Abdomen

Question 1

Dermatomal level of the umbilicus

Answer 1

T10

Question 2

Vertebral level of the subcostal plane

Answer 2

L3

Question 3

9 regions of the abdomen

Answer 3

Epigastric
Umbilical
Hypogastric / pubic
R/L hypochondriac
R/L lumbar
R/L inguinal

Question 4

Most superficial abdominal muscle; runs obliquely downward and medially

Answer 4

External oblique

Question 5

Abdominal muscle that runs upward and medial

Answer 5

Internal oblique

Question 6

Aponeurotic fibers of internal oblique + transversus abdominis

Answer 6

Conjoint tendon

Question 7

Crescentic border on the posterior wall; midway b/w umbilicus and pubic crest

Answer 7

Arcuate line

Question 8

Posterior wall of rectus sheath below ASIS

Answer 8

Transversalis fascia

Question 9

Anterior layer of rectus sheath below arcuate line

Answer 9

Aponeurosis of external, internal oblique and transversus abdominis

Question 10

Posterior wall of rectus sheath above the arcuate line

Answer 10

Aponeurosis of the transversus abdominis and internal oblique muscle

Question 11

Anterior wall of the rectus sheath above the arcuate line

Answer 11

Aponeurosis of the external and internal oblique muscle

Question 12

Contents of rectus sheath

Answer 12

Rectus abdominis
Pyramidalis
Sup and inf epigastric vessels
Lower 5 intercostal and subcostal vessels and nerves

Question 13

Blood supply and drainage of the rectus sheath

Answer 13

Sup epigastric -from internal thoracic
Inf epigastric -from ext iliac
Deep circumplex -from ext iliac

Question 14

Boundaries of the inguinal/ Hesselbach’s triangle

Answer 14

Inf epigastric a.
Inguinal/Poupart’s ligament
Rectus abdominis

Question 15

Contents of the inguinal CANAL

Answer 15

Spermatic cord/ round ligament

Ilioinguinal nerve

Question 16

Structures within the spermatic cord

Answer 16

vas deferens
testicular artery, veins, lymph vessels
Autonomic n.
Processus vaginalis
Cremasteric a.
Artery of vas deferens
Genitofemoral n. (genital br)

Question 17

Results from dilatations of tributaries of testicular vein (pampiniform plexus)

Answer 17

Varicocele

Question 18

(+) transillumination test

Answer 18

Hydrocele

Question 19

Hernia that is LATERAL to the inf epigastric vessels; enters the scrotum

Answer 19

Indirect inguinal hernia

Question 20

Hernia that is MEDIAL to inf epigastric vessels; never enters the scrotum

Answer 20

Direct inguinal hernia

Question 21

Covering of indirect inguinal hernia

Answer 21

Peritoneum and layers of spermatic cord

Question 22

Covering of direct inguinal hernia

Answer 22

External spermatic fascia

Question 23

Derivative of dartos muscle

Answer 23

Superficial fascia

Question 24

Derivative of external oblique

Answer 24

External spermatic fascia

Question 25

Derivative of cremaster muscle

Answer 25

Internal oblique

Question 26

2 abdominal layers with no derivative in the male genital

Answer 26

transversus abdominis | extraperitoneal fat

Question 27

Derivative of internal spermatic fascia

Answer 27

Transversalis fascia

Question 28

Derivative of tunica vaginalis

Answer 28

Peritoneum

Question 29

Spinal nerve that innervates the cremasteric reflex

Answer 29

L1 | Sn: ilioinguinal n.; motor: genitofemoral n.

Question 30

Vertebral level of the umbilicus

Answer 30

L3