Which of the following first aid methods is most effective in restoring a regular heartbreak in an individual whose heart has entered a quivering state? A. The use of chest compressions

B. The use of an automated external defibrillator

C. The use of mouth to mouth breathing

D. The administration of CPR

Cognitive development discussion question: must be at least 1 paragraph. how can you demonstrate responsible personal and social behavior during physical activities? *example: responsible personal behavior- locating dangers in your surroundings on a field; i. e. man hole covers, brick signs, holes, broken glass, etc. *example - acknowledge the performance of others, no matter the outcome *example: responsible social behavior – learning to accept rulings from officials, handling stressful situations, knowing your team role and doing your job *example - practice conflict management and listening skills in a competitive atmosphere

Which of these is likely to be the best source of valid health information?

In 2009, a flu pandemic was believed to have originated when viral transmission occurred from pig to human, thereby earning the designation, "swine flu." although pigs are thought to have been the breeding ground for the 2009 virus, sequences from bird, pig, and human viruses were all found within this newly identified virus. what is the most likely explanation of why this virus contained sequences from bird, pig, and human viruses? a) the virus was descended from a common ancestor of bird, pig, and human flu viruses. b) the infected individuals happened to be infected with all three virus types. c) related viruses can undergo genetic recombination if the rna genomes mix and match during viral assembly. d) the human was likely infected with various bacterial strains that contained all three rna viruses.