Lecture 23 - Ch 34 Vectorborne & Soilborne Microbial Pathogens Flashcards Preview

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Flashcards in Lecture 23 - Ch 34 Vectorborne & Soilborne Microbial Pathogens Deck (28)
1

Animal disease transmissible to humans

zoonosis

2

diseases in animals present endemically in certain populations

enzootic

3

incidences of diseases in animals reach epidemic proportions

epizootic

4

A negative-strand RNA virus that causes rabies

Rhabdovirus

5

a member of the Bunyaviridae, enveloped, segmented, negative-strand RNA viruses that causes hemorrhagic fever

Hantavirus

6

small bacteria that have strict intracellular existence in vertebrates

rickettsias

7

what are the three groups of Rickettsias

(1) typhus group, (2) spotted fever group, and (3) ehrlichiosis group

8

Transmitted by the body or head louse bite that gets contaminated with louse feces

typhus

9

Transmitted by dog and wood ticks

spotted fever group

10

this disease has Flu-like symptoms include fever, headache, malaise, and leukopenia or thrombocytopenia

ehrlichiosis

11

the most famous disease caused by Borellia

lyme disease

12

what are the 3 stages of Lyme Disease?

1) localized infection
2) disseminated infection
3) persistent infection

13

in which stage of lyme disease do you see a "target" bite site?

Stage 1

14

in which stage of lyme disease does the bacteria leave the site and enter the bloodstream?

Stage 2

15

disease transmitted by Anopheles mosquitoes as vectors

malaria

16

Diagnosis of this disease requires identification of Plasmodium-infected erythrocytes in blood smears

Malaria

17

seasonal disease carried by mosquitoes

West Nile Virus

18

___________ has caused more human deaths than any other infectious disease except for malaria and tuberculosis

Pandemic plague

19

what causes plague?

Yersinia pestis

20

which plague killed 60% of the human population?

Black plague

21

What was the first recorded plague?

Plague of Justinian

22

What are the 3 mechanisms that fungi cause disease?

1) allgergic response
2) mycotoxins
3) infections

23

Fungi colonize the hair, skin, or nails and infect only the surface layers

superficial mycoses

24

Fungi colonize deeper layers of skin

subcutaneous mycoses

25

Fungal growth in internal organs of the body

systemic mycoses

26

__________can be especially serious in individuals with an impaired immune system

Fungal infections

27

which bacteria causes lockjaw

clostridium tetani

28

this disease can be transmitted through the soil

tetanus