Low level pcb exposure - Study guides, Class notes & Summaries

NERC Study Guide Pre test Exam Questions and Answers updated 2023/2024 An electrical transformer leak of PCBs resulted in the destruction of millions of dollars’ worth of chicken and eggs in: a. Montana b. New York c. Michigan d. Wisconsin - correct answer Montana The primary route of entry of PCBs into human is: a. absorption b. inhalation c. inoculation d. ingestion - correct answer ingestion Which one of the following has not been shown to be associated with PCBs? a....

NERC Study Guide Pre test Exam Questions and Answers updated 2023/2024 An electrical transformer leak of PCBs resulted in the destruction of millions of dollars’ worth of chicken and eggs in: a. Montana b. New York c. Michigan d. Wisconsin - correct answer Montana The primary route of entry of PCBs into human is: a. absorption b. inhalation c. inoculation d. ingestion - correct answer ingestion Which one of the following has not been shown to be associated with PCBs? a....

Chapter 3—Prenatal Development MULTIPLE CHOICE 1. Pregnancies can be dated from the onset of the last menstrual period before conception or by a. assuming conception is two weeks after the woman’s last menstrual cycle. b. counting ahead nine months from the date the woman learned she was pregnant. c. counting forward from the date the woman believes she conceived. d. pregnancies are not dated as there is too much variability from woman to woman. ANS: A REF: The Germinal Stage OBJ: 1 DI...

REHS exam 1. A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - ANS carcinogen;2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - ANS homicide;3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. raccons. - ANS skunks;4. Asbes...

Chapter 3—Prenatal Development MULTIPLE CHOICE 1. Pregnancies can be dated from the onset of the last menstrual period before conception or by a. assuming conception is two weeks after the woman’s last menstrual cycle. b. counting ahead nine months from the date the woman learned she was pregnant. c. counting forward from the date the woman believes she conceived. d. pregnancies are not dated as there is too much variability from woman to woman. ANS: A REF: The Germinal Stage OBJ: 1 DI...