HeartCode BLS exam 2023 with verified solutions

emphasis on high-quality CPR compression rate of at least ___ per minute. correct answers100 depth of compressions for children to adult correct answers2 inches depth of compression for infants correct answers1/3 of anterior/posterior diameter of chest. 1 1/2" compressions should be started what time limit? correct answers10 seconds of recognition of cardiac arrest. what are the signs of cardiac arrest? correct answersvictim is unresponsive/not breathing/ineffective breathing time frame to start cpr once suspect of cardia arrest? correct answers10 seconds. you should take no longer than___ seconds to check for a _______. correct answers10, pulse what is the first rescuer to do upon arriving at the scene? correct answerscheck for safety. lone rescuer compression-ventilation ratio of _________ to ___________. correct answers30 compressions to 2 ventilations explain hand placement for chest compressions correct answersthe heel of on hand should be placed on the center of the chest on the lower half of the breastbone. when compressions are of the appropriate depth it creates___ ____ to the body. correct answersblood flow