A surgeon performing an appendectomy makes an incision through the ventrolateral abdominal wall. The layers of the abdominal wall are shown below.
1. internal oblique
2.external oblique
3.peritoneum
4. transverses abdominis
Which of the following corresponds to the order of penetration of the abdominal wall?
(A)1-3-4-2
(B)2-1-3-4
(C)2-1-3-4
(D)4-1-2-3
(E)4-2-1-3
Answer: (C) 2-1-3-4