The client is taking medication to control his cancer pain. Which of the following statements indicates that the client needs further instruction

A．"I should take my medication around-the-clock to control my pain. "

B．"I should skip doses periodically so I don't get hooked on my drugs. "

C．"It is okay to take my pain medication even if I am not having any pain. "

D．"I should contact the oncology nurse if my pain is not effectively controlled. "

拆卸部件或组件时应依照（）

A.从外部到内部，从上部到下部的次序依次拆卸

B.从内部到外部，从上部到下部的次序依次拆卸

C.先易后难折卸组件或零件