Airway Obstruction--Identifying High-Risk Situations Choking hazards in the home: round, firm foods such as grapes and popcorn, and small nonfood items such as coins, balloons, and marbles. Airway Obstruction: Prevention Because most accidental child strangulations, chokings, and suffocations occur in the home, it's important to carefully childproof your residence. A Primer for Preschooler Safety Your little ones can learn a lot about safety if you take some time to teach them. Here's an ABC that you and your children can recite together. Emergency Contact Information In an emergency, it is easy to "forget" even the most well-known information. That's why it is crucial to complete the information in this form for each member of your household.