In case of incarcerate hernia ileus can be not obligatory if it is:
1) Elastic incarceration
2) Incarcerate omentum
3) Retrograde incarceration
4) Faecal incarceration
5) Richter type incarceration
A. 1., 3., 4.
B. 1., 3., 5.
C. 1., 3., 4., 5.
D. 2., 5.
E. 1., 2., 3., 4., 5.
Answer: D. 2., 5.