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ڵλã ҽѧȫ > ִҵҩʦ > ִҵҩʦ > ģ > :2019ִҵҩʦҩһǰǿ(3)

2019ִҵҩʦԡҩѧרҵ֪ʶһǿ(3)

ʱ䣺2019/9/10 ִҵҩʦ̳ Уγ

2019ִҵҩʦҩһǰǿ⣨3)

ѡ⡿

ҩúҩЧӦص㣬ȷ

A.ѡ

B.ʹµĹ

C.úͲӦ

D.ҩЧӦ˷ֻܺ

E.ͨӰܶ

ο𰸣B

𰸽ҩԵڻԭйܲʹ¹ܡ

ѡ⡿

ڶƵҩ÷ʽ

A.ȵߵѪ

B.˾ƥð

C.ƽѪѹߵѪѹ

D.Ľʹķ

E.ùĤɪĤ

ο𰸣E

𰸽ùĤɪԼĤ˲ڶƣѡǶ֢ơ

ѡ⡿

ABCҩLD50ֱΪ204060mg/kg;ED50ֱΪ101020mg/kg䰲ȫԴС˳ӦΪ

A.A>C>B

B.B>C>A

C.C>B>A

D.A>B>C

E.C>A>B

ο𰸣B

𰸽ָ(TI)LD50/ED50ҩֱָ243ѡB

ѡ⡿

ʷӦҩED50ָҩ

A.50%ϵļ

B.50%ЧӦļ

C.ЧӦ50%ļ

D.50%жļ

E.ﵽ50%ЧѪŨȵļ

ο𰸣B

𰸽50%ԷӦ(ʷӦ)50%ЧӦ(Ӧ)ŨȻֱðЧ(ED50)ЧŨ(EC50)ʾ

ѡ⡿

A.LD50

B.ED50

C.LD50/ED50

D.LD1/ED99

E.LD5/ED95

1.ָ

2.Ч

3.

ο𰸣CBA

𰸽ָ(TI)LD50/ED50;Ч(ED50)(LD50)

ѡ⡿

ҩLD50ED50ֱΪ20mg/kg2mg/kgҩֱΪ30mg/kg6mg/kgȷ

A.ҩĶԽǿȴϰȫ

B.ҩĶԽȽϰȫ

C.ҩЧϰȫ

D.ҩЧǿϲȫ

E.ҩЧǿҽϰȫ

ο𰸣AE

𰸽LD50ԽԽСҩԴED50ԽСЧԽãҩЧǿ;ָ(TI)LD50/ED50ҩֱָ105Լҩҩȫ

ѡ⡿

¹ҩЧӦ˵ȷ

A.ҩһΪֲúȫ

B.ҩЧӦǿΪ˷ܣΪ

C.ҩЧӦǻ巴Ӧľ֣ҩõĽ

D.ҩҩ໥ijʼ

E.ҩЧӦڲͬٵͬһ֯ҲɲͬЧӦ

ο𰸣ABCDE

𰸽⿼ҩҩЧӦѡ˵ȷģҪ䡣

ѡ⡿

Ͳ

A.ϸ˼

B.Դ

C.ͨ

D.Gż

E.ἤø

ο𰸣B

𰸽¿ɷΪ¼ࣺ

1.Gż

2.ſصͨ

3.ø

4.ϸ˼

ҩϵص㣬ȷ

A.

B.

C.

D.

E.־

ο𰸣E

𰸽ʣ

1.

2.

3.

4.

5.

ѡ⡿

A.ȫҩ

B.׿ҩ

C.ּҩ

D.Ǿ׿ҩ

E.Լҩ

1.кܸߵ׺ڻ(=1)ҩ

ο𰸣A

ȫҩ׺ڻ(=1)ܸ;

2.кܸߵ׺ڻԲǿ(<1)ҩ

ο𰸣C

ּҩ׺ߣڻԲǿ(0<<1);

3.кܸߵ׺ȱڻ(=0)뼤ҩãǿҩļŨʱҩ-ЧƽƣЧӦҩ

ο𰸣B

׿ҩнǿ׺ȱڻ(=0)ʲܲЧӦ

ѡ⡿

ڶʹ

A.Ach

B.Ca2+

C.cGMP

D.

E.cAMP

ο𰸣BCDE

𰸽ڶʹΪһʹڰϸڰڲϢӣڶʹõϢǿֻϲݸЧӦܷضܻҩЧӦ緢ֵĵڶʹǻ(cAMP)ĿǰѾ֤cGMPIP3DGPGsCa2+ȶźתĵڶʹ

ѡ⡿

ҩϳʱ䣬ҩЧ𽥼ӴܳҩЧ

A.ҩ

B.

C.

D.ϰ

E.

ο𰸣B

𰸽ԣҩ䷴ӦԻ𽥽ͣҪҩάԭЧעҩԡ

ѡ⡿

³עҺмʹҩֲѪ³գʹӳԽͣ

A.

B.ǿ

C.

D.׿

E.ҩ׿

ο𰸣B

𰸽ûоãþӳǿá

ѡ⡿

ŴضҩӰ

A.

B.

C.

D.

E.ʷӦ

ο𰸣BCDE

𰸽ŴIJǹҩﷴӦľءҪ֣졢졢ʷӦ

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