Signs for stress in Stage 1 before the dive include:

Recognizing signs of stress in divers is crucial for ensuring safety before and during a dive. In Stage 1, which occurs before the dive, divers may display several signs of stress, which can manifest in various forms. Each of the signs listed contributes to a diver's overall readiness and mental state.

Irritability and frustration can be indicators that a diver may be experiencing anxiety or discomfort about the upcoming dive, which can affect their performance and decision-making. Unusual behaviors can signify that a diver is not acting like themselves, potentially due to stress or apprehension. Difficulty with equipment can be another sign, as stress can impair focus and create challenges in managing gear, reflecting a lack of preparedness or confidence.

By understanding that these signs can present concurrently, the conclusion that all the provided options represent indicators of stress is valid. Identifying and addressing these signs before a dive is essential for maintaining safety and ensuring a positive diving experience.