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【单选题】
患者女，26岁。右颈单一无痛性淋巴结肿大为2.5cm×3．0cm，活动欠佳。活体组织检查发现包膜完整，无出血及坏死。镜下见其结构已破坏，大量的纤维组织增生及散在一些大细胞，其胞质丰富、透明、核大，有多个核仁，并与周围形成透明的空隙。同时还可见嗜酸性粒细胞、浆细胞及少量的中性粒细胞。该病最可能的诊断为（）
A.
淋巴结转移性癌
B.
淋巴结炎
C.
非霍奇金淋巴瘤
D.
淋巴结反应性增生
E.
霍奇金病，结节硬化型
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参考答案：
举一反三
【单选题】线性规划具有无界解是指
A.
存在某个检验数＞0,且此检验数所在的列上的系数均不＞0
B.
可行解集合无界
C.
有相同的最小比值
D.
最优表中所有非基变量的检验数非零
查看完整题目与答案
【单选题】Several steps in the path of oxygen reduction in mitochondria have the potential to produce highly ______________________ that can react with and damage enzymes, proteins, membrane lipids, and nucleic...
A.
reactive nitrogen species
B.
active protons
C.
reactive oxygen species
D.
active oxygen species
查看完整题目与答案
【单选题】线性规划具有无界解是指( )
A.
可行解集合无界
B.
有相同的最小比值
C.
存在某个检验数λ k >0且
D.
最优表中所有非基变量的检验数非零
E.
:C
F.
程度:中
G.
解析:
H.
:单选题2.线性规划具有多重最优解是指( )
I.
函数系数与某约束系数对应成比例
J.
表中存在非基变量的检验数为零 K. 解集合无界 L. 存在基变量等于零
查看完整题目与答案
【单选题】You stain membrane proteins with a fluorescent-labeled antibody and notice the membrane is evenly stained. After a few hours, all of the fluorescence is at one end of a cell. You can conclude that ( )...
A.
Lipids flip-flop in the membrane
B.
Proteins move laterally in the membrane
C.
The fluorescent dye was bleached
D.
Proteins act as transporters
查看完整题目与答案
【单选题】Molecules that are soluble in ___________ can pass through the fatty acid portion of the cell membrane unassisted.
A.
water
B.
cholesterol
C.
gases
D.
lipids
查看完整题目与答案
【多选题】Following vesicle docking, how do SNARE proteins catalyze the fusion of the vesicle and target membranes?
A.
Once appropriately triggered, the tight pairing of v-SNAREs and t-SNAREs draws the two lipid bilayers into close apposition.
B.
The force of the SNAREs winding together squeezes out any water molecules that remain trapped between the two membranes, allowing their lipids to flow together to form a continuous bilayer.
C.
In a cell, other proteins recruited to the fusion site help to complete the fusion process.
D.
After fusion, the SNAREs are pried apart so that they can be used again.
查看完整题目与答案
【单选题】The fluid mosaic model of the membrane describes the membrane as
A.
containing a significant quantity of water in the interior.
B.
composed of fluid phospholipids on the outside and protein on the inside.
C.
composed of protein on the outside and fluid phospholipids on the inside.
D.
made of proteins and lipids that can freely move.
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【单选题】患者女,28岁。停经40天,下腹隐痛2天、加重1天入院。查体:面色苍白,四肢湿冷,体温不升,脉搏126次/分,血压70/50mmHg,此时最适宜的体位是
A.
侧卧位
B.
俯卧位
C.
中凹卧位
D.
半坐卧位
E.
去枕仰卧位
查看完整题目与答案
【单选题】患者女,28岁。停经40天,下腹隐痛2天、加重l天人院。查体:面色苍白,四肢湿冷,体温不升。脉搏126次/分,血压70/50mmHg,此时最适宜的体位是
A.
侧卧位
B.
俯卧位
C.
中凹卧位
D.
半坐卧位
E.
去枕仰卧位
查看完整题目与答案
【单选题】Given that the liver synthesizes most of the plasma proteins, severe liver disorders can be expected to cause
A.
decreased osmotic pressure of the blood plasma
B.
less efficient transport of iron ions and lipids
C.
diminished clotting ability
D.
all of those
查看完整题目与答案
相关题目：
【单选题】线性规划具有无界解是指
A.
存在某个检验数＞0,且此检验数所在的列上的系数均不＞0
B.
可行解集合无界
C.
有相同的最小比值
D.
最优表中所有非基变量的检验数非零
查看完整题目与答案
【单选题】Several steps in the path of oxygen reduction in mitochondria have the potential to produce highly ______________________ that can react with and damage enzymes, proteins, membrane lipids, and nucleic...
A.
reactive nitrogen species
B.
active protons
C.
reactive oxygen species
D.
active oxygen species
查看完整题目与答案
【单选题】线性规划具有无界解是指( )
A.
可行解集合无界
B.
有相同的最小比值
C.
存在某个检验数λ k >0且
D.
最优表中所有非基变量的检验数非零
E.
:C
F.
程度:中
G.
解析:
H.
:单选题2.线性规划具有多重最优解是指( )
I.
函数系数与某约束系数对应成比例
J.
表中存在非基变量的检验数为零 K. 解集合无界 L. 存在基变量等于零
查看完整题目与答案
【单选题】You stain membrane proteins with a fluorescent-labeled antibody and notice the membrane is evenly stained. After a few hours, all of the fluorescence is at one end of a cell. You can conclude that ( )...
A.
Lipids flip-flop in the membrane
B.
Proteins move laterally in the membrane
C.
The fluorescent dye was bleached
D.
Proteins act as transporters
查看完整题目与答案
【单选题】Molecules that are soluble in ___________ can pass through the fatty acid portion of the cell membrane unassisted.
A.
water
B.
cholesterol
C.
gases
D.
lipids
查看完整题目与答案
【多选题】Following vesicle docking, how do SNARE proteins catalyze the fusion of the vesicle and target membranes?
A.
Once appropriately triggered, the tight pairing of v-SNAREs and t-SNAREs draws the two lipid bilayers into close apposition.
B.
The force of the SNAREs winding together squeezes out any water molecules that remain trapped between the two membranes, allowing their lipids to flow together to form a continuous bilayer.
C.
In a cell, other proteins recruited to the fusion site help to complete the fusion process.
D.
After fusion, the SNAREs are pried apart so that they can be used again.
查看完整题目与答案
【单选题】The fluid mosaic model of the membrane describes the membrane as
A.
containing a significant quantity of water in the interior.
B.
composed of fluid phospholipids on the outside and protein on the inside.
C.
composed of protein on the outside and fluid phospholipids on the inside.
D.
made of proteins and lipids that can freely move.
查看完整题目与答案
【单选题】患者女,28岁。停经40天,下腹隐痛2天、加重1天入院。查体:面色苍白,四肢湿冷,体温不升,脉搏126次/分,血压70/50mmHg,此时最适宜的体位是
A.
侧卧位
B.
俯卧位
C.
中凹卧位
D.
半坐卧位
E.
去枕仰卧位
查看完整题目与答案
【单选题】患者女,28岁。停经40天,下腹隐痛2天、加重l天人院。查体:面色苍白,四肢湿冷,体温不升。脉搏126次/分,血压70/50mmHg,此时最适宜的体位是
A.
侧卧位
B.
俯卧位
C.
中凹卧位
D.
半坐卧位
E.
去枕仰卧位
查看完整题目与答案
【单选题】Given that the liver synthesizes most of the plasma proteins, severe liver disorders can be expected to cause
A.
decreased osmotic pressure of the blood plasma
B.
less efficient transport of iron ions and lipids
C.
diminished clotting ability
D.
all of those
查看完整题目与答案
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