Heating formula in a microwave is unsafe for infants; premade formula in the fridge is fine. Cleaning a food can and using a can opener correctly are safe practices.
Heating a bottle of formula in the microwave oven would cause the nurse to intervene immediately. Microwaving formula can create hot spots that can burn the baby's mouth and throat, leading to injuries. It is recommended to heat bottles of formula in warm water or bottle warmers instead.
Additionally, premade bottles of formula in the refrigerator are safe as long as they are refrigerated promptly after preparation to prevent bacterial growth. Cleaning the top of a food can with detergent and using a can opener to open cans of baby food are standard practices that do not raise immediate concerns.
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