9. You have gone on a picnic and you see that one of your friends has a nosebleed. What first-aid measures will you take to help your friend?
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You can help prevent nosebleeds by using humidifiers in winter and keeping the lining of the nasal passages moistened with a very thin layer of an ointment such as petroleum jelly in winter or in dry climates. A saline nasal spray can also help keep the nasal cavities moist.
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