The nurse noticed that an 8-month-old child’s posterior fontanel is slightly open. Which of the following should the nurse do next

A. Check the child’s head circumference.
B. Question the mother about the child’s delivery.
C. Schedule an X-ray of the child’s head.
D. Document this as a normal findin

疼痛过程中，每次评估间隔时间不大于（）

A.30h

B.1h

C.1.5h

D.2h

E.2.5h