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ENTOMOLOGY EXAM 2 QUESTIONS WITH DETAILED VERIFIED ANSWERS; ALREADY GRADED A+

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This document contains a ENTOMOLOGY model examination with final exam review questions and answers. It tests knowledge on various MICROBIOLOGY topics

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ENTOMOLOGY EXAM 2 QUESTIONS WITH
DETAILED VERIFIED ANSWERS / ALREADY
GRADED A / 2025




• What are vectors? - ANS-They are what carry the disease

• What are Hosts? - ANS-They are what the disease infects

• What are Agents? - ANS-They are the types of Vectors such as Biological, Chemical, and Physical

• What are the objectives of epidemiology? How do they differ from clinical medicine?
• biological agents- - ANS-Viruses, Bacteria, Parasites, or prions

• Chemical agents- - ANS-Toxins Man-made (Dioxins and melamine) Inorganic/organic: zearalenone
(mycotoxin in cereals fed to livestock (pigs)

• physical agents- - ANS-Foreign bodies (nails, horns etc) Trauma, Radiation, Plants

• Endemic- - ANS-The constant occurrence of a disease that Commonly presents in a particular place
with stability in the level of infection

• Epidemic- - ANS-The occurrence of a disease that the level of infection exceeds that normal
expectancy in a specific region, spreads rapidly and usually lasts for a limited period of time

• What is incidence rate? Can you do the math to get an answer? - ANS-Measures the rapidity with
which newly diagnosed cases of the disease of interest develop
- observe a population
- count # of new cases
- measure net time

• What is prevalence rate? - ANS-A slice thru a population at a given point in time that determines who
has the disease and who does not.

• What are the two different types? - ANS-Point prevalence- point in time, and Period prevalence-
during a defined range of time

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