What should be ensured during the completion of lessons at the Ultra level?

The correct response emphasizes the importance of ensuring that all lesson items have been covered at the Ultra level. This is crucial because, at this advanced stage of training, students are expected to have a comprehensive understanding of the course material. It signifies that the teaching process has been thorough and that students have had the opportunity to engage with and learn all necessary skills and techniques.

Completing all lesson items not only prepares students for safe aquatic activities but also ensures they are competent in the skills they are expected to demonstrate. This completeness is fundamental to a well-structured curriculum and ensures that students do not miss critical components of their training that might be essential for their advancement or safety.

Other options may touch on important aspects of the training process, such as evaluations, progress reports, or safety briefings, but the focus during completion at this high level should primarily be on ensuring that every item in the curriculum has been adequately taught.