when giving a rescue breath, you should: a. blow hard and fast. b. blow in for about 1 second and make the chest clearly rise. c. give a breath that lasts for several seconds. d. blow harder if the chest does not rise.

when giving a rescue breath, you should blow in for about 1 second and make the chest clearly rise (option-b).What is the rescue breath technique?Give two rescue breaths for each round of 30 chest compressions. Gently tilt the person's head, then with two fingers, raise the chin. Grab the individual by the nose. You should place your mouth over theirs and blow into their mouth for about a second while being steady and forceful.emergency breathing The head-tilt, chin-lift technique should be used to open the airway. To create a seal, cover the person's mouth with yours and pinch their noses shut so they can breathe through their mouths. First, rescue the victim with a one-second breath, and then check to see whether the chest rises.To know more about rescue breath visit:https://brainly.com/question/9079912#SPJ4