A 4-year-old child is admitted for a cardiac catheterization. Which of the following is most important to include as the nurse teaches this child about the cardiac catheterization? 1. A plastic model...

A 4-year-old child is admitted for a cardiac catheterization. Which of the following is most important to include as the nurse teaches this child about the cardiac catheterization?

1. A plastic model of the heart.

2. A catheter that will be inserted into the artery.

3. The parents.

4. Other children undergoing a catheterization.

5. A client has a reddened area over a bony prominence.