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7、The excitability of skeletal muscles is decreased in acute hypokalemia because( )

A、 Em voltage becomes less negative, and the Na+ channel is inactive

B、 Em voltage becomes more negative, the difference between Em-Et increases

C、 Et elevates, the difference between Em-Et increases

D、 Em voltage becomes less negative, the difference between Em-Et decreases

E、 Et elevates, and the effect of the membrane barrier becomes greater

答案:B

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6、The commonest etiologic factor of DIC is( )
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4、The effects of mild hypokalemia on the physiological characteristics ofmyocardial cells are( )
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8、Treatmentshould be employed immediately during fever except( )
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1、In the presence of portosystemic shunting,portal blood ammonia can not be efficiently converted to( )
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9、The commonest cause of hypotonic dehydration is( )
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1、Which one does not belong to the causes of diseases?( )
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2、The characteristic of heat metabolism in fever during the persistent febrile stage is( )
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15、Why may mononuclear phagocyte system dysfunction influence the development of DIC?( )
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8、In hyperkalemia the serum potassium concentration is more than( )
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3、The routine pathways to excrete water from body are as follows except( )
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7、The excitability of skeletal muscles is decreased in acute hypokalemia because( )

A、 Em voltage becomes less negative, and the Na+ channel is inactive

B、 Em voltage becomes more negative, the difference between Em-Et increases

C、 Et elevates, the difference between Em-Et increases

D、 Em voltage becomes less negative, the difference between Em-Et decreases

E、 Et elevates, and the effect of the membrane barrier becomes greater

答案:B

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6、The commonest etiologic factor of DIC is( )

A.  Trauma

B.  Infection

C.  Surgery

D.  Malignancy

E.  Obstetric complications

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-fbe0-c011-e70794e47801.html
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4、The effects of mild hypokalemia on the physiological characteristics ofmyocardial cells are( )

A.  ↑excitability,↑conductivity,↑automaticity,↑contractibility

B.  ↑excitability,↓conductivity,↑automaticity,↑contractibility

C.  ↓excitability,↓conductivity,↓automaticity,↓contractibility

D.  ↓excitability,↑conductivity,↓automaticity,↑contractibility

E.  ↑excitability,↓conductivity,↑automaticity,↓contractibility

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-7710-c011-e70794e47801.html
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8、Treatmentshould be employed immediately during fever except( )

A.  men

B.  children

C.  pregnant women

D.  patient with severe cardiopathy

E.  the body temperature is high enough(>40℃)

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1、In the presence of portosystemic shunting,portal blood ammonia can not be efficiently converted to( )

A.   alanine

B.   glutamine

C.   urea

D.   glutamine

E.   pyruvic acid

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9、The commonest cause of hypotonic dehydration is( )

A.   Excessive loss of digestive juices

B.   Body fluid loss through the skin

C.   Ascites formation

D.   Excessive loss of blood

E.   Only pure water to replace the loss of water and sodium

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1、Which one does not belong to the causes of diseases?( )

A.  gene mutations

B.  noise

C.  drug poisoning

D.  age and sex

E.  hypersensitivity reaction

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-1950-c011-e70794e47801.html
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2、The characteristic of heat metabolism in fever during the persistent febrile stage is( )

A.  the increase of heat production and decrease of heat loss

B.  the balance between heat production and heat loss

C.  the decrease of heat production and increase of heat loss

D.  the increase of heat production and heat loss

E.  the decrease of heat production and heat loss

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-c148-c011-e70794e47801.html
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15、Why may mononuclear phagocyte system dysfunction influence the development of DIC?( )

A.  It may promote the production of procoagulant substances

B.  Its clearance function is reduced

C.  It may accelerate fibrinolysis

D.   It may release lots of TF

E.   It may damage vascular ECs

https://www.shititong.cn/cha-kan/shiti/0005e187-0db2-0f68-c011-e70794e47800.html
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8、In hyperkalemia the serum potassium concentration is more than( )

A.  3、5mmol/L

B.  4、5mmol/L

C.  5、5mmolL

D.  6、5mmol/L

E.  7、5mmol/L

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-7ee0-c011-e70794e47801.html
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3、The routine pathways to excrete water from body are as follows except( )

A.   Feces

B.  Metabolic water

C.  Evaporation through the skin

D.  Evaporation through the lung

E.   Urine

https://www.shititong.cn/cha-kan/shiti/0005e187-0db1-28f0-c011-e70794e47801.html
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