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Which of the following lyse erythrocytes to make iron available to pathogens?


A) hyaluronidase
B) collagenase
C) hemolysins
D) coagulase

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Colonization specifically refers to the multiplication of a pathogen on or within a host, and includes the resulting tissue invasion and damage.

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The only organisms to produce endotoxins are gram-negative bacteria.

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Matching 1) reservoir 2) fomite 3) opportunistic 4) nosocomial A. does not harm a healthy host B. develops during a hospital stay C. site where the pathogen normally resides D. inanimate object that may be involved in transmission

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A ________________ infection is a disease caused by a parasitic organism that is normally found in animals other than humans.

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An infectious disease process caused by bacterial or fungal toxins in the blood is called


A) septicemia.
B) systemic.
C) toxemia.
D) phytogenic.

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An __________ pathogen can cause disease in a host with impaired resistance.

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The toxic component of lipopolysaccharide is called


A) lipid A
B) exotoxin.
C) hemolysin.
D) O antigen polysaccharide.

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Inanimate materials involved in pathogen transmission are called reservoirs.

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Pathogenicity islands are typically associated with


A) genes encoding tRNA.
B) genes encoding rRNA.
C) G+C content similar to the rest of the bacterial genome.
D) none of the choices

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