Exam (elaborations) Psych 337 Class 8 Environmental Contaminants ...

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Psych 337 Class 8 Environmental Contaminants and
Endocrine Disruptors Assignment (100% correct answers)
2024-2025


Which of the following is NOT an endocrine disruptor?A. Bisphenol A
(BPA)B.Polychlorinated biphenyls (PCB)C. Phthalate D.
Diethylstilbesterol (DES)E. All of the above are endocrine disruptors
ans:>E. All of the above are endocrine disruptors


Where are EDCs found?A. WaterB. FoodC. ClothingD. CosmeticsE.All
of the above
ans:>E.All of the above


What is an endocrine disruptor?
ans:>A synthetic (not) chemical that, when absorbed into the body,
either mimics or blocks hormones and disrupts the body's normal
functions


Are all endocrine disruptors synthetic?
ans:>No, but we used to think that


How do endocrine disruptors work?
ans:>They can bind to different things, such as to block or mimic
hormones.

, What are five examples of EDCs?
ans:>(1) Diethylstilbesterol (DES) (2) Pesticides (3) Bisphenol A (BPA)
(4) Phytoestrogens (5) Phthalate


What is diethylstilbesterol (DES)?
ans:>Synthetic estrogen


What are two examples of pesticides?
ans:>DDT and PCBs


What is bisphenol A (BPA)?
ans:>Popular in reusable water bottles and baby bottles


Why will we run into problems with EDCs time and time again?
ans:>They are used continuously. For example, such substances are
used to make things flame resistant.


What is the source of phytoestrogens?
ans:>Plants


What is the source of pesticide residues?
ans:>Fresh produce


What is the source of PCBs, DDT, and mercury (three)?
ans:>Fish


What is the source of various semi-volatile and volatile EDCs?
ans:>Air


What is the source of water-soluble EDCs?
ans:>Water