单选题 Which of the following would the nurse do for a 4-year-old girl who has just had a lumbar puncture?
A. Administer narcotic analgesic for insertion site pain.
B. Encourage the parents to hold the child.
C. Ensure the child lies flat for at least 8 hours.
D. Place a sandbag over the puncture site for 3 hours.

【正确答案】 B
【答案解析】After a lumbar puncture which is a traumatic procedure for a 4-year-old child, the child needs to be comforted by people she trusts. Thus, the nurse should encourage the parents to hold the child to provide the necessary support.