For determining pathogenesis of mechanical icterus you can use such methods:
1) I/v cholangiography
2) Retrograde cholangiography
3) X-ray for gall-bladder region
4) Percutane transliver cholangiography
5) Peroral cholecystography
The correct answer is:
A. 2.,3.,4.
B. 1.,2.,4.,5.
C. 1.,3.,5.
D. 1.,2.,3.
E. 1.,2.,3.,4.,5.
Answer: A. 2.,3.,4.