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301 Final > Histo > Flashcards

Histo Flashcards

1
Q

A 66-year-old man with Zollinger-Ellison syndrome undergoes a gastrectomy. He is informed that he will require treatment with intramuscular vitamin B12 (cyanocobalamin) for the rest of his life. This therapy is necessary because this patient lacks which of the following types of cells?
A. Chief
B. G (gastrin)
C. Goblet
D. Mucous neck
E. Parietal

A

Parietal

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2
Q

What is the embryological origin of ligamentum teres (Round ligament)?
A. Ventral mesentery
B. Left umbilical vein
C. Dorsal mesentery
D. Umblical artery
E. Vitelline duct

A

B. Left umbilical vein

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3
Q

Which of the following malformations can occur both in prenatal and postnatal life?
A. Hirschsprungdisease
B. Pyloricstenosis
C. Duodenal stenosis
D. Omphalocele
E. Gastroschisis

A

B. Pyloricstenosis

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4
Q

I. Von Ebner glands are found in fungiform papillae.
II. Sublingual salivary glands contain both serous and the conspicuous mucous acini.
III. Submucosal glands are only seen in duodenum but not in esophagus.
IV. Pylorus has simple branched tubular gland.
V. In cardia region, the number of gastric pits is more compared to other parts.
VI. Auerbach nerve plexus locates in submucosa.
VII. Fundus is rich region for chief and parietal cells.
VIII. Appendix contains villi.
IX. Urogastrone is secreted by crypts of Lieberkuh

A

F
T
F
T
F
F
T
F
F

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5
Q

I. Colon ascendes
II. Appendix vermiformis
III. Colon descendes
Which of the following develops from the midgut?

A

Colon ascending and apendix

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6
Q

Which of the following is approximately the embryological weeks in which physiological umbilical hernia and omphalocele formation occur, respectively?
A. 1st week- 3rd week
B. 4th week- 5th week
C. 6th week- 10th week
D. 11th week- 12th week
E. 13th week- 14th week

A

C. 6th week- 10th week

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7
Q

Which of the following papillae is found in the region of the sulcus terminalis on the tongue?
A. Foliate papilla
B. Filiform papilla
C. Fungiform papilla
D. Circumvallate papilla
E. Dermal papilla

A

D. Circumvallate papilla

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8
Q

Which of the following statements about salivary glands is false?
A. Serous type salivary glands have a transparent, watery and fluid secretion.
B. The glycoprotein content is high in the secretions of mucous-type glands.
C. Histological examination of seromucous type glands characteristically shows Giannuzi crescents.
D. The Golgi apparatus plays a very important role in the mucous type glands, as the carbohydrate
content is high.
E. Submandibular gland secretes pure serous type.

A

E. Submandibular gland secretes pure serous type.

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9
Q

Which of the following defines lacteal? (April-89)
A. Inflammation of the Liberkuh crypts
B. Increased cholesterol in bile fluid
C. Infiltration of the small intestine with plasma cells
D. Lymph vessel that carries the absorbed substance in the intestine
E. Increased gastric stimulation

A

D. Lymph vessel that carries the absorbed substance in the intestine

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10
Q

In which layer of the intestine is the Meissner plexus located histologically? (Sep-88, April-96)
A. Tunica mucosa
B. Tunicasubmucosa
C. Between 2 muscle layers
D. Tunica serosa
E. Between serosa and muscle layer

A

B. Tunicasubmucosa

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11
Q

Which of the following correctly represents the epithelial change in the transition from the esophagus to the cardia?(Sep-2015)
A. Stratified keratinized squamous epithelium- Simplecolumnar epithelium
B. Stratified non-keratinized squamous epithelium- Simple columnar epithelium
C. Stratified non-keratinized squamous epithelium- Stratified columnar epithelium
D. Simple cuboidal epithelium- Stratified keratinized squamous epithelium
E. Stratified transitional epithelium- Simple squamous epithelium

A

B. Stratified non-keratinized squamous epithelium- Simple columnar epithelium

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12
Q

Pepsinogen is converted to active pepsin by which of the following?(May-2011)
A. HCl
B. Gastrin C. Mucus D. Trypsin E. Amylase

A

A. HCl

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13
Q

Which of the following is not involved in the development of the midgut? (Feb- 2018)
A. Physiological umbilical herniation
B. Rotation of midgut loops
C. Retraction of intestinal loops
D. Fixation of the intestines to the posterior abdominal wall
E. Formation of the omental bursa

A

E. Formation of the omental bursa

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14
Q

What is the structure between hepatocytes and sinusoid endothelial cells called? (April-96)
A. Space of mall
B. Space of disse
C. Bilecanaliculi
D. Remark cords
E. Portal vein branch

A

Space of disse

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15
Q

Which of the following is the anatomical structure that connects the bile canaliculi to the bile duct? (April- 2015)
A. Space of Disse
B. Sinusoid
C. Ito cell
D. Sapce of Mall
E. Hering canal

A

E. Hering canal

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16
Q

Compared histologically with the pancreas and parotid gland, which of the following is a pancreatic- specific structure?(Sep- 2019)
A. Serous acini
B. Ductus intercalaris
C. Ductus interlobularis
D. Centroacinar cell
E. Myoepithelial cell

A

D. Centroacinar cell

17
Q

I. Mucosal folds
II. Simple columnar epithelium
III. Apical microvilli
IV. Muscularis mucosa
Which of the following is found in the histological structure of the gallbladder? (Sep- 2014)

A

I. Mucosal folds
II. Simple columnar epithelium
III. Apical microvilli

18
Q

Infection with some bacterium are accompanied by major damage to Peyer’s patches. Which cell transport these bacterium’s antigens to Peyer’s patches?
A. Enterocyte
B. Paneth cell
C. Goblet cell
D. Microfold cell
E. Stem cell

A

D. Microfold cell

19
Q

Which of the following organs is not supplied by the celiac artery during embryological development?
A. Liver
B. Stomach
C. Pancreas
D. Distal duodenum
E. Esophagus

A

D. Distal duodenum

20
Q

I. Appendix contains villi.
II. Pectinate line is at the rectoanal junction.
III. The richness in MALT is related to the large bacterial population of the large intestine.
IV. Urogastrone is secreted by crypts of Lieberkuhn.
V. Paneth cells produce lysozyme.

A

F
T
T
F
T

21
Q

A 2-year-old girl with a history of chronic constipation since birth is brought to the emergency room because of nausea and vomiting. Physical examination shows marked abdominal distension. Abdominal radiography reveals distended bowel loops. Which of the following developmental defects explains the pathogenesis of congenital megacolon in this patient?
A. Failure of neural crest migration
B. Hypertrophy of smooth muscle
C. Incomplete canalization of the primitive gut tube
D. Malrotation of the primitive gut tube
E. Persistence of the vitelline duct

A

Failure of neural crest migration

22
Q

During a small group discussion, you are asked to explain structural and functional differences between rugae, villi, microvilli, plicae circulares, teniae coli, and haustra. Rugae are found in which of the following segments of the GI tract?
A. Esophagus
B. Largeintestine
C. Rectum/anal canal
D. Small intestine
E. Stomach

A

E. Stomach

301 Final (10 decks)

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