You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is First order kinetics is characterized by: and explain in detail?
First order (exponential) kinetics; The rate of elimination is directly propoional to the drug concentration, Clearance remains constant, or a constant fraction of the drug present in the body is eliminated in unit time. Ref:KD Tripathi pharmacology 7th edition (page.no: 30)