当调强束照射且射野数很多时,射野可以,这样可以较好地控制靶区的剂量分布()。 A.直 发布时间:2017-08-17 16:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当调强束照射且射野数很多时,射野可以,这样可以较好地控制靶区的剂量分布()。A.直接穿过重要器官B.避开重要器官C.减少D.增加E.不变
题型:单项选择题 下列概念之间成正比例关系的是( )A.社会必要劳动时间与商品价值量B.个别劳动生产率与单位时间创造的价值总量C.个别劳动生产率与单位商品价值量D.社会劳动生产率与单位时间创造的价值总量 查看答案
题型:单项选择题 反映项目快速偿付流动负债能力的指标公式是()。A.速动比率=(流动资产总额-存货)/流动负债总额×100%B.速动比率=(流动资产总额-存货)/流动性储备总额×100%C.速动比率=(流动资产总额-存货)/流动资金总额×100%D.速动比率=(流动资产总额-存货)/流动资本总额×100% 查看答案
题型:单项选择题 An 8-year-old child with asthma is being switched from parenteral steroid therapy to a daily dose of oral prednisone. Which of the following instructions would the nurse give to the parentsA. Have the child take the dose with meals to prevent gastric irritation.B. Make sure the pill is given intact to maintain the enteric coating.C. Administer the dose before bedtime to minimize side effects.D. Give the medication according to the child’s response. 查看答案