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1 | |
A living microbe with reduced virulence that is used for vaccination is considered |
| | A) | a toxoid |
| | B) | attenuated |
| | C) | denatured |
| | D) | an adjuvant |
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2 | |
A vaccine that contains parts of viruses is called |
| | A) | subcellular |
| | B) | recombinant |
| | C) | subunit |
| | D) | attenuated |
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3 | |
Widespread immunity that protects the population from the spread of disease is called |
| | A) | seropositivity |
| | B) | cross-reactivity |
| | C) | epidemic prophylaxis |
| | D) | herd immunity |
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4 | |
DNA vaccines contain ______ DNA that stimulates cells to make _______ antigens. |
| | A) | human, RNA |
| | B) | microbial, protein |
| | C) | human, protein |
| | D) | microbial, polysaccharide |
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5 | |
Administration of immune serum globulin is a form of _______ immunization that _______ |
| | A) | active, prevents infection |
| | B) | passive, provides long-term immunity |
| | C) | therapeutic, prevents disease |
| | D) | prophylactic, stimulates the immune system. |
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6 | |
In agglutination reactions, the antigen is a ______; in precipitation reactions, it is a _______ |
| | A) | soluble molecule, whole cell |
| | B) | whole cell, soluble molecule |
| | C) | bacterium, virus |
| | D) | protein, carbohydrate |
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7 | |
Which reaction requires complement? |
| | A) | hemagglutination |
| | B) | precipitation |
| | C) | hemolysis |
| | D) | toxin neutralization |
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8 | |
A patient with a ______ titer of antibodies to an infectious agent has greater protection than a patient with a _______ titer. |
| | A) | high, low |
| | B) | low, high |
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9 | |
Direct immunofluorescence tests use a labeled antibody to identify _______ |
| | A) | an unknown microbe |
| | B) | an unknown antibody |
| | C) | fixed complement |
| | D) | precipitins |
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10 | |
The Western blot test can identify |
| | A) | unknown antibodies |
| | B) | unknown antigens |
| | C) | specific DNA |
| | D) | both a and b |
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11 | |
An example of an in vivo serological test is |
| | A) | indirect immunofluorescence |
| | B) | radioimmunoassay |
| | C) | tuberculin test |
| | D) | complement fixation |
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2002 McGraw-Hill Higher Education