Question

1. what would be the best search terms to use for a research project about advances in orthopedic knee surgery?

surgery, new techniques
orthopedics, new techniques
knee surgery, new techniques
orthopedics, knee surgery

Explanation:

The search terms need to precisely match the research focus: advances (new techniques) in orthopedic knee surgery. The correct option combines all three key elements: the specialty (orthopedics), the specific procedure (knee surgery), and the focus on new/advanced methods (new techniques).

Answer:

orthopedics, knee surgery, new techniques