Question 1

Inactivated tetanus toxin is a(n)

Accepted Answer

A)   nucleic acid vaccine.
B)   conjugated vaccine.
C)   subunit vaccine.
D)   toxoid vaccine.
E)   inactivated whole-agent vaccine.F) A) and D)
G) D) and E)

Question 2

Table 18.1
Antibody Titer   Day 1  Day 7 Day 14  Day 21  Patient A 00256512 Patient B 1282565121024 Patient C 0000 Patient D 128128128128\begin{array} { | l | l | l | l | l | } \hline & 	ext { Day 1 } & 	ext { Day } 7 & 	ext { Day 14 } & 	ext { Day 21 } \\hline 	ext { Patient A } & 0 & 0 & 256 & 512 \\hline 	ext { Patient B } & 128 & 256 & 512 & 1024 \\hline 	ext { Patient C } & 0 & 0 & 0 & 0 \\hline 	ext { Patient D } & 128 & 128 & 128 & 128 \\hline\end{array} Patient A  Patient B  Patient C  Patient D ​ Day 1 01280128​ Day 702560128​ Day 14 2565120128​ Day 21 51210240128​​ 
-In Table 18.1, who is most likely protected from the disease, as observed by the test results over time?

Accepted Answer

A)   Patient A
B)   Patient B
C)   Patient C
D)   Patient D E) B) and C)
F) A) and C)

Question 3

Table 18.1
Antibody Titer   Day 1  Day 7 Day 14  Day 21  Patient A 00256512 Patient B 1282565121024 Patient C 0000 Patient D 128128128128\begin{array} { | l | l | l | l | l | } \hline & 	ext { Day 1 } & 	ext { Day } 7 & 	ext { Day 14 } & 	ext { Day 21 } \\hline 	ext { Patient A } & 0 & 0 & 256 & 512 \\hline 	ext { Patient B } & 128 & 256 & 512 & 1024 \\hline 	ext { Patient C } & 0 & 0 & 0 & 0 \\hline 	ext { Patient D } & 128 & 128 & 128 & 128 \\hline\end{array} Patient A  Patient B  Patient C  Patient D ​ Day 1 01280128​ Day 702560128​ Day 14 2565120128​ Day 21 51210240128​​ 
-In Table 18.1, who probably has the disease?

Accepted Answer

A)   Patients A and C
B)   Patients A and D
C)   Patients B and C
D)   Patients C and D
E)   Patients A and B F) C) and D)
G) A) and B)

Question 4

Western blotting uses antibodies to detect specific proteins in a mixture of proteins.

Accepted Answer

A) True 
 B)False

Question 5

Haemophilus capsule polysaccharide plus diphtheria toxoid is a(n)

Accepted Answer

A)   inactivated whole-agent vaccine.
B)   attenuated whole-agent vaccine.
C)   conjugated vaccine.
D)   subunit vaccine.
E)   toxoid vaccine.F) D) and E)
G) A) and E)

Question 6

In an immunodiffusion test to diagnose the fungal disease histoplasmosis, a patientʹs serum is placed in a well in an agar plate. In a positive test, a precipitate forms as the serum diffuses from the well and meets material diffusing from a second well. In this test process, what is the most likely identity of the material in the second well?

Accepted Answer

A)   red blood cells
B)   a purified fungal antigen
C)   a purified protozoan antigen
D)   antibodies
E)   entire fungal cellsF) A) and B)
G) B) and D)

Question 7

In a vaccine preparation, the term ʺattenuatedʺ means that the agent does NOT replicate.

Accepted Answer

A) True 
 B)False

Question 8

A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen antibody reaction is called a(n)

Accepted Answer

A)   agglutination reaction.
B)   complement fixation.
C)   immunofluorescence.
D)   neutralization reaction.
E)   precipitation reaction.F) A) and C)
G) None of the above

Question 9

The home pregnancy test kit is an example of a direct ELISA.

Accepted Answer

A) True 
 B)False  True

Question 10

Which of the following is NOT an advantage of live attenuated vaccine agents?

Accepted Answer

A)   They occasionally revert to virulent forms.
B)   They require few or no booster immunizations.
C)   The immune response generated by the vaccine closely mimics a real infection.
D)   They stimulate by cell-mediated and humoral immune responses.
E)   They elicit lifelong immunity.F) B) and E)
G) C) and E) A

Question 11

Dead Bordetella pertussis can be used in a(n)

Accepted Answer

A)   inactivated whole-agent vaccine.
B)   attenuated whole-agent vaccine.
C)   conjugated vaccine.
D)   subunit vaccine.
E)   toxoid vaccine.F) A) and B)
G) B) and D)

Question 12

In an immunodiffusion test to diagnose histoplasmosis, a patientʹs serum is placed in a well in an agar plate. In a positive test, a line forms as the serum diffuses from the well and meets material diffusing from a second well. What type of test is this?

Accepted Answer

A)   a precipitation reaction
B)   a direct ELISA test
C)   a complement-fixation test
D)   an agglutination reaction
E)   an indirect ELISA testF) B) and D)
G) C) and D)

Question 13

A reaction between an antibody and soluble antigen-forming lattices is called a(n)

Accepted Answer

A)   agglutination reaction.
B)   complement fixation.
C)   immunofluorescence.
D)   neutralization reaction.
E)   precipitation reaction.F) A) and E)
G) A) and C)

Question 14

A patient shows the presence of antibodies against diphtheria toxin. Which of the following statements is FALSE?

Accepted Answer

A)   A recent transfusion may have passively introduced the antibodies.
B)   The patient may have had the disease and has recovered.
C)   The patient may have the disease.
D)   The patient may have been vaccinated.
E)   The patient was near someone who had the disease.F) A) and B)
G) A) and C)

Question 15

A reaction between antibody and particulate antigen is called a(n)

Accepted Answer

A)   agglutination reaction.
B)   complement fixation.
C)   immunofluorescence.
D)   neutralization reaction.
E)   precipitation reaction.F) A) and C)
G) A) and E)

Question 16

What type of vaccine involves host synthesis of viral antigens?

Accepted Answer

A)   nucleic acid vaccine
B)   attenuated whole-agent vaccine
C)   conjugated vaccine
D)   toxoid vaccine
E)   subunit vaccineF) A) and B)
G) None of the above A

Question 17

An ELISA for Hepatitis C has 95 percent sensitivity and 90 percent specificity. This means that the test

Accepted Answer

A)   detects 95 percent of the true positive samples and has 90 percent false positive results.
B)   detects 5 percent of the true positive samples and has 90 percent false positive results.
C)   detects 95 percent of the true positive samples and has 10 percent false positive results.
D)   detects 5 percent of the true positive samples and has 10 percent false positive results.
E)   detects 90 percent of the true positive samples and has 5 percent false positive results.F) B) and C)
G) A) and E)

Question 18

A highly specific diagnostic test will be unlikely to indicate a positive result if a specimen being tested is a true negative.

Accepted Answer

A) True 
 B)False

Question 19

Design a serological test to detect botulinum toxin in food.

Accepted Answer

To design a serological test to detect b...

Question 20

Monoclonal antibodies are used in diagnostic tests and disease treatments because they

Accepted Answer

A)   can be produced in large quantities.
B)   are highly specific.
C)   contain a mixture of antibodies.
D)   are highly specific and they can be produced in large quantities.
E)   are highly specific, they can be produced in large quantities, and they contain a mixture of antibodies.F) None of the above
G) A) and B)

Exam 18: Practical Applications of Immunology

Inactivated tetanus toxin is a(n)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Western blotting uses antibodies to detect specific proteins in a mixture of proteins.

Correct Answer
verified

Haemophilus capsule polysaccharide plus diphtheria toxoid is a(n)

Correct Answer
verified

Correct Answer
verified

In a vaccine preparation, the term ʺattenuatedʺ means that the agent does NOT replicate.

Correct Answer
verified

A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen antibody reaction is called a(n)

Correct Answer
verified

The home pregnancy test kit is an example of a direct ELISA.

Correct Answer
verified
True

Which of the following is NOT an advantage of live attenuated vaccine agents?

Correct Answer
verified
A

Dead Bordetella pertussis can be used in a(n)

Correct Answer
verified

In an immunodiffusion test to diagnose histoplasmosis, a patientʹs serum is placed in a well in an agar plate. In a positive test, a line forms as the serum diffuses from the well and meets material diffusing from a second well. What type of test is this?

Correct Answer
verified

A reaction between an antibody and soluble antigen-forming lattices is called a(n)

Correct Answer
verified

A patient shows the presence of antibodies against diphtheria toxin. Which of the following statements is FALSE?

Correct Answer
verified

A reaction between antibody and particulate antigen is called a(n)

Correct Answer
verified

What type of vaccine involves host synthesis of viral antigens?

Correct Answer
verified
A

An ELISA for Hepatitis C has 95 percent sensitivity and 90 percent specificity. This means that the test

Correct Answer
verified

A highly specific diagnostic test will be unlikely to indicate a positive result if a specimen being tested is a true negative.

Correct Answer
verified

Design a serological test to detect botulinum toxin in food.

Correct Answer
Answered by ExamLex AI
To design a serological test to detect b...
View Answer

Monoclonal antibodies are used in diagnostic tests and disease treatments because they

Correct Answer
verified

Exam 18: Practical Applications of Immunology

Inactivated tetanus toxin is a(n)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Western blotting uses antibodies to detect specific proteins in a mixture of proteins.

Correct AnswerverifiedShow Answer

Haemophilus capsule polysaccharide plus diphtheria toxoid is a(n)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In a vaccine preparation, the term ʺattenuatedʺ means that the agent does NOT replicate.

Correct AnswerverifiedShow Answer

A reaction that uses the absence of hemolysis of red blood cells to indicate an antigen antibody reaction is called a(n)

Correct AnswerverifiedShow Answer

The home pregnancy test kit is an example of a direct ELISA.

Correct AnswerverifiedTrue

Which of the following is NOT an advantage of live attenuated vaccine agents?

Correct AnswerverifiedA

Dead Bordetella pertussis can be used in a(n)

Correct AnswerverifiedShow Answer

In an immunodiffusion test to diagnose histoplasmosis, a patientʹs serum is placed in a well in an agar plate. In a positive test, a line forms as the serum diffuses from the well and meets material diffusing from a second well. What type of test is this?

Correct AnswerverifiedShow Answer

A reaction between an antibody and soluble antigen-forming lattices is called a(n)

Correct AnswerverifiedShow Answer

A patient shows the presence of antibodies against diphtheria toxin. Which of the following statements is FALSE?

Correct AnswerverifiedShow Answer

A reaction between antibody and particulate antigen is called a(n)

Correct AnswerverifiedShow Answer

What type of vaccine involves host synthesis of viral antigens?

Correct AnswerverifiedA

An ELISA for Hepatitis C has 95 percent sensitivity and 90 percent specificity. This means that the test

Correct AnswerverifiedShow Answer

A highly specific diagnostic test will be unlikely to indicate a positive result if a specimen being tested is a true negative.

Correct AnswerverifiedShow Answer

Design a serological test to detect botulinum toxin in food.

Correct AnswerAnswered by ExamLex AITo design a serological test to detect b...View AnswerShow Answer

Monoclonal antibodies are used in diagnostic tests and disease treatments because they

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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True

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A

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A

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Correct Answer
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Correct Answer
Answered by ExamLex AI
To design a serological test to detect b...
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