Abdomen

Question 0

Cremasteric reflex utilizes sensory and motor fibers in the ventral ramus of?

Answer 0

L1 spinal nerve

Question 1

Layers of abdominal wall

Answer 1

(9)
Skin
Superficial fascia
Campers
Scarpas
Deep fascia
Muscles
Transversalis fascia
Extraperitoneal fat
Parietal peritoneum

Question 2

Ligament that conducts the portal triad

Answer 2

Hepatoduodenal ligament

Question 3

Foregut, a portion of thenprimitive gut, is supplied by what blood vessel

Answer 3

Celiac trunk/artery (level of T12)

Question 4

Midgut, a part of the primitive gut, is supplied by what blood vessel?

Answer 4

Superior mesenteric artery (level of L1)

Question 5

Hindgut, a portion of the primitive git, is supplied by what blood vessel?

Answer 5

Inferior mesenteric artery (level of L3)

Question 6

Common site of aortic aneurysm

Answer 6

Proximal to bifurcation of the aorta at level of L4 vertebra

Question 7

L and R hepatic veins drain into

Answer 7

IVC

Question 8

R gonadal and R suprarenal veins drain into

Answer 8

IVC

Question 9

L gonadal and suprarenal veins drain into

Answer 9

L renal

Question 10

R gastroepiploic veins drains into

Answer 10

Superior Mesenteric Vein

Question 11

L gastroepiploic vein drains into

Answer 11

Splenic vein

Question 12

R colic drains into

Answer 12

Superior Mesenteric Vein

Question 13

L Colic drains into

Answer 13

Inferior Mesenteric Vein

Question 14

Length of esopohagus

Answer 14

23-25 cm long

Question 15

Accompanies esophagus through the diaphragm

Answer 15

Vagus nerve (left and right vagi lie on its anterior and posterior surfaces) “LARP” left anterior right posterior

Question 16

Esophagus passes through diaphragm at what vertebral level

Answer 16

T10

Question 17

Blood supply of upper third of esophagus

Answer 17

Inferior thyroid artery from subclavian artery

Question 18

Blood supply of middle third of esophagus

Answer 18

Descending thoracic aorta

Question 19

Blood supply of,ower third of esophagus

Answer 19

Left gastric artery from celiac trunk of abdl aorta

Question 20

Venous drainage of esophagus

Answer 20

Upper third - inferior thyroid vein
Middle third - azygous vein
Lower third - left gastric vein

Question 21

Capacity of stomach

Answer 21

1.5 L

Question 22

Gastric ulcers are most commonly found in which part of the stomach?

Answer 22

Body

Question 23

Carcinomas of the stomach are most commonly found where?

Answer 23

Pylorus

Question 24

Parasympathetic nerve supply of the stomach

Answer 24

Vagus nerve

Question 25

Syp athetic nerve supply of the stomach

Answer 25

T6 to t9

Question 26

Length of duodenum

Answer 26

10 inches

Question 27

How many divisions does the duodenum have and what are they?

Answer 27

Superior - 5cm and lies anterolateral to border of L1 Descending - 7-10cm, descends along sides of L1 to L3 Horizontal - 6-8cm and crosses L3 Ascending - 5 cm and begins at the L of L3 and rises superiorly as far as superior border of L2

Question 28

Remnant of umbilical vein

Answer 28

Ligamentum teres/round ligament of liver

Question 29

Remnant of ductus venosus

Answer 29

Ligamentum venosum

Question 30

Blood supply of pancreas

Answer 30

Superior pancreaticoduodenal artery (hepatic-celiac) Inferior pamcreaticpduodenal artery (from SMA) Pancreatic arteries from Splenic

Question 31

Left lobe of liver is composed of what segments?

Answer 31

II (lateral superior) and III (lateral inferior)

Question 32

What composes the portal triad

Answer 32

Portal vein Hepatic artery Bile duct

Question 33

Where is a liver biopsy done?

Answer 33

Right 10th intercostal space, MAL

Question 34

Cystohepatic triangle/Triangle of Calot boundaries

Answer 34

Superior - Liver Inferior - Cystic Duct Medial - Common Hepatic Duct

Question 35

Common site of an impacted gallstone

Answer 35

Hepatopancreatic ampulla. Pxs exhibit referred pain at the epigastric region

Question 36

Where does the appendix lie?

Answer 36

Right Iliac Fossa

Question 37

Where does the anal anal begin

Answer 37

Where the rectal ampulla narrows at the level of a U shaped sling formed by the PUBORECTALIS MUSCLE

Question 38

Separates the anal canal into 2 segments

Answer 38

Dentate/Pectinate/Anorectal line

Question 39

Ascending and transverse colon recieve blood from _______ and parasympathetic fibers from _______

Answer 39

SMA | Vagus nerve

Question 40

Descending and sigmoid colons receive blood from ________ and parasympathetic fibers from __________

Answer 40

IMA | Pelvic splanchnic nerve from sacral nerves S2-S4

Question 41

Muscle of the loin refers to

Answer 41

Psoas major

Question 42

Nerve supply of the foregut

Answer 42

Parasympathetic - vagus nerve | Sympathetic - lower thoracic splanchnic nerves from T5-T9

Question 43

Nerve supply of the Midgut

Answer 43

Parasympathetic - vagus nerve | Sympathetic - lower horacic splanchnic nerves T5-T12

Question 44

Nerve supply of the hindgut

Answer 44

Parasympathetic - pelvic splanchnic nerves from S2-S4 | Sympathetic - lower thoracic and lumbar splanchnic nerves from T11 -L2

Question 45

Injury to this nerve results in weakened abduction of the thigh by gluteus medius, waddling gait, and (+) Trendelenburg sign

Answer 45

Superior Gluteal Nerve

Question 46

Kidneys are at the level of

Answer 46

T12 - L3

Question 47

Renal fascia covering kidney

Answer 47

Gerota's Fascia

Question 48

Blood supply of the ureters

Answer 48

Upper - renal artery Middle - gonadal artery Lower - superior vesical artery