OpenStax Microbiology Test Bank Chapter 20: Laboratory Analysis of the Immune Response
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OpenStax Microbiology
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OpenStax Microbiology
OpenStax Microbiology Test Bank Chapter 20: Laboratory Analysis of the Immune Response * = Correct answer Multiple Choice 1. Most antigens have how many epitopes? A. none B. one C. two D. more than two* Difficulty: Easy ASM Standard: N/A 2. Which best describes monoclonal antibodies? A. They are pr...
openstax microbiology test bank chapter 20 laboratory analysis of the immune response correct answer multiple choice 1 most antigens have how many epitopes a none b one c two d more than tw
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OpenStax Microbiology Test Bank Chapter 20: Laboratory Analysis of the Immune
Response
* = Correct answer
Multiple Choice
1. Most antigens have how many epitopes?
A. none
B. one
C. two
D. more than two*
Difficulty: Easy
ASM Standard:
N/A
2. Which best describes monoclonal
antibodies?
A. They are produced in living animals only.
B. They are produced in tissue cultures, using B cells extracted from living animals.*
C. They are rarely used, so polyclonal antibodies are preferred.
D. They can be produced in either living animals or tissue cultures.
Difficulty: Easy
ASM Standard:
N/A
,3. A hybridoma is which of the following?
A. a cancerous cell
B. a fusion of a B cell and a T cell
C. a fusion of a normal B cell and a myeloma cell*
D. a hybrid of two cancerous cells
Difficulty: Easy
ASM Standard:
N/A
4. Which is the correct term for a visible antigen-antibody complex?
A. epitope
B. heavy chain complex
C. hybridoma
D. precipitin*
Difficulty: Easy
ASM Standard:
N/A
5. Monoclonal antibodies bind to which of the following?
A. a single epitope*
B. a single hybridoma
C. multiple epitopes
D. variable numbers of epitopes
Difficulty: Easy
ASM Standard:
N/A
6. Double immunodiffusion is also known as which of the following?
A. flocculation assay
B. Ouchterlony assay*
C. precipitin ring test
D. radial immunodiffusion assay
Difficulty:
ModerateASM
Standard: N/A
7. Which technique is used to help view tissues, using microscopy?
A. electrophoresis
B. immunostaining*
C. lateral flow assays
, D. western blotting
Difficulty: Easy
ASM Standard:
32
8. Which technique could be useTdEtS
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raB lyKdS gnLoLseEsRtr.ep
iaE COthM
roat or mycoplasma
pneumonia by labeling bacteria with fluorescent monoclonal antibodies?
A. brightfield microscopy and ELISA techniques
B. fluorescence microscopy and direct fluorescent antibody techniques*
C. immunohistochemistry and immunostaining techniques in varying combinations
D. western blotting with chromogens or fluorogens
Difficulty: Easy
ASM Standard:
32
9. Which of the following describes antiserum?
A. a type of vaccine produced in the laboratory
B. antibodies obtained by exposing blood to an antigen in the lab
C. monoclonal antibodies obtained from the blood of an animal injected with an
antigen
D. whole serum containing antibodies obtained from an animal exposed to an antigen*
Difficulty:
ModerateASM
Standard: N/A
10. When does an antibody test result in a false positive?
A. An individual tests as though she does not have the antigen even though she does.
B. An individual tests as though she has the antigen even though she does not.*
C. Antibodies bind to the antigen too strongly, causing an error in the testing protocol.
D. Variations in antibodies cause them to fail to bind to an antigen that is present.
Difficulty:
ModerateASM
Standard: N/A
11. Test sensitivity is defined as which of the following?
A. the probability that an individual will have a false-positive test result
B. the probability that an individual with an infection will test positive*
C. the probability that an individual with an infection will test negative
D. the probability that a test will detect multiple antigens simultaneously
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