Question 1

DNA probe technology identifies microorganisms by probing their genetic composition.

Accepted Answer

A) True 
 B)False

Question 2

In the clinical laboratory,which of the following is (are) used as a rapid method of identification?

Accepted Answer

A)  Manual biochemical kit systems.
B)  Mechanized/automated systems.
C)  Immunologic systems.
D)  All of the choices.E) B) and D)
F) B) and C)

Question 3

The immunologic technique involving the transfer of proteins separated by electrophoresis to nitrocellulose sheets is

Accepted Answer

A)  complement fixation.
B)  direct immunofluorescence.
C)  immunoblotting.
D)  immunoelectrophoresis.E) B) and D)
F) A) and B)

Question 4

Which of the following should be isolated only by specialized research laboratories?

Accepted Answer

A)  mycoplasmas
B)  rickettsias
C)  chlamydiae
D)  all of the choicesE) None of the above
F) A) and B)

Question 5

The use of rRNA gene sequences to identify bacterial strains is referred to as ___________.

Accepted Answer

The answer of The use of rRNA gene sequences to...

Question 6

Which of the following media will permit the growth of one group of bacteria while inhibiting the growth of some other groups?

Accepted Answer

A)  differential
B)  selective
C)  enrichment
D)  characteristicE) All of the above
F) None of the above

Question 7

Determining the susceptibility of a microorganism to specific chemotherapeutic agents is an important service performed in the clinical microbiology laboratory.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following tests is an agglutination test for the bacterium causing typhoid fever?

Accepted Answer

A)  Quellung reaction
B)  API 20E system
C)  Widal test
D)  IMViCE) All of the above
F) A) and B)

Question 9

Identification and characterization of ova,trophozoites,and cysts of parasites is typically accomplished by direct microscopic evaluation of the clinical specimen.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following cell cultures consists of cells derived directly from kidney tissues?

Accepted Answer

A)  Continuous cell cultures.
B)  Semicontinuous cell cultures.
C)  Primary cultures.
D)  All of the choices.E) A) and B)
F) All of the above

Question 11

A colorless substrate acted on by the enzyme portion of the ligand to produce a colored product is known as a

Accepted Answer

A)  antibody.
B)  chromogen.
C)  antigen.
D)  serotype.E) A) and B)
F) A) and C)

Question 12

Which of the following is not used to culture viruses?

Accepted Answer

A)  Growth on artificial media.
B)  Growth in cell cultures.
C)  Growth in embryonated hen's eggs.
D)  Growth in whole animals.E) B) and D)
F) B) and C)

Question 13

The capsular swelling that occurs when Streptococcus pneumoniae is treated with an antiserum for its specific capsular type is called the __________ reaction.

Accepted Answer

The answer of The capsular swelling that occurs when Streptococcus...

Question 14

Which of the following is useful in the identification of bacteria?

Accepted Answer

A)  Source of the culture specimen.
B)  Growth patterns on selective and differential media.
C)  Hemolytic,metabolic,and fermentative properties.
D)  All of the choices.E) A) and B)
F) A) and C)

Question 15

If one is looking for intracellular inclusion bodies,one would suspect the microorganism to be a

Accepted Answer

A)  mycoplasma.
B)  rickettsia.
C)  chlamydia.
D)  protozoan.E) A) and B)
F) C) and D)

Question 16

Hybridoma cells and their progeny normally produce a(n)

Accepted Answer

A)  monoclonal antibody.
B)  polyclonal antibody.
C)  radioisotopes.
D)  antigens.E) All of the above
F) A) and B)

Question 17

A __________ effect is an observable change that occurs in cells as a result of viral replication.

Accepted Answer

The answer of A __________ effect is an observable change...

Question 18

The immunological reaction that occurs when there is an optimal ratio of antigen and antibody,producing a lattice at the zone of equivalence is known

Accepted Answer

A)  immunoblotting.
B)  immunoelectrophoresis.
C)  immunodiffusion.
D)  immunoprecipitation.E) A) and D)
F) A) and B)

Question 19

Detection of single or multiple microorganisms based on their cell size is known as

Accepted Answer

A)  flow cytometry.
B)  complement fixation.
C)  agglutination.
D)  serotyping.E) B) and C)
F) None of the above

Question 20

PCR is considered more flexible and easier to modify than antibody-based identification technologies.

Accepted Answer

A) True 
 B)False

Exam 36: Clinical Microbiology and Immunology

A __________ effect is an observable change that occurs in cells as a result of viral replication.

Correct AnswerverifiedShow Answer

Determining the susceptibility of a microorganism to specific chemotherapeutic agents is an important service performed in the clinical microbiology laboratory.

Correct AnswerverifiedShow Answer

The immunologic technique involving the transfer of proteins separated by electrophoresis to nitrocellulose sheets is

Correct AnswerverifiedShow Answer

Which of the following media will permit the growth of one group of bacteria while inhibiting the growth of some other groups?

Correct AnswerverifiedShow Answer

The use of rRNA gene sequences to identify bacterial strains is referred to as ___________.

Correct AnswerverifiedShow Answer

A colorless substrate acted on by the enzyme portion of the ligand to produce a colored product is known as a

Correct AnswerverifiedShow Answer

If one is looking for intracellular inclusion bodies,one would suspect the microorganism to be a

Correct AnswerverifiedShow Answer

In the clinical laboratory,which of the following is (are) used as a rapid method of identification?

Correct AnswerverifiedShow Answer

Hybridoma cells and their progeny normally produce a(n)

Correct AnswerverifiedShow Answer

The capsular swelling that occurs when Streptococcus pneumoniae is treated with an antiserum for its specific capsular type is called the __________ reaction.

Correct AnswerverifiedShow Answer

The immunological reaction that occurs when there is an optimal ratio of antigen and antibody,producing a lattice at the zone of equivalence is known

Correct AnswerverifiedShow Answer

Which of the following tests is an agglutination test for the bacterium causing typhoid fever?

Correct AnswerverifiedShow Answer

Identification and characterization of ova,trophozoites,and cysts of parasites is typically accomplished by direct microscopic evaluation of the clinical specimen.

Correct AnswerverifiedShow Answer

Which of the following is not used to culture viruses?

Correct AnswerverifiedShow Answer

DNA probe technology identifies microorganisms by probing their genetic composition.

Correct AnswerverifiedShow Answer

Which of the following should be isolated only by specialized research laboratories?

Correct AnswerverifiedShow Answer

Detection of single or multiple microorganisms based on their cell size is known as

Correct AnswerverifiedShow Answer

PCR is considered more flexible and easier to modify than antibody-based identification technologies.

Correct AnswerverifiedShow Answer

Which of the following cell cultures consists of cells derived directly from kidney tissues?

Correct AnswerverifiedShow Answer

Which of the following is useful in the identification of bacteria?

Correct AnswerverifiedShow Answer

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