First Aid 1 - Systems - GI

Question 1

Week when the midgut herniates to the umbilical ring

Answer 1

6th week

Question 2

Week when the gut returns to the abdominal cavity and rotates around the SMA

Answer 2

10th week

Question 3

The pancreas are derived from the

Answer 3

Foregut

Question 4

The uncinate process is formed by the ___ while the rest of the pancreas come from the

Answer 4

Ventral bud alone

Dorsal pancreatic bud

Question 5

Ventral and dorsal parts of the pancreas fail to fuse at 8 weeks

Answer 5

Pancreas divisum

Question 6

Ventral pancreatic bud abnormally encircles the 2nd part of the duodenum and forms a ring of pancreatic tissue that may cause narrowing

Answer 6

Annular pancreas

Question 7

Retroperitoneal organs

Answer 7

Pancreas (except tail)
Ureter
Kidney
Inferior vena cava
Duodenum (2nd to 4th)
Ascending colon
Descending colon
Abdominal aorta
Rectum (partial)

Question 8

Contents of the hepatoduodenal ligament

Answer 8

Portal triad: proper hepatic artery, portal vein, common bile duct

Question 9

Contained within the falciform ligament

Answer 9

Ligamentum teres hepatis (derivative of fetal umbilical vein)

Question 10

Slowest waves in the GI tract are found in the

Answer 10

Stomach

Question 11

Histology of the esophagus

Answer 11

Non keratinozed stratified squamous epithelium

Question 12

Histology of the stomach

Answer 12

Gastric glands

Question 13

Histology of the duodenum

Answer 13

Villi and microvilli increase absorption
Brunner glands (submucosa) and crypts of lieberkuhn

Question 14

Histology of the jejunum

Answer 14

Plicae circulares and crypts of lieberkuhn

Question 15

Histology of the ileum

Answer 15

Peyer patches (lamina propria, submucosa), pliae circulares (proximal ileum), and crypts of lieberkuhn

Question 16

Largest number of goblet cells in the small intestine

Answer 16

Ileum

Question 17

Histology of the colon

Answer 17

Numerous goblet cells

Has crypts of lieberkuhn but no villi

Question 18

At what level does the abdominal aorta bifurcate?

Answer 18

BiFOURcation

L4

Question 19

In the abdominal aorta, arteries that branch anteriorly supply _____ while those branching laterally supply ____

Answer 19

GI structures

Non-GI

Question 20

Parasympathetic innervation of the foregut, midgut, and hindgut

Answer 20

Foregut and midgut -vagus

Hindgut- pelvic

Question 21

The spleen is derived from the

Answer 21

Mesoderm

Question 22

Branches of the celiac trunk

Answer 22

Common hepatic
Splenic
Left gastric

“Celiac shows love”

Question 23

Branches of the common hepatic artery

Answer 23

Hepatic artery
Gastroduodenal
R gastric

“Right growth from hepatic”

Question 24

Branch of splenic artery

Answer 24

Left gastroepiploic artery

Question 25

The right gastroepiploic artery comes from the

Answer 25

Gastroduodenal artery

Question 26

Arterial branch above the pectinate line

Answer 26

Superior rectal artery

Question 27

Arterial supply below the pectinate line

Answer 27

Inferior rectal artery (branch of the internal pudendal artery)

Question 28

Zones of the liver

Answer 28

Periportal zone Intermediate zone Centrilobular zone

Question 29

Organization of vital structures in the femoral region

Answer 29

NAVEL You go from lateral to medial to find your NAVEL ``` Nerve Artery Vein Empty space Lymphatics ```

Question 30

What diaphragmatic hernia is the most common?

Answer 30

Sliding hiatal hernia

Question 31

Hourglass stomach refers to a

Answer 31

Sliding hiatal hernia

Question 32

Stomach fundus protrudes into the thorax. Gastroesophageal junction is normal

Answer 32

Paraesophageal hernia

Question 33

Femoral hernias are more common in

Answer 33

Females

Question 34

Leading cause of bowel incarceration

Answer 34

Femoral hernia

Question 35

Hesselbach triangle

Answer 35

Inferior epigastric vessels Lateral border of rectus abdominis Inguinal ligament

Question 36

Hindgut

Answer 36

Distal 1/3 of transverse colon to anal canal | Above pectinate line