You just gave 30 compressions to an unconscious choking adult. You checked the mouth and didn't see any obvious object that could be swept clear. You opened the airway and attempted a breath. No air went in. What should you do next?

start studying ch. 18: body composition and nutrition for health. learn vocabulary, terms, and more with flashcards, games, and other study tools. what is a factor to less severe obesity? represents 60-75% total energy expenditure

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.