In developing a plan of care for a client with rheumatoid arthritis, the nurse should consider that clients with rheumatoid arthritis should be positioned so as to

A. prevent flexion deformities of the joints.
B. decrease edema around the joints.
C. promote maximum comfort.
D. prevent venous stasis.

室间隔缺损的典型杂音是（）

A.胸骨左缘2～3肋间Ⅲ级以上连续性杂音

B.胸骨左缘2～3肋间Ⅲ级以上舒张期杂音

C.胸骨左缘3～4肋间Ⅲ级以上收缩期杂音

D.胸骨左缘3～4肋间Ⅲ级以上舒张期杂音

E.以上都不对