REHS Study Guide Questions || A+ Graded Already.
What is the depth at which flies can emerge from a landfill? correct answers 6 inches
compacted and 5 inches noncompacted
Why is the use of cooper sulfate crystals recommended for some septic tanks systems correct
answers It will destroy roots that the solutions comes in contact with
What is the overall purpose of bar screens, comminutors, and grit chambers when it comes to
wastewater treatment? correct answers It removes larger solid
What is the most plentiful form of available water? correct answers Groundwater
What are Waterborne Diseases? correct answers Results from ingestion of water that is
harboring a pathogen example: Typhoid fever.
What are Water-washed Diseases? correct answers Spread by fecal-oral route or person to
person contact. Facilitated by lack of personal hygiene.
What are Water-based Diseases? correct answers Caused by infection arising through
ingestion of pathogenic agent Example: guinea worm larvae, Termatode larvae.
What are Water-related Diseases? correct answers Facilitated by insects vector that breed in
water: example filariastus abthropods that carry Dengue fever.
What are Inhalation of contaminated water aerosols? correct answers Legionella
Pneumophila
What is the ecologic agent of cyclosporiasis? correct answers Cyclospora Cayetanensis
What food is associated with cyclosporiasis? correct answers Imported Raspberries, Lettuce
form South America
Most waterborne disease fatalities occurred before 1940 and were attributed to the
waterborne illness? correct answers Typhoid Fever
Waters suitable for drinking water supplies and shellfish rearing are monitored routinely for?
correct answers Microbiological Quality
Only what % of the global content of water constitutes fresh water? correct answers 2.6 or 3
Percent
What is a waterborne disease that can be prevented through vaccinations is ? correct answers
Typhoid Fever or Cholera
The World Health Organization (WHO) estimates that ______% of all diseases are
attributable to inadequate water or sanitation correct answers 80 Percent
,Viral infections readily spread through drinking water, food and water-contact recreation
activities due to what? correct answers The low infectious dose for pathogenic viruses and
protoza.
Shigellosis: correct answers A bacteria
What is the specific agent for shingellosis? correct answers Genus shingella Example:
flexneri, sonnei, boydlii, and dysenteriae
What is the Reservoir for shingellosis? correct answers Feces of carriers and infected persons
What are the symptoms of shingellosis? correct answers Acute onset with diarrhea, fever,
tenesmus, frequent stools containing blood and mucus.
What is the incubation for shingellosis? correct answers 1-7 days, usually less than 4 days
Botulism correct answers Bacterial toxin
What is the specific agent for botulism? correct answers Clostridium botulinum and c para
botulinum that produce toxins
What is the reservoir for botulism? correct answers Soil, dust, fruits, veggies, food, mud, fish,
animals and human feces.
What are the symptoms of botulism? correct answers GI pain, diarrhea or constipation,
prostration, difficulty swallowing, double vision, difficulty in respiration.
What is the incubation period of botulism? correct answers 2 hours to 8 days, usually 12-36
hours
Bacillus Cereus Food poisioning (Emetic Type) correct answers Emetic= vomiting bacterial
toxins
What are the specific agent for Bacillus Cereus (Emetic Type)? correct answers Bacillus
Cereus, Toxins heat stable
What is the reservoir for Bacillus Cereus (Emetic Type)? correct answers Spores found in
wide variety of cereals, spices, veggies, and milk.
What are the symptoms for Bacillus Cereus (Emetic Type)? correct answers Vomiting,
diarrhea, and nausea
What is the incubation period for Bacillus Cereus (Emetic Type)? correct answers 1- 6 hours
Bacillus Cereus Food poisioning (Diarrheal Type) correct answers Bacterial toxins
What is the specific agent for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers Bacillus cereus, toxin heat stable
,What is the reservoir for Bacillus Cereus Food poisioning (Diarrheal Type)? correct answers
Spores found in wide variety of cereals, spices, veggies, and milk.
What are the symptoms for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers Diarrhea, cramps, and vomiting sometimes
What is the incubation period for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers 6-16 hours
Typhoid Fever correct answers Bacteria
What is the specific agent for typhoid fever? correct answers Typhoid bacillus, salmonella
typhi
What is the reservoir for typhoid fever? correct answers Feces and urine of typhoid carrier in
patient
What are the symptoms of typhoid fever? correct answers General infection characterized by
continued fever, usually rose spots on the trunk and diarrhea disturbances.
What is the incubation period for typhoid fever? correct answers Average 14 days, usually 7-
21 days
Campylobacter Enteritis correct answers Bacteria
What is the specific agent of Campylobacter Enteritis correct answers Campylobactor Jejuni
What is the reservoir of Campylobacter Enteritis? correct answers Chickens, swine, dogs,
cats, human, raw milk, contaminated H2O
What are the symptoms of Campylobacter Enteritis? correct answers Watery diarrhea,
abdominal pain, fever, chills, nausea, vomiting, blood in stool
What is the incubation period for Campylobacter Enteritis? correct answers 1- 10 days, 2-5
days average
Amebiasis correct answers Protozoa
What is the specific agent for amebiasis? correct answers Entamoeba histoltica
What is the reservoir for amebiasis? correct answers Bowel discharge of carriers, and infected
persons, possibly rats
What are the symptoms of amebiasis? correct answers Insidious and undermined onset of
diarrhea or constipation, loss of appetite, abdominal discomfort, and blood mucus in stool
What is the incubation period of amebiasis? correct answers 5 days or longer, average 2-4
weeks
Staphylococcus Food Poisoning correct answers Bacterial Toxins
, What is the specific agent of Staphylococcus Food Poisoning? correct answers Staphylococci
that produces entero-toxin, staphylococcus aureus toxin is stable at boiling temperature
What are the reservoir of Staphylococcus Food Poisoning? correct answers Skin, mucus
membranes, pus, dust, air, sputum and throat
What are the symptoms of Staphylococcus Food Poisoning? correct answers Acute nausea,
vomiting and prostration, diarrhea, abdominal cramps usually explosive in nature, followed
by recovery.
What is the incubation period of Staphylococcus Food Poisoning? correct answers 1-6 hours
or longer, average 2-4 hours
Cholera correct answers Bacteria
What is the specific agent of cholera? correct answers Vibrio Comma
What is the reservoir of cholera? correct answers Feces, vomitus carriers
What are the symptoms of cholera? correct answers Diarrhea, rice-water stools, vomiting,
thirst, pain and coma
What is the incubation period of cholera? correct answers A few hours- 5 days, usually 3
days
Yersiniosis correct answers Bacteria
What are the specific agent of Yersiniosis? correct answers Yersinia entercolitica, yersinia
pseu-dotuberculosis
What is the reservoir of Yersiniosis? correct answers Wild and domestic animals, birds,
humans, surface water
What are the symptoms of Yersiniosis? correct answers Diarrhea, cramps, fever, headache,
vomiting, skin rash, and pseudo-appendicitis
What is the incubation period of Yersiniosis? correct answers 3- 7 days, usually 2-3 days
Trichinosis correct answers Helminths
What is the specific agent of Trichinosis? correct answers Trichinella Spiralis
What is the reservoir of Trichinosis correct answers Pigs, bears, mild boars, rats, foxes and
wolves
What are the symptoms of Trichinosis? correct answers Nausea, vomiting, diarrhea, muscle
pain, swelling of face, and eyelids, and last difficultly breathing
What is the incubation period of Trichinosis? correct answers 2- 28 days, usually 9 days
What is the depth at which flies can emerge from a landfill? correct answers 6 inches
compacted and 5 inches noncompacted
Why is the use of cooper sulfate crystals recommended for some septic tanks systems correct
answers It will destroy roots that the solutions comes in contact with
What is the overall purpose of bar screens, comminutors, and grit chambers when it comes to
wastewater treatment? correct answers It removes larger solid
What is the most plentiful form of available water? correct answers Groundwater
What are Waterborne Diseases? correct answers Results from ingestion of water that is
harboring a pathogen example: Typhoid fever.
What are Water-washed Diseases? correct answers Spread by fecal-oral route or person to
person contact. Facilitated by lack of personal hygiene.
What are Water-based Diseases? correct answers Caused by infection arising through
ingestion of pathogenic agent Example: guinea worm larvae, Termatode larvae.
What are Water-related Diseases? correct answers Facilitated by insects vector that breed in
water: example filariastus abthropods that carry Dengue fever.
What are Inhalation of contaminated water aerosols? correct answers Legionella
Pneumophila
What is the ecologic agent of cyclosporiasis? correct answers Cyclospora Cayetanensis
What food is associated with cyclosporiasis? correct answers Imported Raspberries, Lettuce
form South America
Most waterborne disease fatalities occurred before 1940 and were attributed to the
waterborne illness? correct answers Typhoid Fever
Waters suitable for drinking water supplies and shellfish rearing are monitored routinely for?
correct answers Microbiological Quality
Only what % of the global content of water constitutes fresh water? correct answers 2.6 or 3
Percent
What is a waterborne disease that can be prevented through vaccinations is ? correct answers
Typhoid Fever or Cholera
The World Health Organization (WHO) estimates that ______% of all diseases are
attributable to inadequate water or sanitation correct answers 80 Percent
,Viral infections readily spread through drinking water, food and water-contact recreation
activities due to what? correct answers The low infectious dose for pathogenic viruses and
protoza.
Shigellosis: correct answers A bacteria
What is the specific agent for shingellosis? correct answers Genus shingella Example:
flexneri, sonnei, boydlii, and dysenteriae
What is the Reservoir for shingellosis? correct answers Feces of carriers and infected persons
What are the symptoms of shingellosis? correct answers Acute onset with diarrhea, fever,
tenesmus, frequent stools containing blood and mucus.
What is the incubation for shingellosis? correct answers 1-7 days, usually less than 4 days
Botulism correct answers Bacterial toxin
What is the specific agent for botulism? correct answers Clostridium botulinum and c para
botulinum that produce toxins
What is the reservoir for botulism? correct answers Soil, dust, fruits, veggies, food, mud, fish,
animals and human feces.
What are the symptoms of botulism? correct answers GI pain, diarrhea or constipation,
prostration, difficulty swallowing, double vision, difficulty in respiration.
What is the incubation period of botulism? correct answers 2 hours to 8 days, usually 12-36
hours
Bacillus Cereus Food poisioning (Emetic Type) correct answers Emetic= vomiting bacterial
toxins
What are the specific agent for Bacillus Cereus (Emetic Type)? correct answers Bacillus
Cereus, Toxins heat stable
What is the reservoir for Bacillus Cereus (Emetic Type)? correct answers Spores found in
wide variety of cereals, spices, veggies, and milk.
What are the symptoms for Bacillus Cereus (Emetic Type)? correct answers Vomiting,
diarrhea, and nausea
What is the incubation period for Bacillus Cereus (Emetic Type)? correct answers 1- 6 hours
Bacillus Cereus Food poisioning (Diarrheal Type) correct answers Bacterial toxins
What is the specific agent for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers Bacillus cereus, toxin heat stable
,What is the reservoir for Bacillus Cereus Food poisioning (Diarrheal Type)? correct answers
Spores found in wide variety of cereals, spices, veggies, and milk.
What are the symptoms for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers Diarrhea, cramps, and vomiting sometimes
What is the incubation period for Bacillus Cereus Food poisioning (Diarrheal Type)? correct
answers 6-16 hours
Typhoid Fever correct answers Bacteria
What is the specific agent for typhoid fever? correct answers Typhoid bacillus, salmonella
typhi
What is the reservoir for typhoid fever? correct answers Feces and urine of typhoid carrier in
patient
What are the symptoms of typhoid fever? correct answers General infection characterized by
continued fever, usually rose spots on the trunk and diarrhea disturbances.
What is the incubation period for typhoid fever? correct answers Average 14 days, usually 7-
21 days
Campylobacter Enteritis correct answers Bacteria
What is the specific agent of Campylobacter Enteritis correct answers Campylobactor Jejuni
What is the reservoir of Campylobacter Enteritis? correct answers Chickens, swine, dogs,
cats, human, raw milk, contaminated H2O
What are the symptoms of Campylobacter Enteritis? correct answers Watery diarrhea,
abdominal pain, fever, chills, nausea, vomiting, blood in stool
What is the incubation period for Campylobacter Enteritis? correct answers 1- 10 days, 2-5
days average
Amebiasis correct answers Protozoa
What is the specific agent for amebiasis? correct answers Entamoeba histoltica
What is the reservoir for amebiasis? correct answers Bowel discharge of carriers, and infected
persons, possibly rats
What are the symptoms of amebiasis? correct answers Insidious and undermined onset of
diarrhea or constipation, loss of appetite, abdominal discomfort, and blood mucus in stool
What is the incubation period of amebiasis? correct answers 5 days or longer, average 2-4
weeks
Staphylococcus Food Poisoning correct answers Bacterial Toxins
, What is the specific agent of Staphylococcus Food Poisoning? correct answers Staphylococci
that produces entero-toxin, staphylococcus aureus toxin is stable at boiling temperature
What are the reservoir of Staphylococcus Food Poisoning? correct answers Skin, mucus
membranes, pus, dust, air, sputum and throat
What are the symptoms of Staphylococcus Food Poisoning? correct answers Acute nausea,
vomiting and prostration, diarrhea, abdominal cramps usually explosive in nature, followed
by recovery.
What is the incubation period of Staphylococcus Food Poisoning? correct answers 1-6 hours
or longer, average 2-4 hours
Cholera correct answers Bacteria
What is the specific agent of cholera? correct answers Vibrio Comma
What is the reservoir of cholera? correct answers Feces, vomitus carriers
What are the symptoms of cholera? correct answers Diarrhea, rice-water stools, vomiting,
thirst, pain and coma
What is the incubation period of cholera? correct answers A few hours- 5 days, usually 3
days
Yersiniosis correct answers Bacteria
What are the specific agent of Yersiniosis? correct answers Yersinia entercolitica, yersinia
pseu-dotuberculosis
What is the reservoir of Yersiniosis? correct answers Wild and domestic animals, birds,
humans, surface water
What are the symptoms of Yersiniosis? correct answers Diarrhea, cramps, fever, headache,
vomiting, skin rash, and pseudo-appendicitis
What is the incubation period of Yersiniosis? correct answers 3- 7 days, usually 2-3 days
Trichinosis correct answers Helminths
What is the specific agent of Trichinosis? correct answers Trichinella Spiralis
What is the reservoir of Trichinosis correct answers Pigs, bears, mild boars, rats, foxes and
wolves
What are the symptoms of Trichinosis? correct answers Nausea, vomiting, diarrhea, muscle
pain, swelling of face, and eyelids, and last difficultly breathing
What is the incubation period of Trichinosis? correct answers 2- 28 days, usually 9 days
