Anatomy Book Qs

Question 1

layers of abdomen muscles? (3)

Answer 1

rectus abdominis
internal oblique
external oblique

Question 2

what spinal segments innervate the anterior abdominal was?

Answer 2

T7-12

Question 3

what is the inguinal ligament attached to?

Answer 3

anterior superior iliac spine

pubic tubercle

Question 4

what is roof and floor of inguinal canal?

Answer 4

roof - medial crus

floor - lacunar ligament

Question 5

contents of inguinal canal?

differen in male/female?

Answer 5

spermatic cord (male) round ligament (female)
genital branch nerve
ilioinguinal nerve

Question 6

direct and indirect inguinal hernia?

Answer 6

indirect is most common and is a weakness in the deep inguinal ring allowing contents to enter the canal

direct is contents pushing against the posterior wall of the inguinal canal

Question 7

what is the most sensitive layer of the peritoneum?

Answer 7

parietal

Question 8

parietal peritoneum lining the abdominal wall is supplied from what nerves?

Answer 8

T7-L1

Question 9

External oblique action and innervation?

Answer 9

rotation & flexion

T7-12

Question 10

Internal oblique action and innervation?

Answer 10

respiration & support

lumbar plexus

Question 11

transversus abdominis action and innervation?

Answer 11

raise intra-abdominal pressure

T7-12

Question 12

rectus abdominis action?

Answer 12

flexion of lumbar spine

Question 13

what level are the 3 main arterial branches?

Answer 13

T12
L1
L3