EHST 2110 Final Exam Review Questions and AnswersEHST 2110 Final Exam Review Questions and AnswersEHST 2110 Final Exam Review Questions and AnswersEHST 2110 Final Exam Review Questions and Answers
Which of the following would be a likely target of public health efforts to control breeding of the a...
EHST 2110 Final Exam Review
Questions and Answers
Which of the following would be a likely target of public health efforts to control breeding of the
asian tiger mosquito? - ANSWER - tire casings
Acquisition of a hantavirus infection occurs more frequently as a consequence of: - ANSWER -
contact with rodent or dried rodent droppings
Fleas transmit what disease? - ANSWER - bubonic plague
The first large scale use of DDT occured in Italy in 1943 when the insecticide was used for
dusting refugees in a successful attempt to prevent an outbreak of a deadly disease spread by
body lice which frequently occurs under wartime conditions of overcrowding and poor sanitation.
What disease did DDT prevent in this situation? - ANSWER - typhus fever
What was the name of the chemical defoliant used by the U.S military during the Viet Nam war?
- ANSWER - Agent Orange
The mosquito-borne illness of greatest concern in the U.S today is: - ANSWER - west nile virus
Which of these pests is problem bc its bite results in a painful ulceration which may take months
to heal and leaves a large, permanent ugly scar - ANSWER - brown recluse spider
Define Vectors - ANSWER - transmitters of disease
At what stage of development are mosquitoes effectively eliminated? - ANSWER - larve stage
Which of the following insects could not be controlled through use of a stomach poison -
ANSWER - mosquito
, In which of the following groups of organisms would you expect to see the greatest effects of
pesticide biomagnifications? - ANSWER - quaternary consumers? (i.e pelicans)
What are the components of integrated pest management - ANSWER - 1) chemical 2) biological
3)physical & mechanical 4) cultural
What serious health problem often affects children living in cockroach infested residencies? -
ANSWER - asthma
Of all the vectors of disease which are considered the worst? (responsible for more deaths) -
ANSWER - mosquitoes
What is the definition of zoonosis? - ANSWER - a disease that can be transmitted to humans
from animals.
For what accomplishment did Paul Muller receive a Nobel Prize in 1948? - ANSWER -
discovered that DDT is effective for killing insects
What is the basic cause of phenomenon known as "secondary pest outbreaks"? - ANSWER -
Population explosion of formerly insignificant pests which become economically important after
spraying eliminates most of their natural enemies
What book by Rachel Carson, published in 1962, first alerted the general public to the problems
posed by pesticides? - ANSWER - silent springs
Name 2 plants that are considered pest - ANSWER - poison ivy and poison oak
What is the marking scar that is associated with Lyme's disease? - ANSWER - bulls eye
List the 3 types of insecticides - ANSWER - 1) stomach poison
2) contact poison
3) fumigants
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