胆道梗阻性病变时,血清胆汁酸改变正确的是()
A:CA和CDCA浓度增加,但以CDCA为主,CA/CDCA<1
B:CA和CDCA浓度增加,但以CA为主,CA/CDCA>1
C:CA和CDCA浓度增加,但以CA为主,CA/CDCA<1
D:CA和CDCA浓度增加,但以CDCA为主,CA/CDCA>1
E:CA和CDCA浓度减少,但以CDCA为主,CA/CDCA>1
出自:医学检验科住院医师