Final answer:
A bystander should call 911 if the child is crying loudly, seems confused, or is bleeding.
Step-by-step explanation:
When a child has fallen while riding a bike, a bystander should call 911 if the child is experiencing certain symptoms. These symptoms include:
- Crying loudly: If the child is crying loudly, it may indicate severe pain or injury that requires medical attention.
- Confusion: If the child seems confused, disoriented, or unable to answer simple questions, it may be a sign of a head injury or concussion.
- Bleeding: If the child is bleeding heavily or has a deep wound, it is important to call for professional medical help.
However, the decision to call 911 can also depend on the severity of the injury and the availability of immediate medical assistance. It is always better to err on the side of caution and seek medical help when in doubt.
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