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Sanitarian Written exam Study Guide Part 1 Questions And Answers | 100% Verified
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Sanitarian Written exam Study Guide Part 1 Questions And Answers | 100% Verified
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Sanitarian Written exam Study GuidePart 1 Questions And Answers | 100%
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Infectious hepatitis is an important, but poorly understood disease according to present
day knowledge. Which of the following statements is TRUE regarding this disease?
CORRECT ANSWERS The agent occurs in both the blood & feces of patients
Outbreaks of many diseases have been traced to un-pasteurized milk as the source of
transmission. Which of the following diseases would NOT be transmitted this way?
CORRECT ANSWERS Dengue
An outbreak of trachoma (pink eye) was traced to a public swimming pool. Which of the
following is the MOST likely cause? CORRECT ANSWERS The use of community
towels.
Which of the following areas would be LEAST closely associated with infant mortality
rate in a community? CORRECT ANSWERS Auto Accidents
Office of Health Service regulations require bacteriological drinking water samples to be
analyzed by the laboratory within ______ hours after collection CORRECT ANSWERS
30
The GREATEST advantage offered by the membrane filter technique over the multiple
tube test is CORRECT ANSWERS Results are obtained in a shorter time
The primary purpose of rapid & filtration & coagulation in the water treatment process is
to remove CORRECT ANSWERS Turbidity
How many pounds of calcium hypochlorite (70% available chlorine) are necessary to
make 25 gallons of 1% chlorine solution? CORRECT ANSWERS 3
Recommended guidelines for protecting a water well against contamination would
include all EXCEPT which one of the following? CORRECT ANSWERS The well should
be protected by a pump house
A water supply from which one of the following sources is the MOST likely to be safe for
human consumption CORRECT ANSWERS Drilled well
The LEAST important public health reason for treating sewage is to prevent CORRECT
ANSWERS Unsightly conditions.
, Digestion of organic matter in a septic tank is accomplished primarily CORRECT
ANSWERS By anaerobic bacteria.
Problems with grease traps in restaurants are MOST often caused by CORRECT
ANSWERS Lack of maintenance
Which one of the following would be the LEAST suspected cause of a tile field system
(absorption system) failure? CORRECT ANSWERS Deterioration of the tile
Oxidation ponds operate on the principle of: CORRECT ANSWERS Algae furnishing
oxygen for aerobic action
Water drawn from a swimming pool for filtration should come from CORRECT
ANSWERS Both the surface & the deepest part of the pool
The recommended free chlorine residual to be maintained thru-out a water supply
distribution system is CORRECT ANSWERS 4 ppm
Cross-connections in plumbing should be eliminated because they CORRECT
ANSWERS Have been responsible for numerous cases of diseases such as typhoid
fever & dysentery
The terms "vectors" and "vehicles" are CORRECT ANSWERS Different because
vehicles are usually inanimate objects
Which of the following is the MOST effective fly control procedure? CORRECT
ANSWERS Environmental Sanitation
A restaurant operator wishes to properly sanitize, using a 3 compartment sink. If 4%
bleach is used, how much must be added to the 12 gallon sink to get 100ppm chlorine
concentration CORRECT ANSWERS 3.84 ounces
Rodents may be economic factors of considerable magnitude. Which of following is
MOST significant economically CORRECT ANSWERS They spoil or damage food &
property
Although pasteurization kills pathogens but not all bacteria, (vegetative and spores) this
process can be considered as CORRECT ANSWERS Disinfection
Which of the following is NOT a disinfectant? CORRECT ANSWERS Cold
Which of the following would offer the SUREST method of trichinosis control?
CORRECT ANSWERS Thorough cooking of all pork products
The temperature range considered safe for holding potentially hazardous foods as
stated in Chapter 23: CORRECT ANSWERS 40 F or below or 140 F or above
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