REHS Exam -With 100% verified solutions-2023-2024 Graded A+, Exams of Nursing

Download REHS Exam -With 100% verified solutions-2023-2024 Graded A+ and more Exams Nursing in PDF only on Docsity! REHS Exam -With 100% verified solutions-2023-2024 560 Q&A Which is not one of the core functions of Environmental Public Health? A. Assurance B. Coordination C. Assessment D. Policy Development B. Coordination Monitoring environmental and health status to identify and solve community environmental health problems is one of the: A. Core competencies of Environmental Public Health B. Ten essential services of environmental Public Health C. Revitalization strategies of environmental Public Health D. None of the Above B. Ten essential services of environmental Public Health Which one of the following phrases most accurately describes the term endemic? A. Sporadic occurrence of an illness B. Illnesses that exceed expected levels C. All illnesses present at any one time D. Constant presence of an illness in a population D. Constant presence of an illness in a population The inteval between exposure to an infectious agent and the appearance of the first symptom is called the: A. Transmission period B. Incubation period C. Susceptible period D. Reactive period B. Incubation period In the states, government authority to regulate for environmental Public Health is based on: A. The Bill of Rights B. United States Code of Federal Regulations C. Police Powers D. The United States Constitution C. Police Powers A food establishment known to have an imminent health hazard is not closed by the environmental public health professional. This is an example of: A. Nonfeasance B. Malfeasance C. Misfeasance D. Laziness A. Nonfeasance Campylobacter is mostly associated with: A. Contaminated water B. Infected birds C. Infected ticks D. Contaminated food D. Contaminated food A person that harbors a specific infectious agent in the absence of clinical symptoms and can serve as a potential source of infection is known as a: A. Contact B. Pathogen C. Carrier D. Toxin C. Carrier An epidemic is the occurrence in a community or region of cases of illness clearly in excess of expectancy. A. True B. False A. True An example of a non-commutable commutable disease is: A. Diabetes B. Cholera C. Influenza D. Measles A. Diabetes The environmental health specialist must understand the epidemiological concept of disease process including host, agent and the environment and their interactions. A. True B. False B. Inspection C. Program D. Trial A. Investigation It is essential that samples, specimens, photographs not only be collected in a legally defensible manner, but the be adhered to in a way that the courts will accept A. Defendant'srights B. Chain of custody C. Administrative law D. One of the above B. Chain of custody Environmental public health programs regulate and monitor institutions and licensed establishments, to prevent the spread of nosocomial and other infections, communicable diseases, and . A. To ensure complete compliance for inhabitants, employees, and the general public B. To satisfy regulatory requirements for inhabitants, employees, and the general public C. To enforce critical control measures for inhabitants, employees, and the general public D. To reduce health and safety risk for inhabitants, employees, and the general public D. To reduce health and safety risk for inhabitants, employees, and the general public A critical step in any investigation is to carefully document all observations, including times, dates, locations, and circumstances A. True B. False A. True What is the most common cause of bacterial meningitis in children under five years of age? A. Neisseria meningitides B. Group B Streptococci C. Streptococcus pneumonia D. Haemophilus influenza type B D. Haemophilus influenza type B How is "giardiasis" usually transmitted to others? A. Person to person transfer of cysts from the feces of the infected individual B. Drinking unfiltered water from streams or lakes C. Drinking uncoiled water from streams or lakes D. Drinking inadequately chlorinated water from a municipal water distribution system A. Person to person transfer of cysts from the feces of the infected individual Which of the following duties of state and local health agencies is intended to ensure that the public health and welfare are protected? A. Community tensile planning B. Statutory administrative practices C. Regulatory responsibilities D. Plan implementation C. Regulatory responsibilities Which of the following is a measure of the amount of light scattered by particles suspended in a water test sample? A. Formalin Turbidity units (FTU) B. Nephelometric Turbidity Units (NTU) C. Hydrosyntalic Turbidity Units (HTU) D. Lorcetic Turbidity Units (LTU) B. Nephelometric Turbidity Units (NTU) What is an epidemic? A. The constant presence of a disease within a community or region B. The presence of an infectious agent on a body surface C. The presence of infection in a host without clear, recognizable clinic symptoms D. The occurrence in a community or region of cases of an. Illness clearly in excess of expectancy D. The occurrence in a community or region of cases of an illness clearly in excess of expectancy What portal of entry should a field sanitarian protect to avoid contracting Lyme disease? A. Skin B. Respitory tract C. Reproductive organs D. Digestive tract A. Skin Swimmer's itch is a common name for which of the following diseases? A. Leptospirosis B. Subdural dermatitis C. Schistosomiasis D. Trichiniasis C. Schistosomiasis Which of the following factors would least contribute to the emergence of a new infectious disease? A. Human behavior B. Heat disinfection C. Antibiotic use D. Disinfectant use B. Heat disinfection Listeriosis is commonly associated with: A. Contaminated water B. Contaminated food C. Infected mice D. Infected birds B. Contaminated food Hemolytic Uremic Syndrome is caused by infection with A. Dracunculus medinensis B. Staphylococcus aureus C. Escherichia coli 015 7:H7 D. Salmonella typhimurium C. Escherichia coli 015 7:H7 The basic principles of disease control include all of the following except: A. Lag phase B. Control of disease source C. Mode of transmission D. Susceptibility A. Lag phase Which one of the following phrases most accurately describes the term endemic? A. Sporadic occurrence of an illness B. Illnesses that exceed expected levels C. An illness present at any one time D. Constant presence of an illness D. Constant presence of an illness The interval between exposure to an infectious agent and the appearance of the first symptom is called the A. Transmission period B. Susceptible period C. Reactive period D. Incubation period D. Incubation period A. 2 hours B. 4 hours C. 6 hours D. 8 hours C. 6 hours If time only used as a public health control, the maximum period of time recommended by the FDA for time/temperature control for safety food to be held is: A. 2 hours B. 4 hours if the warmest part of the food item does not exceed 120 F C. 6 hours if the warmest part of the food item does not exceed 70 F D. This public health control is never permitted C. 6 hours if the warmest part of the food item does not exceed 70 F What is the minimum period of time that the FDA recommends employees wash their hands and arms up to the elbow? A. 10 seconds B. 20 seconds C. 30 seconds D. 40 seconds B. 20 seconds Unpasteurized eggs not intended for immediate service should be cooked to: A. 165 F for 15 seconds B. 155 F for 15 seconds C. 145 F for 15 seconds D. 140 F for one minute B. 155 F for 15 seconds What is the usual mode for infection in Salmonella? A. ingestion of contaminated food B. ingestion of contaminated water C. contact with an active case D. contact with fomites A. ingestion of contaminated food What is the source for scombroid poisoning? A. histamines in the muscle of the fish B. sprouted green potatoes C. undercooked pork D. rice contaminated with rodent feces A. histamines in the muscle of the fish All of the following are signs of spoiled fish except: A. strong odor B. elastic flesh C. gray gills D. sunken eyes B. elastic flesh Which of the following shellfish are most likely to cause illness? A. oysters B. crabs C. shrimp D. scallops A. oysters The laboratory reports a positive coliform test that exceeds permissible limits on a bottle of pasteurized milk. What does this indicate? A. Improper bactericidal treatment of the equipment B. Improper virucidal treatment of the equipment C. A contaminated water supply D. A contaminated food supply A. Improper bactericidal treatment of the equipment What is the most effective practice for preventing trichinosis in people? A. Be certain that ground meat is freshly ground at the time of purchase B. Be sure that fresh pork is thoroughly cooked C. Avoid the consumption of ground meat products D. Cook steak until well done B. Be sure that fresh pork is thoroughly cooked An HACCP plan is not required when: A. smoking foods as a method of preservation B. cooling and reheating TCS foods in bulk C. performing reduced oxygen packaging D. using food additives or adding other components to preserve food or render it non-TCS B. cooling and reheating TCS foods in bulk What should not be done with food samples collected during a foodborne illness investigation? A. refrigerate B. freeze C. seal D. label B. freeze What is the primary requirement in designing a food service facility? A. durability B. cleanability C. appearance D. convenience B. cleanability What is the most important rule of food storage? A. follow the "first in first out" rule B. Store products in order of "pull by" date C. Repackage dry foods into metal containers D. Store canned goods under refrigeration A. follow the "first in first out" rule Insecticides/pesticides may be stored in all ways except: A. in a metal locked cabinet B. on the lowest shelf in the storage room C. above the dishwashing sinks D. in the basement separate from food and other chemicals C. above the dishwashing sinks What type of well is considered least likely to become contaminated? A. Drilled B. Bored C. Driven D. Dug A. Drilled Diatomaceous earth filters: A. Should be supplemented by a chlorination system B. Should be integrated into a rapid sand filtration system C. Can be used for public water treatment system D. Can be used in a public sewer treatment system A. Should be supplemented by a chlorination system Microbial pollution travels only a short distance through: A. Sandstone C. Yes, because the absence of odors and hydrogen sulfide indicates acceptable confined space entry conditions D. No, because a lack of hydrogen sulfide is a sign of a hazardous confined space atmosphere B. No, because oxygen content and methane were not tested All of the following are true about ozone as a disinfectant except: A. Nontoxic to aquatic organisms B. Source of dissolved oxygen C. Excellent viricide D. Long-lasting residual D. Long-lasting residual Aerobic bacteria require all of the following nutrients except: A. Carbon B. Magnesium C. Phosphorous D. Nitrogen B. Magnesium What does a mottled brown and red soil indicate? A. Unsuitability for absorption due to chemical composition B. Suitability for absorption due to granular structure C. Inadequate aeration methods D. Adequate agglomeration C. Inadequate aeration methods Alternative small wastewater treatment systems are considered unless: A. Impervious formations are found at a depth of 10 feet B. Space is limited and surface water supplies are inadequate C. Highly porous formations exist D. High groundwater exists A. Impervious formations are found at a depth of 10 feet Lime coagulation, mixed media filtration, and activated carbon filtration will greatly reduce: A. Heavy metals B. Biological contaminants C. EPA priority pollutants D. EPA listed hazardous wastes C. EPA priority pollutants It is known that some common pathogenic organisms found in wastewater will survive more than of harsh temperature extremes: A. 2 months B. 5 months C. 2 years D. 5 years C. 2 years A storm sewer is used to: A. Remove rain other standing surface water B. Remove sewage and storm water C. Remove household water waste and gutter drain water D. Remove non-toxic, non-hazardous wastewater A. Remove rain other standing surface water Stream pollution is sometimes apparent by: A. Increased levels of available oxygen in the water B. A zone of degradation C. Large numbers of crayfish and cristivomer species D. Large numbers of small fish B. A zone of degradation A young lake is considered to be: A. Eutrophic B. Mesotrophic C. Oligotrophic D. Ohytotrophic C. Oligotrophic If the septic tank will also have a garbage disposal unit feeding into it, the: A. Size of the tank should be increased 50 percent B. Tank should have an agitator C. Tank should not be equipped with a gas baffle D. Tank should not be constructed with precast concrete A. Size of the tank should be increased 50 percent Sludge accumulation in a tank serving a normal home has been estimated at: A. 40 to 50 liters per person per year B. 69 to 80 gallons per person per year C. 18 to 21 gallons per person per year D. 2.2 gallons per person per year C. 18 to 21 gallons per person per year How often should a septic tank for a private home be serviced: A. Every year B. Every 5 to 10 years C. Every 3 to 5 years D. Every 10 years C. Every 3 to 5 years Human disease fro aerosols of wastewater: A. Are related primarily to wastewater treatment by the activated sludge, trickling filter, and spray irrigation process B. Has been demonstrated from pathogens recovered in aerosols from the spray irrigation of treated wastewater C. May be caused by very small numbers of organisms D. Is a hazard even to those who have had subclinical infections, and thus should have been immunized A. Are related primarily to wastewater treatment by the activated sludge, trickling filter, and spray irrigation process Plants absorb certain constituents of wastewater; using wastewater for irrigation of consumable plant products may present a health hazard to humans if the water contains: A. Nitrates B. Iron C. Cadmium D. Chlorides C. Cadmium After the servicing of a septic tank, it is essential that the tank and lid be: A. Cleaned with a bleach or chlorine product B. Scrubbed to remove hardened sludge C. Recolonized with a commercial biological product containing yeast D. Replaced and secured for safety purposes D. Replaced and secured for safety purposes According to the Resource and Recovery Act (RCRA) how must hazardous household waste be disposed? A. Household hazardous waste is exempt from RCRA requirements B. It must be disposed as a hazardous waste by a professional hazardous waste company C. It must be incinerated D. It may be disposed in a storm drain or sanitary sewer A. Household hazardous waste is exempt from RCRA requirements