筒式烘丝机筒体温度上不去的原因之一是：冷凝水管路（）过大而影响排水。

A client returns from a myelogram, for which an iodized oil (Pantopaque) was used. Which one of the following nursing measures would be included in his care（）

A. Bed rest with bathroom privileges.

B. Restricted fluid intake.

C. Head of the bed elevated 45 degrees.

D. Assessment of lower extremity movement and sensation.