Walden PUBH6034 2019 November Module 4 Quiz Latest

PUBH6034 Environmental Health: Local to Global

Module 4 Quiz

Question 1 Metals present in municipal wastewater may still be present in treated sewage sludge; __________.

Question 2 Historically, the use of chlorine bleach has made the pulp and paper industry an important source of __________ contamination.

Question 3 21. Chlorination of drinking water is highly effective at killing __________.

Question 4 Some likely human health impacts of polybrominated diphenyl ethers (PBDEs) are suggested by their chemical structure, which is similar to that of _______________.

Question 5 Which of the following chemicals are widely used as flame retardants in consumer products?

Question 6 High biochemical oxygen demand in sewage effluent can lead directly to__________

Question 7 Two subgroups of the general population who may have particularly high phthalate exposures are _______________ and those receiving an IV drip for an extended period.

Question 8 Primary sewage treatment is fundamentally a _______________ process.

Question 9 Which of the following are steps in municipal drinking water treatment?

Question 10 The bar screen, grinder, and grit chamber are used in __________.

Question 11 Secondary sewage treatment is fundamentally a _______________ process.

Question 12 Currently, most human exposure to polychlorinated biphenyls (PCBs) in the environment is through _______________.

Question 13 Exposure to byproducts of disinfecting drinking water with chlorine has been associated with increased risk of __________.

Question 14 Potable water is water that is __________.

Question 15 A septic system consists of a septic tank and a __________.