Which of the following describes an accident chain? a. a sequence of events that lead to an accident b. a series of accidents happening around the same time c. a safety chain you wear to prevent accidents d. a list of accidents that cannot be avoided

B

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The answer is B

Explanation:

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when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.