张大娘最近经常头昏，经医生测定，她的血压是19千帕/14千帕，据此数据，张大娘可能患有[ ]
A．高血压
B．贫血
C．坏血病
D．脑炎
答案：A
喷枪距岩面距离及移动有何要求？
A client with chronic obstructive pulmonary disease (COPD) and cor pulmonale is being prepared for discharge. The nurse should provide which instructions（）
A. "Weigh yourself daily and report a loss of 1 lb in 1 day. "
B. "Eat a high-sodium diet. "
C. "Weigh yourself daily and report a gain of 2 lb in 1 day. "
D. "Maintain bedrest. "
