REHS/RS NEHA Study Guide - Revised

When gas pipe is leaking, what methods would be used by the technician to identify the exact

point of leakage? - ANS - Using soap bubble solution

What is the graphic tool used by meteorologists to give a succinct view of how wind speed and

direction are typically distributed at a particular location - ANS - Wind Rose

What is the lowest portion of Earth's atmosphere called: - ANS - troposphere (a height of about

3.7-6.2 miles (6-10 km)

What three viruses cause the largest number of known

cases of illness through contaminated food: - ANS - Hepatitis, Rotavirus, Norovirus

Shellfish poisoning is caused by a group of toxins produced by: - ANS - planktonic algae

(dinoflagellates, in most cases)

What is the most widely accepted detection method for the saxitoxins (Paralytic Shellfish

Poisoning) around the world: - ANS - mouse bioassay (not as useful in Diarrhetic Shellfish

Poisoning or Neurotoxic Shellfish Poisoning)

Pufferfish (also called "fugu" or "blowfish") are thought of as a delicacy - even though they

contain this toxin: - ANS - tetrodotoxin (in some types of pufferfish, some of the organs like the

liver and skin contain tetrodotoxin; in some pufferfish the toxin is in the meat also; and some

have no toxin at all)

Compounds that cause neurological symptoms such as profuse sweating, coma, convulsions,

hallucinations, excitement, depression, spastic colon - ANS - Neurotoxins

Compounds that produce rapid, transient nausea, vomiting, abdominal cramping, and diarrhea: -

ANS - gastrointestinal irritants

mushrooms in this category generally are nontoxic and produce no symptoms, unless alcohol is

consumed within 72 hours after eating them, in which case a short-lived, acute toxic syndrome is

produced: - ANS - disulfiram‐like toxins

This is is a human illness caused by consumption of some subtropical and tropical marine finfish

- ANS - Ciguatera fish poisoning (caused by consumption of subtropical and tropical marine

finfish that have accumulated ciguatoxins through their diets)

Powdered infant formula is not sterile, and its nutrients provide good conditions for the growth

of - ANS - Cronobacter (after reconstitution)

Travelers diarrhea is caused by which E. Coli (acronym)? - ANS - ETEC (Enterotoxigenic

Escherichia coli)

Cholera is caused by which bacteria - ANS - Vibrio (but not all Vibrio cause cholera)

Q fever is caused by which food borne illness causing bacteria - ANS - Coxiella burnetii (the

CDC has declared it a Category B potential bioterrorism agent)

Plant FOODS that are cooked for hot holding shall be cooked to a temperature of - ANS - 135F

How long must POULTRY, BALUTS, wild GAME ANIMALS (as specified under

Subparagraphs 3-201.17(A)(3) and (4)), stuffed FISH, stuffed MEAT, stuffed pasta, stuffed

POULTRY, stuffed RATITES, or stuffing containing FISH, MEAT, POULTRY, or RATITES

be cooked at 165F? - ANS - instantaneous

Fish to be served raw must be frozen how cold for how long? (except some Tuna and

aquaculture fish) - ANS - -4F for 7 days, -31 for 15 hours, frozen to-31F until solid then stored -

4°F for 24 hours

If immersion in hot water is used for SANITIZING in a manual operation, the temperature of the

water shall be maintained at - ANS - 171F or above

Total alkalinity of swimming pools shall be maintained in the range of: - ANS - 60-180 ppm

(mg/l)

the thick-walled, environmentally resistant structure released in the feces of infected animals that

serves to transfer the infectious stages of sporozoan parasites (e.g., Cryptosporidium) to new

hosts. - ANS - Oocyst

Milligrams per Liter (mg/L) is the equivalent metric measure to: - ANS - parts per million (ppm)

liable to ignite spontaneously on exposure to air - ANS - Pyrophoric