Rehs sample exam - Study guides, Class notes & Summaries

time, distance, sheilding What are the three things that provide protection against radiation? The A-weighted scale is most commonly used. It considers frequency, intensity , and impact level. What scale is used when measuring noise in a sheet metal shop? Photochemically. Naturally, as sunlight passes through oxygen molecules, and by high voltage electricity (lightening). O + UV light how is ozone created?

REHS Exam (2023/ 2024 Update) 500+ Questions and Verified Answers| 100% Correct Q: Which of the following is correct regarding the Lead and Copper contaminants? A. Lead and copper are common source water contaminants B. The MCL for lead is 0.015 mg/L C.Lead sampling is done in the home on 1 liter first draw water samples that have been stagnant at least 6 hours in the pipe D. Lead and copper are treated by coagulation Answer: C.Lead sampling is done in the home on 1 liter first draw w...

Exam (elaborations) NEHA REHS/RS (REHS) REHS Examination Review Work Exams (3 Latest 2023 Answered sets)/ REHS REVIEW BIG PRACTICE EXAM 1,2 And 3 REHS REVIEW BIG PRACTICE EXAM 1/REHS Practice Problems from Anton: 1. The most important factors in the xmsn of waterborne disease is: A) indirect contact and virulence B) dosage and virulence C) direct contact and dosage D) fomite and pathogen 2. In many jurisdictions, what needs to be issued before a newly constructed building, structur...

REHS/RS Exam Review Questions and answers, graded A+ What is the most common cause for bacterial meningitis in children under five years of age? - - Haemophilus influenza type B How is giardiasis usually transmitted to others? - -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's health and welfare are protected? - -Regulatory responsibilities What is a m...

REHS Exam: Private Onsite Wastewater Treatment And Disposal Questions With Solutions Biochemical Oxygen Demand (BOD) The difference between the initial dissolved O2 in a water sample and dissolved O2 in a duplicate sample after a stated period of time (usually 5 days). Best single measure of wastewater or polluted water. Chemical Oxygen Demand (COD) A measure of the amount of O2 chemically consumed by the oxidation of organic and oxidizable inorganic materials in a water sample. Good fo...

NEHA REHSRS ACTUAL EXAM WITH QUESTIONS AND WELL VERIFIED ANSWERS[GRADED A+] REAL EXAM 100% The Inverse Square Law is commonly used in which environmental health program areas to calculate the intensity or strength of a substance at a specified distance from the point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation, fluoridation in water, lighting, and noise d. lighting, sewage contamination in stream, and air emissions - ANSA Two ...

REHS Exam Review With 100% Correct And Verified Answers 2024 EBL - Correct Answer-elevated blood level iron MCL in water - Correct Answer-4ppm radon source - Correct Answer-uranium pH of wastewater - Correct Answer-6-9 (6.5-8.5avg) nematodes - Correct Answer-ancylostoma/necator (hookworms), anisakiasis (roundworm), trichinella (roundworm) cestodes - Correct Answer-taenia solium and saginata (tapeworms) trematodes - Correct Answer-schistosoma 12 hour incubation - Correct A...

NEHA REHS/RS Exam - Practice Questions & Answers. VERIFIED/ The Inverse Square Law is commonly used in which environmental health program areas to calculate the intensity or strength of a substance at a specified distance from the point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation, fluoridation in water, lighting, and noise d. lighting, sewage contamination in stream, and air emissions - -A If 15x + 3 = 7x - 13, then x equals a. - 2...

NEHA REHS/RS Exam - Practice Questions | Questions with 100% Correct Answers | Verified 2024 The Inverse Square Law is commonly used in which environmental health program areas to calculate the intensity or strength of a substance at a specified distance from the point source? a. radiation, lighting, and noise b. noise, air emissions, and radiation c. radiation, fluoridation in water, lighting, and noise d. lighting, sewage contamination in stream, and air emissions - Answer ️️ ...

RS/ REHS Practice Exam Review Questions & Answers, rated A+ 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 pneumoniae d) Haemophilus influenzae type B - -d) Haemophilus influenzae 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 and lakes c) Drin...