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GI Anatomy > GI Anatomy > Flashcards

GI Anatomy Flashcards

1
Q

Where do the following salivary glands drain
A-Parotid
B-Submandibular
C-Sublingual

A

A-by upper 2nd molar
B-lingual caruncle
C-floor of mouth

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2
Q

Which muscle facilitates jaw opening

A

Lateral pterygoid

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3
Q

List the different papillae (4)

A

Foliate, Vallate, Fungiform, Filiform

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4
Q

What level does the oesophagus begin at

A

C6

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5
Q

Where can pancreatic pain radiate

A

Into the pain

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6
Q

What makes up the hindgut

A

Distal 1/3rd of transverse colon to proximal 1/2 of anal canal

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7
Q

What do branches of SMA and IMA form by anastamosing

A

Marginal artery of Drummond (around whole colon)

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8
Q

What organs are retroperitoneal

A

Kidneys, adrenal gland, pancreas, ascending colon, descending colon

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9
Q

Where are the clinically important sites of anastamoses between portal and systemic venous systems

A

Rectum (rectal varices), skin around umbilicus (caput medusae), distal end of oesophagus (oesophageal varisces)

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10
Q

Which of the papillae cannot sense taste

A

Filiform

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11
Q

What nerves are involved in the gag reflex

A

CN IX, CNX

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12
Q

List the muscles of the tongue

A

Genioglossus, Hyoglossus, Styloglossus, Palatoglossus

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13
Q

What nerve innervates the posterior 1/3rd of the tongue

A

Glossopharyngeal (CNIX)

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14
Q

Differences between jejunum and ileum

A

Jejunum wall thicker and heavier
Jejunum more vascularised
Jejunum has less mesenteric fat
Jejunum has larger circular folds

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15
Q

What organs are intraperitoneal

A

Liver & gall bladder, stomach, spleen, transverse colon, small intestine

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16
Q

What is sigmoid volvulus

A

Sigmoid colon twisting around itself and causing obstruction

17
Q

Where are the paracolic gutters

A

Between lateral edge of ascending and descending colon and abdominal wall

18
Q

What are the teniae coli

A

3 distinct longitudinal bands of smooth muscle on colon

19
Q

What nerves innervate the anterior 2/3rds of the tongue

A

Taste-Facial Nerve (CNVII)

General-Mandibular Division of Trigeminal Nerve (CNV3)

20
Q

How many teeth are there, and what age are they all erupted by

A

32, Age 18

21
Q

What muscles make up the levator ani muscle

A

Puborectalis, pubococcygeus, iliococcygeus

22
Q

What does the coeliac trunk trifurcate to

A

Splenic artery, left gastric artery, common hepatic artery

23
Q

What makes up the foregut

A

Oesophagus to mid duodenum, liver, gall bladder, spleen, 1/2 of pancreas

24
Q

What supplies the inferior half of the rectum

A

Middle and inferior rectal arteries (from internal iliac artery)

25
Q

What nerve supplies the muscles of mastication

A

Mandibular division of Trigeminal Nerve (CNV3)

26
Q

What is the most common position of the appendix

A

Retrocaecal

27
Q

What innervates the posterior division of the oral cavity

A

Trigeminal nerve mandibular division (CNV3)

28
Q

What can cause biliary tree obstruction

A

Gall stones, carcinoma at head of pancreas

29
Q

Which muscles facilitate jaw closing

A

Temporalis, Masseter, Medial Pterygoid

30
Q

What are the anatomical lobes of the liver

A

Right, left, caudate, quadrate

31
Q

What makes up the midgut

A

Mid-duodenum to proximal 2/3rds of transverse colon, 1/2 of pancreas

32
Q

What supplies the superior half of the rectum

A

Superior rectal artery (from IMA)

33
Q

What stimulates contraction of the external anal sphincter

A

Pudendal nerve

34
Q

What innervates the superior half of the oral cavity

A

Trigeminal nerve maxillary division (CNV2)

35
Q

Where does the hepatopancreatic duct drain, and what sphincter controls drainage

A

Ampulla of Vater, sphincter of Oddi

GI Anatomy (1 decks)

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