Sanitarian Test Study Guide Part 3 With
100% Verified Solutions
Primary headworks of a wastewater treatment plant: CORRECT ANSWERS Bar
screens, primary settling basins (clarifiers)
A pH of 0 to 7 is what? CORRECT ANSWERS Acidic
A pH of 7 is? CORRECT ANSWERS Neutral
A pH of 7 to 14 is? CORRECT ANSWERS Basic
If there is color in water, in order to remove it, it must be? CORRECT ANSWERS A
suspension
Is rabies a bacteria or virus? CORRECT ANSWERS Virus
How does rabies infect a human? CORRECT ANSWERS Through their central nervous
system
What animals are safe from rabies? CORRECT ANSWERS rodents and lagomorphs
(non mammalians)
How is Hepatitis A transmitted? CORRECT ANSWERS Fecal-oral route - usually
through contaminated food.
How is Hep B transmitted? CORRECT ANSWERS blood-borne and transmitted by
DNA, bloodm and body secretions
What are coliform bacteria? CORRECT ANSWERS aerobic or facultative anaerobic
bacteria that ferment lactose, acid, and gas formation within 48 hours at 35 C
Coliform bacteria are used as indicator organisms in? CORRECT ANSWERS Water
sanitation
What is the prominent fecal coliform? CORRECT ANSWERS E. coli
Compound chemicals are? CORRECT ANSWERS Chemicals with more than one
compound
What is radon? CORRECT ANSWERS Radioactive gas
What is disinfection? CORRECT ANSWERS Killing of infectious agents outside the
body by direct exposure to chemical or physical agents
, What does sterile mean? CORRECT ANSWERS Life free
What does sanitized mean? CORRECT ANSWERS Reduced number of microbial to a
noninfectious level
What are sanitizing agents? CORRECT ANSWERS Cl2, I2, and quaternary NH4
What is a hydroxide? CORRECT ANSWERS hydrogen or oxygen
NH3 is? CORRECT ANSWERS Ammonia
NO3 in drinking water may cause? CORRECT ANSWERS Blue baby syndrome in
pregnant mothers
Table salt is what compound chemical? CORRECT ANSWERS NaCl
What 3 elements are needed for bacterial growth? CORRECT ANSWERS Moisture,
medium, and heat
Salmonella is found in what food products? CORRECT ANSWERS Poultry
How is rabies transmitted? CORRECT ANSWERS Through the saliva of an infected
animal
Where do vaccines for chicken pox come from? CORRECT ANSWERS Cattle derived
Salads are very conductive to food poisoning. Why? CORRECT ANSWERS They may
contain potentially hazardous foods and they have been exposed to human
contamination by the food handler
In food poisoning, what makes you ill? CORRECT ANSWERS The bacteria by-products
In infections from food, what makes you ill? CORRECT ANSWERS The bacteria itself
Staph infections: CORRECT ANSWERS spherical bacteria, highly heat stable toxins,
cause rapid and acute symptoms
Botulism: CORRECT ANSWERS foodborne, very severe, caused by ingestion of foods
containing the spore forming anaerobic bacteria
What is the minimum lot size for a plot with lots having perc rates of 1" in 31-60
minutes? CORRECT ANSWERS 43,560 sq ft or 1 acre
For subdivision plats, one core test is performed for every? CORRECT ANSWERS 10
acres
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