A client with acute respiratory failure is intubated and placed on mechanical ventilation. Which intervention is most appropriate when suctioning the client

A. Insert the suction catheter while applying suction.
B. Apply suction until all the secretions have been removed.
C. Use the same catheter to first suction the mouth, then the endotraeheal tube.
D. Preoxygenate with 100% oxygen before suctionin

下列关于总部资产的说法，不正确的是（）。

A.总部资产的账面价值难以完全归属于某一资产组

B.总部资产难以单独进行减值测试，需要结合其他相关的资产组或资产组组合

C.总部资产是指难以脱离其他资产或资产组产生独立的现金流入

D.总部资产就是指资产组组合