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REHS_1
Pre-test questions
| Question | Answer |
|---|---|
| Communicable diseases in a pandemic state is known to? | Exist in a wide area |
| Indirect disease transmission (or contact) can be a result of a: | Inanimate object, and Fomite. |
| A symptomatic carrier can be best described as: | Shows signs or symptoms of a disease |
| Vehicle is often described as: | Vector, Fomite, A means of infection |
| Encephalitis causes: | Inflammation of the meninges of the brain and spinal cord. |
| What is the common source of transmission for Hepatitis A? | Milk, Water, Shellfish |
| What is the typical onset time of Hepatitis A? | 6 weeks |
| Rabies is caused by? | A virus |
| Aedes aegypti mosquitoes were implicated in causing: | Yellow Fever |
| Today A.I.D.S in the U.S. can be commonly transmitted by: | Unprotected sexual relations. |
| Cholera can be transmitted by: | Food and water: Lettuce, Ice, Seafood. |
| Botulism bacteria prefer to thrive in what type of environment? | Anaerobic conditions |
| Bubonic plague is caused by what? | Caused by an infected oriental rat flea |
| The pneumonic stage of plague is more contagious than the bubonic stage? T/F | True |
| Classic foodborne intoxication often shows fever as one of the sysmptoms. T/F | False |
| Classic foodborne infections often shows: | Fever |
| Tuberculosis incubates and shows lesions in a human host for an average of: | 4 to 6 weeks |
| Leptospirosis is a bacterial disease which can affect which host? | Rats |
| The Q-fever organism is highly resistant to: | Heat |
| Lymes disease common vector is the: | Tick |
| Red tide can cause: | P.S.P Paralytic Shellfish Poisoning |
| Friable asbestos means: | Easily crumbles |
| Carbon monoxide commonly occurs when: | Unburned fossil fuels |
| The minimum horizontal distance from a well to a sewer line is: | 50 feet for california |
| The definition of turbidity is: | Cloudiness of water, highly concentrated bacteria in a sample of water, extremely hard water. |
| 1% is the same value as: | 10,000 ppm |
| Bio-hazardous waste can include | Infectious waste and Medical Waste |
| The primary concern of the green house effect is: | Increase carbon dioxide build up in the atmosphere, and depletion of the ozone layer, increase in the earth's mean temperature. |
| Landfill and sewage sludge digestion produce: | Methane and carbon dioxide |
| Hemolytic Uremic Syndrome is caused by what organism? | E. coli 0157:H7 |
| 3 identical sounds of 100 dB = | 104.8 dB |
| What type of radiation does Radon emit? | Alpha radiation |
| Sound pressure levels is expressed in what units? | Decibels |
| Permissible Exposure Limits: | Are enforceable |
| Cosmic Radiation can | Raise background radiation |
| Using ear plugs to control noise is: | The last step in noise control |
| Which dosimeter gives quick readings? | Pocket chamber |
| Normal classroom lighting requires | 50 foot candles |
| T.D.S. is checked by: | Naphalometric device |
| Catalytic converts depend on: | Noble metals, Heat, and Carbon monoxide |
| Upwind and down wind scenarios relies on | Wind direction |
| Microwaves affect what human organs first: | Gonads and Eyes |
| X-rays and gamma rays are | High level energy forms |
| A lambert is defined as | Reflected surface light |
| SCBA's average use is how long? | 30 minutes |
| Secchi disk is used to do what? | Check turbidity |
| Excessively soft water can increase what? | Lead and Copper |
| Flocculants do what? | Aid in the sedimentation process |
| Haz-Mat waste requires what form? | Manifest |
| The current M.P.N test is: | Coli-lert |
| A diagonal jet is a ? | Water fountain |
| A pool has 600 square feet. Calculate the occupancy load. | 30 people; Pool Occupancy = Area/20 |
| A spa has 100 cubic feet of water, how many gallons is that? | 748 gallons; Conversion factor is 1 cubic ft=7.48 gallons |
| A square pool measures 10 feet on each side. The depth is 7 feet. Calculate the volume in gallons: | 5236 gallons. Square pool total gallons = L X W X H X 7.48 |
| Jail house fever vector is? | Louse |
| Plasmodium falciparum is? | Mosquito |
| Aniskiasis can be attributed to? | Eating raw fish |
| Active immunity is best described as: | Immunity is formed by a former infection and formed by the body. |
| For the most common port of infection, gastrointestinal disease is ranked: | 2nd |
| People with untreated cholera suffer from: | Circulatory collapse, severe dehydration, electrolyte loss |
| Bubonic plague vector is: | X. cheopis |
| Deerflies prefer to breed in? | Calm waters |
| Toxins produced after the bacteria is called? | Endotoxin |
| Octave wave band analyzers test? | Different frequencies of sound |
| Heat labile toxins are? | Denatured after proper heating (protein based) |
| Staphylococcus aureus: | Picnic organism (in summer) |
| The most common occupational disease is: | Dermatitis |
| Proper hand washing requires: | Warm water, Antibacterial soap, Proper lathering |
| Define Quarantine | When you don't know what the disease is |
| Brucella organism can be tested with? | Blue ring milk test |
| Historically, this killed many of Napoleon's troops | Rickettsia prowazeki variation prowazeki |
| A "bulls-eye" type of wound is caused by? | Lyme disease |
| The vector for yellow fever is? | Aedes mosquito |
| To disinfect tools suspected with anthrax | Formalin solution for 4 hours at 110 degrees F |
| A nosocomial infection means? | Hospital acquired infection |
| Vibrio vulnificus can be lethal to? | People with chronic liver problems |
| Bacillus cereus is commonly implicated in: | Cooked rice and grains |
| Ammonia can be used for: | Cleaning, detecting chlorine leak, and found in outer space |
| The minimum water heater temperature ina restaurant is? | 120 degrees F |
Created by:
adlarios
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