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Before starting CPR you should gently tap the child on the back. If there's no response whatsoever and the infant isn't breathing normally or at all, place the infant on their back and begin CPR. Apply 30 gentle compressions at the rate of ~110/minute. Use two fingers in the center of the chest just below the nipples.
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The drugs that are considered the most dangerous by the DEA are known as Schedule I substances. These are drugs with no current medical use, per analysis by the DEA and FDA. These substances also carry a high potential for abuse and addiction. Heroin, LSD, Marijuana Ecstacy, Quaaludes, Bath salts. Therefore making answer C incorrect