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Histology 2 > Past Questions - Digestive System > Flashcards

Past Questions - Digestive System Flashcards

1
Q

Where is the primary site for absorption of nutrients?

A

Small intestine

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2
Q

What are the finger like projections of mucosa that are seen in the small intestine?

A

Villi

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3
Q

What is the outer layer of the GI tract called when it is abutting another organ?

A

Adventitia

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4
Q

Where is masticatory mucosa found?

A

Hard palate

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5
Q

What is the surface layer of masticatory mucosa composed of?

A

Both a and b

a. Non keratinized stratified squamous epithelium
b. Keratinized stratified squamous epithelium

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6
Q

Which layer is NOT present in masticatory epithelium?

A

Stratum lucidum

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7
Q

Which type of papillae on the tongue is the most abundant?

A

Filiform papillae

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8
Q

What is the innermost layer of the GI tract called?

A

Mucosa

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9
Q

What is the lymphatic capillary within a villus of the small intestine called?

A

Lacteal

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10
Q

Which type of papillae on the tongue is not well developed in man?

A

Foliate papillae

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11
Q

Which cranial nerve is responsible for taste to the posterior 1/3 of the tongue?

A

IX

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12
Q

Which cranial nerve to the tongue is responsible for movement?

A

XII

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13
Q

Which cranial nerve is responsible for general sensation to the anterior 2/3 of the tongue?

A

V

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14
Q

Which cranial nerve is responsible for taste to the anterior 2/3 of the tongue?

A

VII

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15
Q

Which cranial nerve is responsible for general sensation to the posterior 1/3 of
the tongue?

A

IX

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16
Q

What covers the tooth that is embedded within the jaw?

A

Cementum

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17
Q

What is within the pulp cavity?

A

Dental pulp

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18
Q

What is the central portion of a tooth called?

A

Pulp cavity

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19
Q

What covers the visible portion of a tooth ?

A

Enamel

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20
Q

What surrounds the pulp cavity?

A

Dentin

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21
Q

Which layer contains the lamina propria?

A

Mucosa

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22
Q

What is another term for the valve of Kerckring?

A

Plicae circulares

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23
Q

Which type of papillae on the tongue is the smallest?

A

Filiform papillae

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24
Q

Where are Peyer’s patches located?

A

Small intestine

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25
Q

What type of muscle makes up the muscularis externa in the esophagus?

A

both a and b

a. Smooth
b. Striated

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26
Q

What are mucous surface cells?

A

Simple columnar epithelium

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27
Q

Which layer consists of only a single layer of epithelial cells and underlying connective tissue?

A

Serosa

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28
Q

What is another term for the brush border?

A

Striated border

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29
Q

Which type of papillae on the tongue is arranged in a “V” shape on the tongue?

A

Circumvallate papillae

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30
Q

Which cells secrete intrinsic factor?

A

Both a and b

a. Parietal cells
b. Oxyntic cells

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31
Q

Which layer contains the lining epithelium?

A

Mucosa

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32
Q

Which type of papillae on the tongue does NOT contain taste buds?

A

Filiform papillae

33
Q

Which layer contains Auerbach’s plexus?

A

Muscularis externa

34
Q

Which cells secrete hydrochloric acid?

A

Both a and b

a. Parietal cells
b. Oxyntic cells

35
Q

What is another term for the intestinal glands?

A

Crypts of Lieberkuhn

36
Q

Which organ has a mucosa lined by nonkeratinized stratified squamous epithelium?

A

Esophagus

37
Q

What are the folds of the stomach called?

A

Rugae

38
Q

Which type of papillae on the tongue is mushroom shaped?

A

Fungiform papillae

39
Q

Which layer contains the muscularis mucosa?

A

Mucosa

40
Q

What are microvilli called that are seen in the small intestine?

A

Striated border

41
Q

Which layer of the gastrointestinal tract contains the gut associated lymphatic tissue?

A

Mucosa

42
Q

Which cells secrete pepsinogen?

A

Chief cells

43
Q

Which layer contains Meissner’s plexus?

A

Sub mucosa

44
Q

What type of tissue lines most of the gastrointestinal tract?

A

Simple columnar epithelium

45
Q

What type of tissue lines the upper esophagus?

A

Stratified squamous epithelium

46
Q

What are the modifications of the muscularis externa that is seen on the large intestine?

A

Teniae coli

47
Q

Where are Brunner’s glands located?

A

Small intestine

48
Q

What is the primary cell of the intestinal epithelium of the large intestine?

A

Columnar absorptive cell

49
Q

Which region are goblet cells most numerous?

A

Large intestine

50
Q

Where is mesothelium found?

A

Serosa

51
Q

Which of the following is the exocrine portion of the pancreas?

A

Acini

52
Q

What are divertiuclae of the mucosa of the gallbladder called?

A

Rokitansky-Aschoff sinuses

53
Q

What structure is in the middle of the hepatic lobule?

A

Central vein

54
Q

What is the space between the liver sinusoids and the hepatocytes called?

A

Space of Disse

55
Q

What is the name of the cellular mass for the endocrine portion of the pancreas?

A

Islets of Langerhans

56
Q

Which structures are part of the portal triad?

A

Both a and b

a. Portal vein
b. Hepatic artery

57
Q

Which of the following is NOT a function of the liver?

A

Storage of calcium

58
Q

What is the functional unit of the liver?

A

Lobule

59
Q

What are the valves which regulates the flow of bile into the intestine?

A

Sphincter of Oddi

60
Q

What cells of the pancreas secrete somatostatin?

A

Delta cells

61
Q

What is the opening of the pancreatic duct into the duodenum?

A

Ampulla of Vater

62
Q

Which of the following is the exocrine portion of the pancreas?

A

Acini

63
Q

Which of the following clotting factors is NOT produced in the liver?

A

Factor IV

64
Q

In what structure does blood run through between the hepatocytes?

A

Sinusoids

65
Q

What is the space called that is located at the portal canal between the hepatocytes and connective tissue?

A

Space of Disse

66
Q

What layer is NOT found in the gallbladder?

A

Muscularis mucosa

67
Q

What cell type makes up the mucosa of the gallbladder?

A

Simple columnar epithelium

68
Q

What is the classification of the pancreas?

A

Both endocrine and exocrine

69
Q

Which cell is a hepatic macrophage?

A

Kupffer cells

70
Q

Where in the pancreas are islets of Langerhans most numerous?

A

Tail

71
Q

What cells of the pancreas secrete insulin?

A

Beta cells

72
Q

What is the pancreatic duct?

A

Duct of Wirsung

73
Q

What structure is at the angle of the liver lobule?

A

Portal triad

74
Q

Which of the following is NOT a function of the liver?

A

Cholecystokinin production

75
Q

What cells of the pancreas secrete glucagon?

A

Alpha cells

76
Q

What are the connection between the cystic duct and liver?

A

Ducts of Luschka

77
Q

Which of the following is NOT a function of the liver?

A

Storage of bile

78
Q

What cells of the pancreas secrete pancreatic polypeptide?

A

Gamma cells

Histology 2 (10 decks)

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