Part B- Multiple Choice
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Which of the following antibodies is not a monomer? | IgA
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| Microbiota | May be an opportunistic pathogen
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| Which of the following definitions is INCORRECT? | epidemic: a disease that is endemic across the world
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| A nosocomial infection is | acquired during the course of hospitalization
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| Which of the following recognizes antigens displayed on host cells with MHC II? | TH Cell
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| The Koch's work is used to determined that | Microorganisms cause disease
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| One effect of washing regularly with antibacterial agents is the removal of normal microbiota. This can result in | Increased susceptibility to desease
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| Which of the following can contribute to postoperative infections? | -Normal microbiota on the operating room staff
-Errors in aseptic technique
-Using syringes more than once
-Abx resistance
(all of the above)
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| Endotoxins are | Part of the gram-negative cell wall
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| Cytopathic effects are changes in host cells due to | Viral infections
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| Which of the following does NOT contribute to the virulence of a pathogen? | -Numbers of invading microorganisms
-Cell wall
-Toxins
-Enzymes
-(All of these contribute to virulence)
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| Which of the following destroys virus-infected cells? | Tc
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| Which organism most easily causes an infection? | Legionella pneumophila
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| Activation of C5-C9 results in | Leakage of cell contents
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| What type of immunity results from vaccination? | artificially acquired active immunity
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| Which of the following is involved in resistance to parasitic helminths? | monocytes
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| A patient shows the presence of antibodies against diphtheria toxin. Which of the following statements is false | The patient was near someone who had the disease.
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| Live polio virus can be used in a(n) | Attenuated whole-agent vaccine
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| Dead Bordetella pertussis can be used in a(n) | Inactivated whole-agent vaccine
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| The ability of some microbes, such as Trypanosoma or Giradia to alter their surface molecules and evade destruction by the host's antibodies is called | antigenic variation
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| Botulism is caused by ingestion of a proteinaceous exotoxin; therefore, it can easily be prevented by | boiling food prior to consumption
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| Which of the following statements is NOT a possible outcome of antigen-antibody reaction? | clonal deletion
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| Which of the following cells is NOT an APC? | Natural killer cells
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| Which of the following is NOT a characteristic of B cells? | They recognize antigens associated with MHC I.
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| Activation of C5-C9 results in | Leakage of cell contents
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| ____ is involved in resistance to parasitic helminths. | Monocytes
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| ___ destroys virus-infected cells. | Tc
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| Cytopathic effects are changes in host cells due to? | Viral infections
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| __ Cells recognizes antigens displayed on host cells with MHC II. | B
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| ___ Cells is NOT an APC. | Natural Killer
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| _____ is NOT a characteristic of B cells. | They recognize antigens associated with MHC I
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| The ability of some microbes, such as Trypanosoma or Giardia to alter their surface molecules and evade destruction by the host's antibodies is called | antigenic variation
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| All of these are Reservoirs of infection | A sick person
A hospital
Wild animals
Soil
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| Which organism most easily causes an infection? | Legionella pneumophila
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