One of the first actions to be taken by survivors when they have boarded an inflatable life raft is to __________.

Correct Answer: Option D — take an anti-seasickness pill

Seasickness is a major threat to survival, as it leads to rapid dehydration and lethargy. Taking anti-seasickness medication immediately upon boarding is a critical survival protocol to maintain the physical health and operational capability of the survivors, allowing them to participate in rescue efforts and maintain the raft.