Which of the following is the most accurate description of a value network?
A. a system of organizations and resources involved in moving a product from supplier to customer
B. a system of partnerships and alliances that a firm creates to source, augment, and deliver its offerings
C. a network that allows an organization to take the finished products to the end-users
D. a communication network that allows an organization to transfer information to end-customers
查看答案
药物产生副作用的药理基础是:
A.用药剂量过大
B.药理效应选择性低
C.患者肝功能不良
D.用药剂量不足
评价药物作用强度的指标是:
A.LD50和ED50
B.最小有效量和最小中毒量
C.效价强度和效能
D.治疗指数和安全范围
评价药物安全性的指标是:
A.最小中毒量
B.效价强度
C.ED50
D.治疗指数