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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
What type of muscle makes up the muscularis externa in the esophagus?
both a and b a. Smooth b. Striated
26
What are mucous surface cells?
Simple columnar epithelium
27
Which layer consists of only a single layer of epithelial cells and underlying connective tissue?
Serosa
28
What is another term for the brush border?
Striated border
29
Which type of papillae on the tongue is arranged in a "V" shape on the tongue?
Circumvallate papillae
30
Which cells secrete intrinsic factor?
Both a and b a. Parietal cells b. Oxyntic cells
31
Which layer contains the lining epithelium?
Mucosa
32
Which type of papillae on the tongue does NOT contain taste buds?
Filiform papillae
33
Which layer contains Auerbach's plexus?
Muscularis externa
34
Which cells secrete hydrochloric acid?
Both a and b a. Parietal cells b. Oxyntic cells
35
What is another term for the intestinal glands?
Crypts of Lieberkuhn
36
Which organ has a mucosa lined by nonkeratinized stratified squamous epithelium?
Esophagus
37
What are the folds of the stomach called?
Rugae
38
Which type of papillae on the tongue is mushroom shaped?
Fungiform papillae
39
Which layer contains the muscularis mucosa?
Mucosa
40
What are microvilli called that are seen in the small intestine?
Striated border
41
Which layer of the gastrointestinal tract contains the gut associated lymphatic tissue?
Mucosa
42
Which cells secrete pepsinogen?
Chief cells
43
Which layer contains Meissner's plexus?
Sub mucosa
44
What type of tissue lines most of the gastrointestinal tract?
Simple columnar epithelium
45
What type of tissue lines the upper esophagus?
Stratified squamous epithelium
46
What are the modifications of the muscularis externa that is seen on the large intestine?
Teniae coli
47
Where are Brunner's glands located?
Small intestine
48
What is the primary cell of the intestinal epithelium of the large intestine?
Columnar absorptive cell
49
Which region are goblet cells most numerous?
Large intestine
50
Where is mesothelium found?
Serosa
51
Which of the following is the exocrine portion of the pancreas?
Acini
52
What are divertiuclae of the mucosa of the gallbladder called?
Rokitansky-Aschoff sinuses
53
What structure is in the middle of the hepatic lobule?
Central vein
54
What is the space between the liver sinusoids and the hepatocytes called?
Space of Disse
55
What is the name of the cellular mass for the endocrine portion of the pancreas?
Islets of Langerhans
56
Which structures are part of the portal triad?
Both a and b a. Portal vein b. Hepatic artery
57
Which of the following is NOT a function of the liver?
Storage of calcium
58
What is the functional unit of the liver?
Lobule
59
What are the valves which regulates the flow of bile into the intestine?
Sphincter of Oddi
60
What cells of the pancreas secrete somatostatin?
Delta cells
61
What is the opening of the pancreatic duct into the duodenum?
Ampulla of Vater
62
Which of the following is the exocrine portion of the pancreas?
Acini
63
Which of the following clotting factors is NOT produced in the liver?
Factor IV
64
In what structure does blood run through between the hepatocytes?
Sinusoids
65
What is the space called that is located at the portal canal between the hepatocytes and connective tissue?
Space of Disse
66
What layer is NOT found in the gallbladder?
Muscularis mucosa
67
What cell type makes up the mucosa of the gallbladder?
Simple columnar epithelium
68
What is the classification of the pancreas?
Both endocrine and exocrine
69
Which cell is a hepatic macrophage?
Kupffer cells
70
Where in the pancreas are islets of Langerhans most numerous?
Tail
71
What cells of the pancreas secrete insulin?
Beta cells
72
What is the pancreatic duct?
Duct of Wirsung
73
What structure is at the angle of the liver lobule?
Portal triad
74
Which of the following is NOT a function of the liver?
Cholecystokinin production
75
What cells of the pancreas secrete glucagon?
Alpha cells
76
What are the connection between the cystic duct and liver?
Ducts of Luschka
77
Which of the following is NOT a function of the liver?
Storage of bile
78
What cells of the pancreas secrete pancreatic polypeptide?
Gamma cells

Histology 2 (10 decks)

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