Which term describes a series of tests that evaluates the effectiveness and safety of a medical treatment in humans?

• A. DNA Isolation
• B. Scientific Method
• C. Micropipette
• D. Clinical Trials

Answer: (D)

Clinical trials describe a series of studies that evaluate the effectiveness and safety of a medical treatment in humans. After initial laboratory and animal research suggests a treatment might work, researchers test it in people through phased studies that check safety and dosing first, then effectiveness and side effects, often using randomization and control groups to minimize bias. This process helps determine whether the treatment should be approved for wider use and monitored after approval for long-term safety and real-world performance.

DNA isolation is a lab technique to extract genetic material, not a process for testing treatments in humans. The scientific method is the overall approach scientists use to investigate questions, not a specific human-testing sequence. A micropipette is a tool for measuring and transferring small liquid volumes, not the systematic evaluation of a treatment in people.