GIS Supplementary Questions

Question 1

The usual location for an appendectomy incision is the: [quadrant]

Answer 1

Right lower quadrant

Question 2

The inferior border of the rectus sheath posteriorly is called the:

Answer 2

Arcuate line

Question 3

You were asked to assist in a surgical operation on a young patient to treat an ulcer in the first part of the duodenum. You would expect that the surgeon will approach the ulcer by doing an anterior abdominal wall incision in the following region:

Answer 3

Epigastric region

Epigastric: duodenum, part of the stomach, part of the liver, pancreas
Left inguinal: sigmoid colon
Left lumbar region: descending colon, left kidney
Right hypochondrium: part of the liver, gall bladder
Hypogastric region: bladder, rectum

Question 4

Following an emergency appendectomy your patient complained of having paresthesia (numbness) of the skin at the pubic region. The most likely nerve that has been injured during the operation is:

Answer 4

Iliohypogastric nerve

Question 5

An obstetrician decides to do a Caesarean section on a 25-year-old pregnant woman. A transverse suprapubic incision is chosen for that purpose. All of the following abdominal wall layers will be encountered during the incision EXCEPT the:
A. Anterior rectus sheath
B. Posterior rectus sheath
C. Rectus abdominis muscle
D. Skin and subcutaneous tissue
E. Transversalis fascia, extraperitoneal fat, and peritoneum

Answer 5

B

Question 6

Surgical approaches to the abdomen sometimes necessitate a midline incision between the two rectus sheaths, i.e., through the:

Answer 6

Linea alba