Which of the following is true about an instructor's responsibilities?

An instructor's primary responsibility is to ensure that participants not only learn the necessary skills and knowledge but also understand the importance of health precautions in a safe learning environment. This includes informing participants about potential health risks, necessary precautions to take while participating in activities, and how to respond to emergencies that may arise during training. This accountability helps foster a safer space for learning and reinforces the overall objective of the course, which is to prepare individuals for real-world scenarios where health and safety are critical.

The other choices reflect misunderstandings of an instructor's role and responsibilities within the American Red Cross Lifeguard training framework. Submitting course records is essential for maintaining an accurate account of participant progress, and instructors are indeed responsible for imparting critical safety guidelines. Additionally, there are specified timelines for submitting course records to ensure proper documentation and accountability regarding the training provided.