Final answer:
The purpose of a clinical trial is to test new medical interventions, establish drug dosages, determine side effects, and demonstrate efficacy. Ethical considerations are important in clinical trials as well.
Step-by-step explanation:
The purpose of a clinical trial is to test new medical interventions, establish drug dosages, determine side effects, and demonstrate efficacy. Clinical trials involve both animal and human subjects, and they aim to ensure the safety and effectiveness of medical treatments before they are approved for general use. Ethical considerations are also important in clinical trials, including issues related to informed consent, access to medical resources, and balancing the interests of participants and the aims of science.