Massachusetts Core Supplement Exam Questions and Answers 100% Correct.

Define Mutagen - ANSWER-A substance or agent able to cause genetic changes in living cells Define Oncogen - ANSWER-A substance or agent able to induce tumors (not necessarily cancerous) in living tissues Define Carcinogen - ANSWER-A substance or agent able to produce malignant tumors (cancer) Define Teratogen - ANSWER-A substance or agent able to produce abnormalities or defects in living human or animal embryos and fetuses. These defects are not usually inheritable Define Neurotoxin - ANSWER-A substance or agent able to cause disorders of the nervous system Explain why chronic health effects are more difficult to diagnose than acute health effects - ANSWER-Recognition of chronic health effects and development of scientific methods to screen chemicals for such effects have been slower to develop than was the case for acute toxicity -Consequently less in known about chronic health risks and there are more areas of disagreement on how to conduct and interpret such tests List the resources where you can find information about the chronic health effects associated with the pesticides that you are using - ANSWER--Read the label -Chemical safety data sheets -National pesticide information center -U.S. EPA pesticides program Define Cholinesterase - ANSWER-An enzyme that regulates nerve impulses in humans and many other animals Define Organophosphate - ANSWER-A large group of insecticides, miticides, and nematicides that contain the element phosphorus and are cholinesterase inhibitors Define Carbamate - ANSWER-A group of cholinesterase-inhibiting pesticides used to control insects, mites, and nematodes How to handle an exposure incident involving organophosphate and carbamate -