The mother of a 7-year-old girl is asking the nurse's advice about getting her daughter a 2-wheel bike. Which response by the nurse is most important?
a) "Be sure to get the proper size bike."
b) "Learning to ride the bike will improve her coordination."
c) "Teach her where she'll land on the grass if she falls."
d) "She won't need a helmet if she has training wheels."
Answer: "Be sure to get the proper size bike."