有关吗啡的药理作用下述错误的是（）

A.呼吸抑制程度与剂量相关

B.镇痛作用，且可产生欣快感和依赖性

C.镇咳作用，缩瞳作用

D.治疗剂量对正常人的心血管系统有轻度抑制作用

E.可由于释放组胺和直接作用于平滑肌而引起支气管收缩

Mr. W is with bipolar disorder, manic phase, with a nursing diagnosis of Imbalanced nutrition: less than body requirements. In order to help the client meet recommended daily allowances of nutrients, which of the following nursing interventions should be included in the plan of care

A. Tell the client to sit alone at mealtime so that he won’t be distracted by others.
B. Teach the client about proper nutrition.
C. Give the client half of a meat and cheese sandwich between meals.
D. Inform the client that snacks are available only if he eats properly at mealtime.