The Nurse Is Assessing a Child Who Has Significant Edema

The nurse is assessing a child who has significant edema. The nurse finds an increasing respiratory rate and some rales. Which of the following nursing interventions would be best?

A) Place the child in a semi-Fowler's position.
B) Elevate the head of the bed.
C) Place shock blocks under the foot of the bed.
D) Elevate the child's legs on pillows.