The nurse is caring for four clients on a step-down intensive care unit. The client at the highest risk for developing nosocomial pneumonia is the one who

A. has a respiratory infection.
B. is intubated and on a ventilator.
C. has pleural chest tubes.
D. is receiving feedings through a jejunostomy tub

一个伤口肉芽新鲜的创面，为促进伤口愈合，紫外线的剂量选用（）。

A.亚红斑量

B.强红斑量

C.红斑量

D.超强红斑量

E.弱红斑量