ENTO 3003 EXAM SAMPLE TEST –
132 QUESTIONS AND ANSWERS
2026 UPDATE
A study which evaluates the number of new cases of a disease that occurs during a
specified time period in a population at risk for developing the disease is measuring
prevalance - Answer- false
a pathogen can only be transferred into human food by direct mechanical transmission -
Answer- false
2 factors that can increase prevalence rates: - Answer- -immigration of ill cases
-emigratation of healthy persons
2 factors that can decrease prevalence rates: - Answer- -immigration of healthy cases
-emigration of ill cases
organochlorines - Answer- GABA
milbemycins - Answer- Cl
avermectins - Answer- AChE
Pyrethroids - Answer- Na
carbamates - Answer- AChE
organophosphates - Answer- Cl
what chemical class contained DDT and Lindane? - Answer- organochlorides
name 3 insects that could be considered a food safety risk: - Answer- flies
beetles
mosquitoes
swine mange is caused by - Answer- sarcoptic mites
what will increase horn fly resistance? - Answer- if an ear tag fails then retag with
another insecticide class
onchocerciasis is a non-life threatening condition caused by: - Answer- threadworms
, what animal does avian flu I not cycle through - Answer- lizards
which disease presents with mouth sores (like foot and mouth disease), and can be
transmitted by both flies and direct contact? - Answer- vesicular stomatitis virus
________ tabanids feed on animals in pastures - Answer- female
________ is a behavior exhibited by cattle attacked by the heel fly - Answer- gadding
the northern fowl mite is the most important external parasite of __________ - Answer-
poultry
what is the toxic compound produced by blister beetles? - Answer- cantharidin
which of the following pathogens is NOT primarily transmitted by ticks? - Answer- all:
babesisosis
east coast fever
heartwater
bovine anaplasmosis
which CAFO pathogen utilizes wild reservoirs like bison and elk? - Answer- brucella
aborta
the feeding punctures of sheep keds, causes a condition known as _________ in
tanned goat hides - Answer- cockles
the best method of stable fly control for pastured cattle is - Answer- sanitation
face flies overwinter as _______ and seek out the same _______ - Answer- adults &
hibernaculum
a face fly has a calcified pupae that ________ - Answer- prevents parasitization
what is the main difference between summer and dairy mastitis - Answer- summer only
found in non-lactating animals
which pest can transmit both sweet itch in horses as well as the bluetongue virus in
cattle and sheep? - Answer- biting midges
beef producers lose millions of dollars due to arthropod pests by: - Answer- all:
direct physical harm and damage
reduced weight gains
treatment of diseases transmitted by arthropods
132 QUESTIONS AND ANSWERS
2026 UPDATE
A study which evaluates the number of new cases of a disease that occurs during a
specified time period in a population at risk for developing the disease is measuring
prevalance - Answer- false
a pathogen can only be transferred into human food by direct mechanical transmission -
Answer- false
2 factors that can increase prevalence rates: - Answer- -immigration of ill cases
-emigratation of healthy persons
2 factors that can decrease prevalence rates: - Answer- -immigration of healthy cases
-emigration of ill cases
organochlorines - Answer- GABA
milbemycins - Answer- Cl
avermectins - Answer- AChE
Pyrethroids - Answer- Na
carbamates - Answer- AChE
organophosphates - Answer- Cl
what chemical class contained DDT and Lindane? - Answer- organochlorides
name 3 insects that could be considered a food safety risk: - Answer- flies
beetles
mosquitoes
swine mange is caused by - Answer- sarcoptic mites
what will increase horn fly resistance? - Answer- if an ear tag fails then retag with
another insecticide class
onchocerciasis is a non-life threatening condition caused by: - Answer- threadworms
, what animal does avian flu I not cycle through - Answer- lizards
which disease presents with mouth sores (like foot and mouth disease), and can be
transmitted by both flies and direct contact? - Answer- vesicular stomatitis virus
________ tabanids feed on animals in pastures - Answer- female
________ is a behavior exhibited by cattle attacked by the heel fly - Answer- gadding
the northern fowl mite is the most important external parasite of __________ - Answer-
poultry
what is the toxic compound produced by blister beetles? - Answer- cantharidin
which of the following pathogens is NOT primarily transmitted by ticks? - Answer- all:
babesisosis
east coast fever
heartwater
bovine anaplasmosis
which CAFO pathogen utilizes wild reservoirs like bison and elk? - Answer- brucella
aborta
the feeding punctures of sheep keds, causes a condition known as _________ in
tanned goat hides - Answer- cockles
the best method of stable fly control for pastured cattle is - Answer- sanitation
face flies overwinter as _______ and seek out the same _______ - Answer- adults &
hibernaculum
a face fly has a calcified pupae that ________ - Answer- prevents parasitization
what is the main difference between summer and dairy mastitis - Answer- summer only
found in non-lactating animals
which pest can transmit both sweet itch in horses as well as the bluetongue virus in
cattle and sheep? - Answer- biting midges
beef producers lose millions of dollars due to arthropod pests by: - Answer- all:
direct physical harm and damage
reduced weight gains
treatment of diseases transmitted by arthropods
