Question

how can bystanders be helpful to you while you are checking the scene?
they can give encouragement to you while you give care.
they can obtain consent for you to care for the victim(s).
they can assist by calling 9 - 1 - 1 or the local emergency number or retrieving first aid supplies.
all of the above

Explanation:

• Encouragement from bystanders can boost the confidence of the person providing care.
• Obtaining consent is an important legal and ethical step, and bystanders can help with this.
• Calling emergency services or retrieving first - aid supplies are practical ways bystanders can assist.

Answer:

All of the above.