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【单选题】
要配制 pH=4.0 的缓冲溶液用( )A.
NaH 2 PO 4 -Na 2 HPO 4 (pK a1 =2.12, pK a2 =7.20)
B.
HCOOH-HCOONa(pK a =3.74)
C.
HAc-NaAc(pK a =4.74)
D.
NaHCO 3 -Na 2 CO 3 (pK a1 =6.38, pK a2 =10.25)
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【单选题】Penicillin is a group of antibiotics which include ________, Penicillin V, procaine penicillin and benzathine penicillin.
A.
Penicillin D
B.
Penicillin E
C.
Penicillin F
D.
Penicillin G
【判断题】If the penicillin allergy test is negative, Penicillin can be administered.
A.
正确
B.
错误
【简答题】Penicillin ______ (make) from plant material that the body can absorb.
【单选题】What can be inferred from the passage about penicillin?
A.
It effectively treats fungus infections.
B.
It was developed before nystation.
C.
It was developed before the Second World War.
D.
One of its by-products is nystatin.
【单选题】Penicillin can effectively _________.
A.
treat infections caused by pneumococci and streptococci
B.
treat cross infections
C.
deal with cross resistance
【单选题】(3分) Penicillin is a group of antibiotics which include ________, Penicillin V, procaine penicillin and benzathine penicillin.
A.
Penicillin D
B.
Penicillin G
C.
Penicillin F
D.
Penicillin E
【简答题】If the test is ( ), penicillin can be administered.
【单选题】慢性肾功能不全尿毒症期血肌酐应达到
A.
＞133μmol/L
B.
＞178μmol/L
C.
＞450μmol/L
D.
＞278μmol/L
E.
＞707μmol/L
【单选题】慢性肾功能不全尿毒症期血肌酐应达到
A.
＞133μmol/L
B.
＞178μmol/L
C.
＞450μmol/L
D.
＞278μmol/L
E.
＞70/μmol/L
【简答题】A．Penicillin is a kind of antibiotics and it can kill bacteria. B．All antibiotics can kill bacteria. C．Some antibiotics just slow the bacteria down. D．Thanks to penicillin, the woman's father survived...
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