In martial art movies, it has been known that a martial artist karate chops an enemy's neck and they pass out. What is the name of this move? What does this move disrupt in a persons body that causes them to pass out?

Achildren’s pain relief elixir contains 80. mg acetaminophen per 0.50 teaspoon. the dosage recommended for a child who weighs between 24 and 35 lb is 1.5 teaspoons. what is the range of acetaminophen doses, expressed in mg acetaminophen/kg body weight, for children who weigh between 24 and 35 lb