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HISTOLOGY > GIT HISTOLOGY > Flashcards

GIT HISTOLOGY Flashcards

0
Q

A cleft-like interval between the gums and the teeth internally and the lips and cheeks externally.

A

Oral vestibule

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1
Q

True or False:

The hard palate contains a submucosa.

A

False

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2
Q

A large cavity between the gums and the teeth.

A

Oral cavity proper

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3
Q

The only communication between the oral vestibule and the oral cavity proper.

A

Retromolar space

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4
Q

The labial glands are found in which layer of the lips?

A. Mucosa
B. Submucosa
C. Lamina propria
D. Serosa

A

B. Submucosa

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5
Q

Morphology of most of the oral glands.

A

Tubulo-alveolar

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6
Q

The mucosa of the lips contains this muco-cutaneous junction where there is an abrupt transition of epithelia.

A

Vermillon border

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7
Q

V-shaped groove that divides the dorsum of the tongue.

A

Sulcus terminalis

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8
Q

Arranged in distinct rows diverging to the right and left from the midline and parallel to the sulcus terminalis.

A. Filiform
B. Circumvallate
C. Foliate
D. Fungiform

A

A. Filiform

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9
Q

Found mostly at the tip of the tongue.

A. Filiform
B. Circumvallate
C. Foliate
D. Fungiform

A

D. Fungiform

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10
Q

Usually found at the dorsolateral margin of the tongue and is rudimentary to man.

A

Foliate papillae

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11
Q

Which of the following is paired correctly?

A. Blandin and Nuhn - mucoserous - posterior lingual glands
B. Blandin and Nuhn - purely serous - anterior lingual glands
C. Von Ebner’s glands - purely serous - posterior lingual glands
D. Von Ebner’s glands - puerly serous - anterior lingual glands

A

C. Von Ebner’s glands - purely serous - posterior lingual glands

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12
Q

Lining epithelium of the gums.

A

Stratified squamous cornified epithelium

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13
Q

Hardest structure of the body.

A. Cementum
B. Bone
C. Dentin
D. Enamel

A

D. Enamel

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14
Q

Forms dentin.

A

Odontoblasts

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15
Q

Covers the dentin of the root.

A

Cementum

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16
Q

Lining epithelium of the esophago-gastric junction.

A

Squamo-columnar epithelium

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17
Q

The lamina propria of the esophagus contains these glands that are coiled tubular glands lined by pale-staining, mucus-secreting columnar or cuboidal cells.

A

Esophageal cardiac glands

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18
Q

The Meissner’s corpuscle is found in what layer of the esophagus?

A. Tunica muscularis
B. Mucosa
C. Muscularis mucosa
D. Submucosa

A

D. Submucosa

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19
Q

True of the tunica muscularis of the esophagus:

A. Myenteric plexuses are located in this layer.
B. Lower 1/3 is composed of smooth muscle only.
C. Middle 1/3 is composed of both smooth and skeletal muscle.
D. All the choices are correct.

A

D. All the choices are correct.

20
Q

Longitudinal folds of the stomach.

A

Rugae

21
Q

Minute depressions found on the mucosal surface of the stomach.

A

Gastric pits or Foveola gastricae

22
Q

Connective tissue of the lamina propria of the stomach.

A

Loose connective tissue

23
Q

Lining epithelium of the mucosa of the stomach.

A

Simple columnar epithelium without goblet cells

24
Q

The tunica muscularis of the stomach contains the following EXCEPT:

A. Inner circular
B. Inner oblique
C. Middle circular
D. Outer longitudinal

A

A. Inner circular

25
Q

In what layer of the stomach is the Auerbach’s plexus located?

A

T. Muscularis

26
Q

Parietal or Oxyntic cells secrete..

A

HCl and Intrinsic factor

27
Q

Endocrine cells secrete the following EXCEPT:

A. Intrinsic factor
B. Serotonin
C. Histamine
D. Gastrin

A

A. Intrinsic factor

28
Q

He most numerous type of gland in the stomach.

A. Pyloric
B. Cardiac
C. Fundic
D. Esophageal

A

C. Fundic

29
Q

The lumen of the small intestines is widest at the duodenum and narrowest near the ___________.

A

Ileocecal valve

30
Q

Lining epithelium of the small intestines.

A

Simple columnar epithelium with goblet cells

31
Q

Transverse mucosal folds of the small intestines.

A

Plicae circularis or Valves of Kerkring

32
Q

The following are characteristics of Paneth cells EXCEPT:

A. Pyramidal
B. Basophilic
C. Secretes lysozymes
D. Round or oval nucleus

A

B. Basophilic

33
Q

ECL cells secrete ___________.

A

Histamine

34
Q

The following are paired correctly EXCEPT:

A. G cells - Gastrin
B. A cells - Glucagon
C. S cells - Somatostatin
D. I cells. - CCK

A

C. S cells - Somatostatin

35
Q

Crypts of Lieberkühn are found in what layer of the duodenum.

A

Lamina propria

36
Q

Glands found in the submucosa of the duodenum.

A

Brunner’s glands

37
Q

True or False:

Duodenum lacks a mesentery.

A

TRUE

38
Q

Appearance of the intestinal villi of the duodenum.

A

Leaf-like

39
Q

Peyer’s Patches are found in ________.

A

Ileum

40
Q

The longest segment of the small intestines.

A

Ileum

41
Q

Non-movable segment of the small intestines.

A

Duodenum

42
Q

Mucosal folds of the large intestines.

A

Plicae semilunaris

43
Q

Sacculations of the large intestines are called __________.

A

Haustra

44
Q

Segments of the large intestines that have a complete peritoneal covering EXCEPT:

A. Cecum
B. Appendix
C. Transverse colon
D. All of the choices are correct.

A

D. All of the choices are correct.

45
Q

The rectum usually occurs in front of the ________ sacral vertebrae.

A

3rd

46
Q

Lamina propria of the rectum contains transverse mucosal folds called ______________.

A

Plicae transversalis recti

47
Q

Longitudinal folds in the upper half of the anal canal.

A

Anal columns of Morgagni

48
Q

Lining epithelium of the lower half of the anal canal.

A

Stratified squamous non-cornified with goblet cells

HISTOLOGY (8 decks)

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