题型:判断题 While suctioning a client’s laryngectomy tube, the nurse should insert the catheterA. about 1 to 2 inches.B. as the client exhales.C. until resistance is met, then withdraw it 1 to 2 cm.D. until the client begins coughin 查看答案
题型:判断题 放大镜和显微镜都是常用的观察工具。爷爷用放大镜看书,而王磊把书放在显微镜上,什么也看不到,这是因为显微镜只能观察[ ]A.物体表面的材料 B.透光的材料 C.固体的材料 D.液体的材料 查看答案