The Mother of a Child 2 Years of Age Tells

The mother of a child 2 years of age tells the nurse she always cleans the child's ears with a hairpin. What would the nurse tell the mother?

A) "That's not good. Use a Q-tip or your finger instead."
B) "You really like to keep your child clean. Good for you!"
C) "That is dangerous; you might puncture the eardrum."
D) "Show me exactly how you use the hairpin."