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【多选题】
下列叙述中哪些符合一氧化碳中毒引起的缺氧()
A.
HbCO无携带氧能力
B.
CO抑制RBC之糖酵解,使2,3-DPG减少,氧离曲线左移
C.
呼吸加深变快,肺通气量增加
D.
皮肤、黏膜呈樱桃红色
E.
轻度中毒者表现为头痛、头晕、恶心等
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【单选题】The nurse is caring for a patient medically diagnosed with acute renal failure. What should be the primary focus of the care of this patient?
A.
Prevent infection by administering antibiotics.
B.
Compensate for renal impairment by restoring fluid balance.
C.
Increase fluids to prevent nephroliathasis.
D.
Maintain adequate nutrition by encouraging a high-protein and -calorie diet.
【多选题】The nurse is planning to admit a pregnant patient who is obese. In planning care for this patient, which potential patient needs should the nurse anticipate? Select all that apply.
A.
Bed rest as a necessary preventive measure may be prescribed.
B.
Routine administration of subcutaneous heparin may be prescribed.
C.
An overbed lift may be necessary if the patient requires a cesarean section.
D.
Less frequent cleansing of a cesarean incision, if present, may be prescribed.
E.
Thromboembolism stockings or sequential compression devices may be prescribed.
【简答题】实训9-1 网上购物的配送解决方案实训目的 学生通过网上调研,归纳整理出目前我国网上购物的配送解决方案。实训方式 网上调研,资料分析、整理、汇报演讲。实训内容及步骤1)选取自己感兴趣的一类或几类网上商城进行浏览,调查这些公司(至少3家)提供的网上购物后的配送解决方案。2)分析和比较这些网上商城所采取的配送模式、配送时间、配送范围、收费方式和收费标准,以及提供的其他一些增值服务方式。3)归纳总...
【单选题】已知动圆过点(1,0),且与直线x=-1相切,则动圆圆心的轨迹方程为(  )
A.
x 2 +y 2 =1
B.
x 2 -y 2 =1
C.
y 2 =4x
D.
x=0
【单选题】已知圆C的方程是x 2 +y 2 -4x-4y-10=0,直线l:y=-x,则圆C上有几个点到直线l的距离为 2 2 (  )
A.
1个
B.
2个
C.
3个
D.
4个
【单选题】A nurse is taking care a patient with increased intracranial pressure. Which nursing care is inappropriate with this patient?
A.
Temporarily stop administering medication that affecting the neuro status before Glassgow Coma Scale assessment.
B.
Temporarily adminster 100% O2 before and after suctioning.
C.
Patient should do ROM by looking up to the ceiling for 5 minutes.
D.
Patient should have HOB elevated to 30 degree.
【单选题】A 12-year-old boy has a severe asthmatic attack with wheezing. To treat this patient, the physician should administer
A.
an а1-adrenergic antagonist
B.
a β1-adrenergic antagonist
C.
a β2-adrenergic agonist
D.
a muscarinic agnoist
E.
a nicotinic agonist
【单选题】已知圆C:x 2 +y 2 =4,则过点 P(1, 3 ) 的圆C的切线方程为(  )
A.
3 x-y=0
B.
x+ 3 y-4=0
C.
x- 3 y+2=0
D.
3 x+y-2 3 =0
【单选题】在小型对等网中实现文件共享、打印共享并共享Internet接入,所采用的协议类型为( )
A.
TCP/IP
B.
IEEE 802.3
C.
NetBEUI
D.
IPX/SPX
【简答题】已知圆C:(x-2) 2 +(y-1) 2 =1.则过点A(3,4)的圆C的切线方程为______.
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