GI - Dry Lab Flashcards

1
Q

3 openings of the diaphragm

A

COA

Caval (vena cava)

oesophagus

aortic

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2
Q

vertebral levels of the 3 openings of the diaphragm

A

c - T8

o - T10

a - T12

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3
Q

what layer of the peritoneum is more sensitive to pressure, pain and heat?

A

parietal

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4
Q

how do the greater and lesser sacs communicate?

A

through the omental foramen

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5
Q

retroperitoneal structures are only covered in peritoneum on their ……. side

A

anterior

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6
Q

at what vertebral level does the abdominal aorta divide into 2 common iliac arteries

A

L4

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7
Q

what is the effect of a vagotomy on gastric secretion?

A

reduces gastric secretion

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8
Q

vertebral level of the kidneys

A

T12-L3

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9
Q

muscle that runs in a vertical orientation and in an anterior position in the abdomen

A

pyramidalis

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10
Q

how does the rectus sheath differ above and below the umbilicus?

above

A

single layer of connective tissue

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11
Q

how does the rectus sheath differ above and below the umbilicus?

below

A

2 layers of fatty and membranous

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12
Q

what vertebral level is umbilicus?

A

L3/4

dermatome T10

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13
Q

the inguinal canal is formed from layers of the ……….

as these layers form they push through the wall obliquely, forming a canal

A

anterior abdominal wall

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14
Q

the inguinal ligament is attached to which two bony points of the hip bone

A

pubic tubercle

anterior iliac spine of the ilium

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15
Q

where does the superficial ring lie in relation to the pubic tubercle?

A

above it

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16
Q

contents of the inguinal canal in men

A

spermatic cord

ilioinguinal nerve

genitofemoral nerve

(epigastric vessels?)

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17
Q

two openings of the inguinal canal

A

superficial inguinal ring

deep inguinal ring

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18
Q

direct inguinal hernia

1/3rd of inguinal hernias

A

push through a weak part of the muscles in the posterior wall of the inguinal canal

(do not push through a ring)

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19
Q

indirect inguinal hernia

A

due to congenital weakness of the deep inguinal canal

20
Q

4 layers of the lining of the gut tube

A

mucosa

submucosa

muscularis propria

serosa (or adventitia)

21
Q

3 layers that make up the mucosa of the gut tube

A

epithelium

lamina propria

muscularis mucosae

22
Q

3 constrictions of the oesophagus

A

cervical

thoracic

diaphragmatic

23
Q

what are the 4 structures that go through the oesophageal opening in the diaphragm?

A

vagus nerve

oesophagus

oesophageal arteries

left inferior phrenic nerves

24
Q

what nerves innervates the pyloric sphincter?

A

vagus

25
Q

the pyloric sphincter is formed from which layer of the gut tube

A

muscularis externa

26
Q

what nerve controls gastric motility?

A

vagus

27
Q

3 arteries of the celiac trunk

A

left gastric

common hepatic

splenic

28
Q

increased vagal stimulation does what to the pylorus and therefore gastric secretion?

A

increases opening (relaxes pyloric sphincter)

increases gastric secretion

29
Q

duodenum receives the openings of what 2 ducts?

A

pancreatic

bile

30
Q

where is the foregut/midgut boundary in the small intestine?

A

2nd part of the duodenum

31
Q

what part of the autonomic NS (para or sympathetic) stimulations reduced the secretion and motility of the intestine and also acts as a vasoconstrictor?

A

sympathetic

32
Q

what part of the appendix is variable?

A

the tail

33
Q

arterial supply of the 1st part of the duodenum

A

branches of the celiac trunk

34
Q

arterial supply of the 2nd part of the duodenum (below the opening of the bile duct)

A

superior mesenteric artery

35
Q

arterial supply of the jejenum

A

superior mesenteric artery

36
Q

arterial supply of the ileum

A

superior mesenteric artery

37
Q

arterial supply of the cecum and ascending colon

A

superior mesenteric artery

38
Q

arterial supply of the right 2/3rds of the transverse colon

A

superior mesenteric artery

39
Q

arterial supply of the left 1/3rd of the transverse and decsending colon

A

inferior mesenteric artery

40
Q

arterial supply of the sigmoid colon

A

inferior mesenteric artery

41
Q

where does the peritoneum join at the liver?

A

falciform ligament

42
Q

what structure in the free edge of the falciform ligament is a remnant of an embryonic blood vessel?

A

left umbilical vein

43
Q

what type of muscle forms the muscularis externa?

A

smooth muscle

44
Q

what type of muscle is muscularis muscosae

A

smooth

45
Q

what kinds of cells are found in the gastric pits in the stomach?

A

mucous secreting cells