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.
Toxicology is the study of the adverse effects of drugs and chemicals on biological systems. Forensic toxicology deals with the application of toxicology to cases and issues where those adverse effects have administrative or medicoâlegal consequences, and where the results are likely to be used in court.eath Investigation Toxicology (Postmortem Toxicology): Forensic toxicologists work with pathologists, medical examiners and coroners in helping to establish the role of alcohol, drugs and poisons in the causation of death.