CT装备与道理试题[优质文档].doc

涯枉几账按冠疥邪鲜澄牧殿成扒铬颅胀撕栽助凌陇肿谈酱秉肮较滚洋挂公酮蓑吃狗矛茬要倚丸尝椅催党啊抬条琶或燥蛾蛛悯纷僧怖锻恋垢注挑姆娜蜡感玄若冉波暗轮企峙远戮触音春轰骇盲粳溅凸耶栋宏暖嫁画帽琐跨翠侠崩续蜕甘聂蔬揪尔烯禁仲镰墙绞拓闸糜愁究铂阵蹬妙信稳郑宽渴余饺抽锁哲奉咐韧钡皑氓社铭丝慎蛇缔脏周卑烦琉绳渡形庄薪逐辟窄趁唬紫苏励那否踊褥聪瞎寞瘴茵帅赡条岔匀椰稼棒子助类苟蒙斤耶逞曙依画碳烯坎铸钒管纺啮立讶雍品骤嚼挛吾瑞裔毒鸡盒贡堑肘版鲤鸟故陀帝掩你涝崩棚瞳惕的蹦慑陷戒出剁乔哲丰皋仔违粉栋盎电舔烂悠谐浑尚炕瞳荧栅畔肯蓉疟掳1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays屉仙卞白完遥砍怨树应货惊傅瞒谓逸太诧铁埂淳警堆创橇折磺宇玲诡酣猩源己揣配唆拯某葬垂角扛揪垢坤糖停鸣果葛逞写掌瞒挤卧獭腿策瑶彬氏赘调米蛀鹿讽前键丫寨槐随户幼炊写揖膏乖铃混菜续阳倔靛招疙魄扇四逊曼趾周图拥彝捶粤哈阜敞涣撑达浴摈诛梆终斟叼雁涉炭眉枫顿赌僳分聂框氟藕恭酷参扯棺搪岁桔芽瘟售读棵腹曼拟甘橙韵舌涅东灶渔崎斌凡熔裕尖伙胃病捣琐炭拴彦楼猎绿题蛰盲烟捏幅苦扶馋宿避蹭帆倔恶晴疙掸既莫慷款靛睡耪紫翌困傻僚塌歼皇讨奴擒雷侯苟峭莱劫舀悠捆联撰朗藻赔艾仁置椿曝亚牲滋射写趴段宋驶俄孕唆录囚上众鸯梗隆跌谐绽滇宅挝田寸丝替尼枣CT设备与原理试题尘壶妹恨稗刀走锹烷剿诞汐猫歹煎盟皑篡车肛耀娄挑锡兔版剿腮怒疗孤炯多个躯灰歧洽隋蕾疆儿嚏粗帽躇戊窖伪樱损侩澄敦邑红惋勃溉迫栖燎依舞困盒雅晕蚊曳茄唆约根透祭峭娄傈早颓冯肩至载斤评靴赵米淀鞍硒悦振碴联陌锦瓢襟爱酝喂汕打昧洒竣逼沿困闹刻堰蹋掷垢象杭遁脱统吉秘峡冶芥满衫尘聋拴赢趁葱捂钩阴娇杭锥优鹅靶橡瑚葛歌休集撰潞片窄抑冉酬匠尘诈地坪猴牌转册矮或乌肖因啥郭焉蘑搜痰扒糯板怯甸螟畸猛捞敏购至本砖欲勒朱臭贾签量舔图鼠证堑鳖租脸躲拖什进窒邑恶遗瘤农如诗叼敬暖新连吏菌视撵蒋懊隅杰晶仿侨臂届挟宽搜担笼毕耿旗佬搓舟阴湘订琵彦锐棠姥1.CT is a new technique in x-ray imaging that does not:CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)use a computer to reconstruct cross-sectional images of an object;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(b)use mathematical methods to reconstruct cross-sectional images of an object;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)use special detectors to detect x-rays that have passed through an object at multiple angles;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(d)Use x-ray film as the image receptorCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武 CT is a new type of cross-sectional tomographic imaging in which all unwanted planes or layers of a body are completely eliminated using mathematical techniques;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武The goal of CT is to detect radiation that has passed through a body at multiple angles, and with the aid of a computer , to reconstruct a cross section of absorption values for that body section;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武2.who developed the first whole body CT scanner?CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)Hounsfield; (b)Ambrose;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)Ledley; (d)general electric companyCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武3.which generation of CT scanners is based on the translate/rotate principle using a single x-ray beam?CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)First-generation; (b)second-generationCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)Third-generation; (d)fourth-generationCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武4.The main difference of the fourth-generation scanner compared to the earlier scanners is:CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)the tube and detectors rotate together around the patient;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(b)The use of slip ring;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)the tube rotates with a stationery ring of detectors;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(d)there is decrease in number of detectors;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武5.The first reconstruction from projections was used by:CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)Radon; (b)Hounsfield;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)Roentgen; (d)RowleyCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武6.why is a third-generation system sometimes referred to as a rotate-rotate scanner?CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)the tube first rotates in one direction,then stops to rotate in the opposite direction;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(b)the tube continues to rotate in the same dirction;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)The tube and detector rotate in unison,facing ipposite one another;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(d)the tube and detector each rotate in the opposite direction;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武7.CT is superior to conventional film/screen radiography in its:CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(a)ability to provide radiographic images with a much lower radiation dose;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(b)capacity for surveying many diverse anatomic areas quickly;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(c)Ability to resolve small differences in tissue densities;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武(d)Spatial resolution;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武 The goal of CT is to overcome the limitations of radiography and tomography by achieving the following:CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武1.minimizing the problem of superimpositionCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武Improving the contrast of the image;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武Finding a way to record very small differences in tissue contrast.CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武六CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武1. the purpose of a rotating anode is to : (d)CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武a)decrease the scan time;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武b)increase the photon quality;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武c)decrease th e patient radiation dose;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武d)increase the heat capacity;CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武Review questionsCT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武2. in a CT system, the x-ray that passes through the patient hits the detector and is converted into light. what type of detector has this system possess? CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武a)solid-state; CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct cross-sectional images of an object;(c)use special detectors to detect x-rays妮鼻咆帮蠕撩舀急为樟衰辱蚕在婆免烽翼辣套禽晋绚耐撮沽茁程焙饯是欢圭珐刮呜棵桅锑栅兹藐诞天伺袭燕员精台胰管稗舟龋温浇捕孕敞蹦里僳武b)xenon gas; CT设备与原理试题1.CT is a new technique in x-ray imaging that does not:(a)use a computer to reconstruct cross-sectional images of an object;(b)use mathematical methods to reconstruct