Urinary

Question 1

The kidneys are located where in the peritoneum?

Answer 1

Retroperitoneal

Question 2

Two lumbar plexus nerves originating from L1

Answer 2

Iliohypogastric

Ilioinguinal

Question 3

Lumbar plexus nerve that is piercing psoas major

Answer 3

Genitofemoral nerve

Question 4

Lumbar plexus nerve that runs along psoas major

Answer 4

Obturator nerve

Question 5

Lumbar plexus nerve that comes out from under psoas major

Answer 5

Lateral femoral cutaneous nerve

Question 6

Function of psoas

Answer 6

Flex trunk/thigh; stabilizer (weakness can lead to pelvic tilt)

Question 7

Function of iliacus

Answer 7

Flex thigh, stabilize hip

Question 8

Function of quadratus lumborum

Answer 8

Extend and laterally flex trunk

Question 9

What are the nerves of the lumbar plexus?

Answer 9

Iliohypogastric (L1)
Ilioinguinal (L1)
Gentiofemoral nerve (L1-L2)
Femoral nerve (L2-L4)
Obturator (L2-L4)
Lumbosacral trunk (L4-L5)

Question 10

What are the unpaired branches of the aorta and what level are they found at?

Answer 10

Celiac trunk - T12
SMA - L1
IMA - L3

Question 11

What are the paired branches of the aorta and what level are they found at?

Answer 11

Suprarenal arteries - L1
Renal arteries - L1
Gonadal arteries - L2

Question 12

Where do the right and left gonadal veins drain into?

Answer 12

Right - IVC

Left - left renal artery

Question 13

Superficial to renal fascia

Answer 13

Paranephric fat

Question 14

Renal fascia

Answer 14

Gerota’s fascia

Question 15

Deep to renal fascia

Answer 15

Perinephric fat

Question 16

Which is the most anterior, the renal artery or vein?

Answer 16

Renal vein

Question 17

Path of renal output

Answer 17

Renal pyramids
Penal papillae
Minor calices
Major calices
Renal pelvis
Ureter
Boston harbor

Question 18

What are the 3 potential sites of kidney stone obstruction in the ureter?

Answer 18

• ureteropelvic junction
• crossing pelvic brim
• entering bladder wall

Question 19

Which renal artery is longer? Vein?

Answer 19

The right artery is longer, the left vein is longer

Question 20

Innervation of the kidneys

Answer 20

Thoracic splanchnic nerve

Question 21

What attaches the bladder to the anterior abdominal wall?

Answer 21

Median umbilical ligament

Question 22

Name of bladder muscle

Answer 22

Detrusor

Question 23

Smooth portion of inner bladder, sensitive to expansion

Answer 23

Trigone of the bladder

Question 24

Which urinary sphincter is voluntary? Involuntary?

Answer 24

Involuntary - internal urethral sphincter (male only)

Voluntary - external urethral sphincter

Question 25

What is the arterial supply of the bladder?

Answer 25

Superior vesicular artery/vein (off internal iliac)

Inferior vesicle/vaginal artery/vein

Question 26

Innervation of the external urethral sphincter

Answer 26

Pudendal nerve

S2, S3, S4 keeps the pee off the floor

Question 27

Innervation of the bladder

Answer 27

S: pelvic plexus

P: pelvic splanchnic nerve and inferior hypogastric plexus