Histology MCQs/Gastrointestinal Tract II

An eating house at the beginning of the 19^th century.

1 Which of following structures is not a part of the mucosa?

	Lamina muscularis mucosae
	Lamina epitelialis
	Myenteric plexus
	Lamina propria

2 Which type of connective tissue is the most common in the serosa (tunica serosa)?

	Reticular connective tissue
	Elastic connetive tissue
	Loose connective tissue
	Dense connective tissue

3 Which epithelium is a part of an adventitia (tunica advenitita)

	Stratified squamous epithelium
	Simple squamous epithelium
	Simple cuboidal epithelium
	There is no epithelium here

4 Which type of antibodies is (mainly) transported to the lumen of intestines?

	IgA
	IgE
	IgG
	IgM

5 Why is an skin around the vermillion border red? (Why are our lips red?)

	The epithelium is transparent and highly vascularized, the color is color of blood
	The epithelium is transparent, the color is color of blood in deeper structures
	Epithelial cells contain pigment called pheomelanin
	Epithelial cells contain hemoglobin

6 Mucosa of oral cavity:

	It is covered mainly by few types of epithelium, on one is the most abundant
	It is covered mainly by stratified squamous non-keratinizing epithelium
	It is covered mainly by stratified squamous keratinizing epithelium
	It is covered mainly by simple columnar epithelium

7 Pharynx:

	It is covered mainly by few types of epithelium, on one is the most abundant
	It is covered mainly by stratified squamous non-keratinizing epithelium
	It is covered mainly by stratified squamous keratinizing epithelium
	It is covered mainly by simple columnar epithelium

8 Which type of lingual papillae forms V-shaped line close to the terminal sulcus?

	Circumvalatae
	Fungiformes
	Filiformes
	Foliatae

9 Which type of lingual papillae is not associated with taste buds?

	Circumvalatae
	Fungiformes
	Filiformes
	Foliatae

10 Circumvalatae papillae are associated with:

	Mucinous von Ebner's glands
	Serous von Ebner's glands
	Mucinous Weber's glands
	Serous Weber's glands

11 Which tissue of teeth is the most mineralized?

	Alveolar bone
	Cementum
	Enamel
	Dentin

12 Tooth:

	Organ of enamel exists during whole life
	Cementum covers the crown of the tooth
	Dentin is of ectodermal origin
	Dental pulp contains nerves

13 Main mineral of enamel is:

	Calcium bicarbonate
	Calcium carbonate
	Sodium fluoride
	Hydroxyapatite

14 Embryonic origin of dentin is:

	Mezenchyme
	Ectoderm
	Endoderm
	Mezoderm

15 In which layer take place main oesophageal glands (glandulae oesophageales propriae)?

	Muscularis musocae
	Tunica submucosa
	Lamina propria
	Tunica serosa

16 Which type of muscle tissue takes place in distal (aboral) third of the oesophagus?

	Skeletal muscle is in the circular layer, smooth muscle is in the longitudinal layer
	Smooth muscle is in the circular layer, skeletal muscle is in the longitudinal layer
	Skeletal muscle
	Smooth muscle

17 Which part of the oesophageus is covered by serosa?

	Proximal (oral) half
	Distal (aboral) half
	Supraphrenic part
	Subphrenic part

18 Stomach:

	Intinsic factor is a protein protecting vitamin B12
	Main gastric glands are coiled mucinous glands
	Chief cells produce hydrochloric acid
	There is high pH in the stomach

19 Which two anatomical regions of the stomach have the same histological structure of mucosa?

	Corpus and pylorus
	Cardia and pylorus
	Fundus and corpus
	Cardia and fundus

20 Gastric folds (rugae):

	Rugae are longitudinal projections of submucosa
	Rugae are longitudinal projections of mucosa
	Rugae are circular projections of submucosa
	Rugae are circular projections of mucosa

21 What is a lacteal?

	Lymphatic vessel in the wall of large intestine
	Lymphatic vessel in the wall of small intestine
	Blood vessel in the wall of large intestine
	Blood vessel in the wall of small intestine

22 Small intestine:

	Plicae circulares are finger-like projections of lamina propria
	Plicae circulares are finger-like projections of submucosa
	Villi are finger-like projections of lamina propria
	Villi are finger-like projections of submucosa

23 Goblet cells:

	Goblet cells produce mucus of the extracellular matrix of intestinal lamina propria
	Goblet cells are chemoreceptors of the autonomic nerve system
	Goblet cells produce mucus covering epithelium of intestines
	Goblet cells are associated with lacteals

24 Which of following statements about Paneth cells is not true?

	Paneth cells can be found in intestinal glands (crypts) of jejunum
	Paneth cells can be found in intestinal glands (crypts) of ileum
	Paneth cells can be found in intestinal glands (crypts) of appendix
	Paneth cells can be found in intestinal glands (crypts) of large intestine

25 Circular folds (plicae circulares) of small intestine are projections of:

	Muscularis externa
	Muscularis mucosae
	Lamina propria
	Submucosa

26 Which part of the intestine contains Peyer's patches?

	Duodenum
	Jejunum
	Ileum
	Colon transversum

27 Large intestine:

	Inner layer of tunica muscularis is reduced to three muscle strips
	Outer layer of tunica muscularis is reduced to three muscle strips
	Inner layer of tunica muscularis is reduced to two muscle strips
	Outer layer of tunica muscularis is reduced to two muscle strips

28 Which type of glands are crypts of Lieberkühn (intestinal glands)?

	Composed alveolar glands
	Composed tubular glands
	Simple alveolar glands
	Simple tubular glands

29 Which major salivary gland is serous only?

	Apical lingual gland
	Submandibular gland
	Sublingual gland
	Parotid gland

30 Which gland does not contain striated ducts?

	Submandibular gland
	Sublingual gland
	Parotid gland
	Pancreas

31 Mucus cells of salivary glands:

	Their product is of poor stainability in hematoxylin-eosing staining
	Their product is of good stainability in Massons' trichromes
	Their product is rich on glycosaminoglycans
	Their product is rich on lipids

32 Stainanbility of serous cells of pancreas:

	Their basal part is eosinophilic, their apical part contains strongly eosinophilic vesicles
	Their basal part is basophilic, their apical part contains strongly basophilic vesicles
	Their basal part is eosinophilic, their apical part contains basophilic vesicles
	Their basal part is basophilic, their apical part contains eosinophilic vesicles

33 What is a basal labyrinth (basal annealing, basal striation)?

	Folds of basal membrane associated with Golgi apparatus
	Folds of apical membrane associated with Golgi apparatus
	Folds of apical membrane associated with mitochondria
	Folds of basal membrane associated with mitochondria

34 Which type of tissue are hepatocytes?

	Derivatives of neural crest
	Derivatives of mesenchyme
	Trabecular epithelium
	Reticular epithelium

35 Liver:

	Ito's cells are modified endothelial cells
	Ito's cells store vitamin C
	Kupfer's cells are macrophages
	Kupfer's cells store vitamin A

36 Which structure is in the center of classic hepatic lobule?

	Branch of hepatic artery
	Branch of portal vein
	Bile capillary
	Central vein

37 Liver acinus:

	There is branch of hepatic artery in the middle
	There is no distinct structure in the middle
	There is branch of bile duct in the middle
	There is central vein in the middle

38 Endothelium of liver sinusoids is:

	discontinuous and without fenestrations
	continuous and without fenestrations
	discontinuous and fenestrated
	continuous and fenestrated

39 Which type of tissue forms the wall of bile capillaries?

	Trabecular epithelium
	Squamous epithelium
	Endothelium
	Mezothelium

40 Which layer of the wall of gastrointestinal tract does not exists in the wall of the gallbladder?

	Tunica muscularis
	Tunica submucosa
	Lamina propria
	Tunica serosa

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