Vein: One com...

Question 14

When serum proteins are separated by electrophoresis and then antibodies specific for the serum proteins are placed in a parallel trough in order to form reaction arcs for each protein, the test is called

Accepted Answer

A)  Ouchterlony double diffusion.
B)  Western Blot.
C)  immunelectrophoresis.
D)  radioimmunoassay (RI
A)  .
E)  the Quellung test.F) B) and E)
G) A) and C)

Question 15

The tuberculin test is an example of an in vivo serological test.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is involved in the in vitro diagnostic testing of serum?

Accepted Answer

A)  mycology
B)  hematology
C)  serology
D)  histology
E)  virologyF) A) and E)
G) D) and E)

Question 17

Which test uses radioactive isotopes to label antibodies or antigens in order to detect minute amounts of corresponding antigen or antibody?

Accepted Answer

A)  Ouchterlony double diffusion
B)  Western Blot
C)  immunelectrophoresis
D)  radioimmunoassay (RI
A)  
E)  the Quellung testF) B) and D)
G) A) and E)

Question 18

Sputum is obtained by

Accepted Answer

A)  swabbing the mouth to sample saliva.
B)  a clean catch urine sample.
C)  the patient coughing up mucus from the lower respiratory system.
D)  a spinal tap above the chest.
E)  a throat swab.F) A) and E)
G) B) and E)

Question 19

Test systems involving which of the following has greatly improved the specificity of immunological tests?

Accepted Answer

A)  Monoclonal antibodies
B)  Electronics
C)  Enzymes
D)  Radioactivity
E)  All of these choices are correct.F) A) and E)
G) C) and E)

Exam 17: Procedures for Identifying Pathogens and Diagnosing Infections

In direct antigen testing, the reaction is generally seen with the

Correct Answer
verified

Which test is used to measure the IgE present in allergic patients?

Correct Answer
verified

Sputum is obtained by

Correct Answer
verified

Whole antigens are detected in which type of test?

Correct Answer
verified

Which of the following is involved in the in vitro diagnostic testing of serum?

Correct Answer
verified

Test systems involving which of the following has greatly improved the specificity of immunological tests?

Correct Answer
verified

Select the methods below that can be used for identifying the causative agent of a viral infection.Check all that apply.

Correct Answer
verified

When antibodies or other substances in serum cross-react with the test reagents, a false positive result can occur.

Correct Answer
verified

When serum proteins are separated by electrophoresis and then antibodies specific for the serum proteins are placed in a parallel trough in order to form reaction arcs for each protein, the test is called

Correct Answer
verified

Broad general characteristics of bacteria on flowcharts can be misleading for a diagnosis of disease.

Correct Answer
verified

Which test uses radioactive isotopes to label antibodies or antigens in order to detect minute amounts of corresponding antigen or antibody?

Correct Answer
verified

Soluble antigens are detected in which type of test?

Correct Answer
verified

The tuberculin test is an example of an in vivo serological test.

Correct Answer
verified

Compare and contrast agglutination and precipitation reactions, and include a description of one test for each type of reaction.

Correct Answer
Answered by ExamLex AI
Agglutination and precipitation reaction...
View Answer

Describe three possible sampling sites and methods of collection for clinical laboratories.

Correct Answer
Answered by ExamLex AI
1. Blood Collection from a Vein: One com...
View Answer

Minute amounts of a pathogen in a patient sample can be rapidly detected by specifically amplifying and identifying its nucleic acid using PCR.This is an example of

Correct Answer
verified

Which test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?

Correct Answer
verified

The property of a test to detect only a certain antibody or antigen, and not to react with any others, is

Correct Answer
verified

Serotyping of the pneumococcus based on capsular polysaccharide is performed in

Correct Answer
verified

Exam 17: Procedures for Identifying Pathogens and Diagnosing Infections

In direct antigen testing, the reaction is generally seen with the

Correct AnswerverifiedShow Answer

Which test is used to measure the IgE present in allergic patients?

Correct AnswerverifiedShow Answer

Sputum is obtained by

Correct AnswerverifiedShow Answer

Whole antigens are detected in which type of test?

Correct AnswerverifiedShow Answer

Which of the following is involved in the in vitro diagnostic testing of serum?

Correct AnswerverifiedShow Answer

Test systems involving which of the following has greatly improved the specificity of immunological tests?

Correct AnswerverifiedShow Answer

Select the methods below that can be used for identifying the causative agent of a viral infection.Check all that apply.

Correct AnswerverifiedShow Answer

When antibodies or other substances in serum cross-react with the test reagents, a false positive result can occur.

Correct AnswerverifiedShow Answer

When serum proteins are separated by electrophoresis and then antibodies specific for the serum proteins are placed in a parallel trough in order to form reaction arcs for each protein, the test is called

Correct AnswerverifiedShow Answer

Broad general characteristics of bacteria on flowcharts can be misleading for a diagnosis of disease.

Correct AnswerverifiedShow Answer

Which test uses radioactive isotopes to label antibodies or antigens in order to detect minute amounts of corresponding antigen or antibody?

Correct AnswerverifiedShow Answer

Soluble antigens are detected in which type of test?

Correct AnswerverifiedShow Answer

The tuberculin test is an example of an in vivo serological test.

Correct AnswerverifiedShow Answer

Compare and contrast agglutination and precipitation reactions, and include a description of one test for each type of reaction.

Correct AnswerAnswered by ExamLex AIAgglutination and precipitation reaction...View AnswerShow Answer

Describe three possible sampling sites and methods of collection for clinical laboratories.

Correct AnswerAnswered by ExamLex AI1. Blood Collection from a Vein: One com...View AnswerShow Answer

Minute amounts of a pathogen in a patient sample can be rapidly detected by specifically amplifying and identifying its nucleic acid using PCR.This is an example of

Correct AnswerverifiedShow Answer

Which test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?

Correct AnswerverifiedShow Answer

The property of a test to detect only a certain antibody or antigen, and not to react with any others, is

Correct AnswerverifiedShow Answer

Serotyping of the pneumococcus based on capsular polysaccharide is performed in

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
Answered by ExamLex AI
Agglutination and precipitation reaction...
View Answer

Correct Answer
Answered by ExamLex AI
1. Blood Collection from a Vein: One com...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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