What is the main health reason to take anti-seasickness tablets early after liferaft boarding?

• A. To prevent sunburn
• B. To prevent loss of body moisture by vomiting
• C. To avoid sleepiness
• D. To increase appetite

Answer: (B)

Taking anti-seasickness tablets early is about preventing vomiting, which is crucial for staying hydrated in a liferaft. When you vomit, you lose fluids and electrolytes quickly, and water supplies in survival situations are limited. By taking the tablets before symptoms start, you lessen the chance of vomiting and help keep fluids in your body, reducing dehydration and its risks. Early use also helps because the medicine works best before severe motion sickness sets in; once vomiting begins, absorption can be unreliable and dehydration can worsen. Other choices don’t address this key danger, since sunburn protection, sleepiness, and appetite are not the primary reasons for taking these tablets.