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单选题
中性缓冲甲醛固定液配方是()
A
40%甲醛10ml,0.01mol/L蒸馏水90ml
B
10%甲醛10ml,0.01mol/LpH7.4的PBS90ml
C
40%甲醛10ml,0.01mol/LpH7.4的PBS90ml
D
10%甲醛10ml,0.01mol/L蒸馏水90ml
E
40%甲醛10ml,0.01mol/LpH7.4的PBS100ml
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乙醇一甲醛液固定与脱水二者兼之,其配方是()A、85%乙醇90ml+40%甲醛10mlB、90%乙醇90ml+40%甲醛10mlC、95%乙醇90ml+40%甲醛10mlD、80%乙醇90ml+40%甲醛10mlE、75%乙醇90ml+40%甲醛10ml
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单选题中性缓冲甲醛固定液配方是()。A
40%甲醛10ml,0.01mol/L蒸馏水90mlB
10%甲醛10ml,0.01mol/LpH7.4的PBS90mlC
40%甲醛10ml,0.01mol/LpH7.4的PBS90mlD
10%甲醛lOml,O.01mol/L蒸馏水90mlE
40%甲醛10ml,O.01mol/LpH7.4的PBS100ml
考题
单选题中性缓冲甲醛固定液配方是()A
40%甲醛10ml,0.01mol/L蒸馏水90mlB
40%甲醛10ml,0.01mol/LpH7.4的PBS90mlC
40%甲醛10ml,0.01mol/LpH7.4的PBS100mlD
10%甲醛10ml,0.01mol/LpH7.4的PBS90mlE
10%甲醛10ml,0.01mol/L蒸馏水90ml
考题
单选题中性缓冲甲醛固定液配方是( )A
40%甲醛10ml,0.01mol/L蒸馏水90mlB
10%甲醛10ml,0.01mol/LpH7.4的PBS90mlC
40%甲醛10ml,0.01mol/LpH7.4的PBS90mlD
10%甲醛lOml,O.01mol/L蒸馏水90mlE
40%甲醛10ml,O.01mol/LpH7.4的PBSl00ml
考题
单选题乙醇一甲醛液固定与脱水二者兼之,其配方是( )A
85%乙醇90ml+40%甲醛10mlB
90%乙醇90ml+40%甲醛10mlC
95%乙醇90ml+40%甲醛10mlD
80%乙醇90ml+40%甲醛10mlE
75%乙醇90ml+40%甲醛10ml
考题
单选题甲醛常作为尿液的防腐剂,一般每升尿中加入()A
10%甲醛溶液5~10mlB
20%甲醛溶液10~15mlC
30%甲醛溶液5~10mlD
40%甲醛溶液5~10mlE
50%甲醛溶液5~10ml
考题
单选题甲醛熏蒸如用于房间空气消毒,按每立方米空间计算,正确的是()。A
40%甲醛2ml,加高锰酸钾1gB
40%甲醛4ml,加高锰酸钾1gC
40%甲醛6ml,加高锰酸钾3gD
40%甲醛10ml,加高锰酸钾3gE
40%甲醛10ml,加高锰酸钾10g
考题
单选题使用甲醛蒸气消毒灭菌,应该是( )。A
40%甲醛持续40minB
10%甲醛持续40minC
40%甲醛持续10minD
10%甲醛持续10minE
100%甲醛持续10min
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