RS Exam Study Guide Exam Questions and Answers.
The most plentiful form of available water is - ANS Groundwater
Waterborne diseases - ANS Sickness or Ailment that results from ingestion of water that
is
harboring a pathogen.
Water-washed diseases - ANS Sickness or ailment is spread by the fecal-oral route or
Person-to-Person
contact and facilitated by the lack of adequate water for personal hygiene
Water-based infections - ANS Ingestion of a pathogenic agent carried in water.
Water-related diseases - ANS Sickness or ailment facilitated by insect vectors that
breed in water
Inhalation of contaminated water aerosols - ANS Inhalation of Bacteria in Hot Tubs, Hot
Water tanks
The etiologic agent of cyclosporiasis is - ANS Cyclospora Cayetanesis (Protozoa)
A food associated with cyclosporiasis is - ANS Raspberries & Lettuce
Most waterborne disease fatalities occurred before 1940 and were attributed to the
waterborne illness - ANS Typhoid Fever
Waters suitable for drinking water supplies and shellfish rearing are monitored
Routinely for - ANS Microbiological Quality
Only___________of the global content of water constitutes fresh water - ANS 2.6%
A waterborne disease that can be prevented through vaccinations is - ANS poliomyelitis
The World Health Organization (WHO) estimates that__________of all diseases are
attributable to inadequate water or sanitation - ANS 80%
Viral infections readily spread through drinking water, food and water-contact
recreation activities due to: - ANS The low infectious dose of viral and protozoan
pathogens
What is Shigellosis specific agent? - ANS Shigella
What is Shigellosis reservoir? - ANS Feces of carrier and infected people
,What are the symptoms of Shigellosis? - ANS abdominal cramps, fever, diarrhea, blood
and mucus in stool
What is the incubation period of Shigellosis? - ANS 1-7 days, average 4 days
Botulism specific agent? - ANS Clostridium botulinum /C. parabotulinum toxin
Botulism reservoir? - ANS soil, dust, fruit, veg, food, mud, fish, feces
Botulism symptoms? - ANS diarrhea, vomiting/nausea
Botulism incubation period? - ANS 2- 8 days , avg 12-36 hr
Bacillus cereus food poisoning (Emetic Type) specific agent? - ANS Bacillus cereus
Bacillus cereus food poisoning (Emetic Type) reservoir? - ANS spores in cereal, spice,
veg, milk
Bacillus cereus food poisoning (Emetic Type) symptoms? - ANS diarrhea,
vomiting/nausea
Bacillus cereus food poisoning (Emetic Type) incubation period? - ANS 1-6 hr
Bacillus cereus foodborne illness (Diarrheal Type)
specific agent - ANS Bacillus cereus
Bacillus cereus foodborne illness (Diarrheal Type)
reservoir? - ANS spores in cereal, spice, veg,milk
Bacillus cereus foodborne illness (Diarrheal Type) symptoms? - ANS diarrhea, cramps,
vomiting/nausea
Bacillus cereus foodborne illness (Diarrheal Type) incubation period? - ANS 6-16 hrs
Typhoid Fever specific agent? - ANS Typhoid bacillus
Typhoid Fever reservoir? - ANS Feces/urine of typhoid carrier/patient
Typhoid Fever symptoms? - ANS Flu-like, fever, rose spots, diarrhea
Typhoid Fever incubation period? - ANS 14 days, avg 7-21 days
Campylobacter enteritis specific agent? - ANS Campylobacter
Campylobacter enteritis reservoir? - ANS chicken, swine, dogs, cats, man, raw milk
,Campylobacter enteritis symptoms? - ANS watery diarrhea, abdominal pain, fever, chills
Campylobacter enteritis incubation period? - ANS 1-10 days, avg 2-5 days
Amebiasis specific agent? - ANS Entamobea histolytica
Amebiasis reservoir? - ANS bowel discharges of carrier of infected person
Amebiasis symptoms? - ANS loss of appetite, abdominal discomfort, blood, mucus
Amebiasis incubation period? - ANS 5 days or longer, avg 2-4 weeks
Staphylococcus food poisoning
specific agent? - ANS Staphylococci
Staphylococcus food poisoning reservoir? - ANS skin, mucus, membranes, puss, dust
Staphylococcus food poisoning symptoms? - ANS acute nausea, vomiting, nausea
Staphylococcus food poisoning incubation period? - ANS 1-6 hr, avg 2-4 hrs
Cholera specific agent? - ANS Vibrio cholerae
Cholera reservoir? - ANS feces, vomitus, carriers
Cholera symptoms? - ANS diarrhea, rice water stools, vomiting, thirst, pain, coma
Cholera incubation period? - ANS 1 hr - 5 days, avg 3 days
Yersiniosis specific agent? - ANS Yersina entercolitica
Yersiniosis reservoir? - ANS wild and domestic animals, birds, man, surface water
Yersiniosis symptoms? - ANS diarrhea, cramps, fever, headache, vomiting, rash
Yersiniosis incubation period? - ANS 3-7 days, avg 2-3 days
Trichinosis specific agent? - ANS Trichinella spiralis
Trichinosis reservoir? - ANS pigs, bears, boars, rats, foxes, wolves
Trichinosis symptoms? - ANS nausea, vomiting, diarrhea, muscle pain, swelling of
face/eyes
Trichinosis incubation period? - ANS 2-28 days , avg 9 days
, Cryptospordiosis specific agent? - ANS Cryptosporidium spp.
Cryptospordiosis reservoir? - ANS farm animals, man, fowl, cat
Cryptospordiosis symptoms? - ANS flu-like, diarrhea, vomiting, nausea
Cryptospordiosis incubation period? - ANS 2-21 days, avg 2-10 days
Clostridium perfringins food poisoning specific agent? - ANS Clostridium perfringens
Clostridium perfringins food poisoning reservoir? - ANS soil, GI tract
Clostridium perfringins food poisoning symptoms? - ANS sudden abdominal pain then
diarrhea/nausea
Clostridium perfringins food poisoning incubation period? - ANS 8-22 hrs, avg 10-12 hr
Giardiasis specific agent? - ANS Giardia lamblia
Giardiasis symptoms? - ANS prolonged diarrhea, abdominal cramps, severe weightloss
Giardiasis incubation period? - ANS 6-22 days, avg 9 days
Listeriosis specific agent? - ANS Listeria monocytogenes
Listeriosis reservoir? - ANS goats, cattle, man, fowl, soil, water, sewage
Listeriosis incubation period? - ANS 2 days to 3 weeks
Scombroid fish poisoning specific agent? - ANS scombrotoxin
Scombroid fish poisoning reservoir? - ANS Scrombridea family tuna, bluefish,
amberjack
Scombroid fish poisoning incubation period? - ANS minutes to 1hr
Prior to the 19th Century, civilization regarded the onset of infections being caused
by foul air, commonly called - ANS Miasma
Diseases such as typhus,_____________, ____________,and__________were
common in Europe, the United States, and other parts of the world prior to the
20th century. - ANS typhoid, cholera, dysentery
Who was John Snow and what was his role in the cholera epidemic of 1849 and
1854? - ANS John Snow was a physician in London who researched the cause and
agent of transmission