Intraosseous Access in ALS

Which one of the following statements concerning intraosseous infusion is true?

a) Only crystalloid solutions may be safely infused through the needle.

b) Aspiration of bone marrow confirms appropriate positioning of the needle.

c) Intraosseous infusion is the preferred route for volume resuscitation in small children.

d) Swelling in the soft tissues around the intraosseous site is not a reason to discontinue infusion.