With approximately 450,000 active CPAs in the United States, the CPA certification is the most popular professional designation for accountants. Earning the CPA designation is no easy feat, as the CPA exam is known for its extreme difficulty.
Toxicokinetics (often abbreviated as 'TK') is the description of both what rate a chemical will enter the body and what occurs to excrete and metabolize the compound once it is in the body. It is an application of pharmacokinetics to determine the relationship between the systemic exposure of a compound in experimental animals and its toxicity.
Environmental Toxicology. Environmental toxicology is a good area of study for science majors who are interested in pollutants and their effect on the physical environment. Read on to discover academic and career options in this interdisciplinary science that examines how toxins affect human health and other life forms.