IB1090921 Fleas and plague

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IB1090921 Fleas and plague
March 11, 2009, Pages 210-219
1. Fleas belong to the order ______________.
2. True or False: All adult fleas are wingless.
3. The mouthpart of a flea that slices the skin of its host is the
a. epipharynx
b. labrum
c. lacinia
d. trochanter
4. What is resilin?
5. Tunga penetrans is known as the ________ ________.
5. While adult fleas feed on _____________, larval fleas feed primarily on ___________.
6. Which of the following mammals is (are) not likely to harbor fleas?
a. rabbit b. wolf
c. horse
d. buffalo
What is the term that describes the type of young that herd animals have?
7. How is Spilopsyllus cuniculi an unusual flea?
8. What is myxomatosis?
a. a bacterium carried by fleas that infects humans
b. a viral disease vectored by fleas that infects rabbits
c. a protozoan parasite that is carried by fleas and infects dogs
d. a fungal pathogen of fleas that is used for biocontrol
9. Match the common name with the scientific name:
Ctenocephalides felis
Xenopsylla cheopis
Pulex irritans
Human flea
Oriental rat flea
Cat flea
10. How much is spent annually in the U.S. for flea control for cats and dogs?
a. $1,000,000
b. $10,000,000
c. $100,000,000
d.
$1,000,000,000
11. The principal host of the Oriental rat flea is the
a. Oriental rat
b. black rat
c.. brown rat
d. kangaroo rat
12. Yersinia pestis is a a. bacterium
d. virus
b. virus
c. nematode
13. Why was bubonic plague known as the Black Death?
Why is it known as bubonic plague?
14. Plague is/is not fatal to a flea.
15. The three forms of plague are_________, _____________, and ______________.
16. Where is the inveterate focus of Yersinia pestis?
a. W. North America b. Middle East/Central Asia c. E. Europe
What is meant by an inveterate focus?
D. Pacific Ocean
17. What’s the difference between an epidemic and a pandemic?
18. In what centuries did the first, second, and third pandemics of plague occur?
first-- second-third19. Describe how the great pandemic of the fourteenth century led to:
a. the rise of the middle class
b. proliferation of religious sects
c. themes of death and misery in art
20. What contributions did the following individuals make with respect to understanding
the nature of plague?
a. Alexandre Yersin
b. Shibasaburo Kitasato
c. Charles Rothschild
d. Paul-Louis Simond
e. Vladimir Haffkine
21.When did bubonic plague first appear in the continental United States?
a. 1800
b. 1900
c. 1950
d. 1990
22. Which nation experimented with plague and fleas as biological warfare agents in
WWII?
a. Nazi Germany
b. Soviet Union
c. Imperial Japan
d. United States
23. Worldwide, how many cases of plague occur annually?
a. 100-300
b. 1000-3000
c. 10,000-30,000
d. 100.000-300,000
24. Where in the United States is plague a problem?
25. What country is thought to have experimented with antibiotic-resistant plague as a
biological warfare agent?
a. Nazi Germany
b. Soviet Union
c. Imperial Japan
d. United States
26. What are the characteristics of a Category A bioterrorism threat?
a.
b.
c.
23. Name two other Category A agents that are vectored by arthropods:
a.
b.
24. Tularemia is vectored by
a. ticks and deer flies b. ticks and fleas
c. fleas and deer flies d. mosquitoes
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