A triangular bandage folded into a cravat can be used to bandage the palm of the hand. (True or false?)

A triangular bandage folded into a cravat can be used to bandage the palm of the hand.
 
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If blood soaks through the first dressing, you must remove it and reapply with a fresh dressing.
 
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To improvise a sling for an arm, you can use a belt.
 
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A dressing should cover all the edges of the bandage.
 
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Slings are used to support injuries of the shoulder, arms, or ribs.
 
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