PRCHa occur in nonimmunized chldren tro phtherotoxin and Toxemia: Although infec

Question

PRCHa occur in nonimmunized chldren tro phtherotoxin and Toxemia: Although infection in necessary for disease, the baaie pathogenicity is the production of diphtherotoxin. Wi e following is INCORRECT? a) di phtherotoxin is produced by toxigenic strains of C. diphtheriae toxigenic strains of C. diphtheriae carry the structural gene for toxin producon the structural gene for toxin production is acquired from bacteriophages e) none of the above is correct ontent imparts the 76, The genus Mycobactertum contains mycollc acids. This high llpid c characteristic of acid-fastness. T or F FACT]Mycobacterium tuberculosts: Pactors that affect a person's susceptibility to tu nutrition, a weak immune system, poor access to medical care, lung damage, and gen etics 77 Esti ctually develop a clinical case of ates project that about 20% to 30% ofin fected people " tuberculosis. Tor F 78. Regarding pertussis, which of the following is INCORRECT? a) pertussis is known as whooping cough b) the pathogen belongs to the genus Bordetella infants have the highest incidence rate and accounting for the majority of deaths d) due e) all of the above are correct arily to a vaccination campaign in the U.S., cases have dropped significantly CHAPTER 20 79. What virulence factor is common to all Gram-negative bacilli? a) Capsule b) Exotoxin c) Endotoxin d) DNase e) Hemolysin 80. What genus of organisms is important as decomposers and bioremediators? a) Pseudomonas b) Brucella c) Francisella d) Bordetella e) Alcaligenes 81. What is/are the chief reservoirls) for Francisella tularensis? a) domestic animals b) ticks and biting flies c) humans and other large primates d) rabbits and rodents e) soil [FACT] A Michigan health official has been sentenced to a year's probation for not tellin about an outbreak of Legionnaires' disease during the Flint water conta people fell ill [morbidity] during the outbreak and twelve people died [mortalit 82. How are Legionella species transmitted from their natural habitats to humans? mination scandal. Nearly 100 a) aerosols b) dust c) contaminated food d) contaminated drinking water e) by vectors

Explanation / Answer

1. D

2. True

3. False

4. Infants have a higher risk and accounting for the majority of death

5. Endotoxin

6. Pseudomonas

7. Soil

8. Aerosol

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