Which of these is nota claim that indicates a product is most likely fraudulent ?

In general, health fraud drug products are articles of unproven effectiveness that claim to treat disease or improve health. In addition to wasting billions of consumers' dollars each year, health scams can lead patients to delay proper treatment and cause serious—and even fatal—injuries.
so the answer is Use only as directed 

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.