Digestive System MCQs

The lamina muscularis mucosae of the oesophagus is built of striated skeletal muscle .

A. Yes B. No

B. No

The entire esophagus is located intraperitonially .

A. Yes B. No

B. No

The covering epithelium of the stomach is unilayered cylindrical resorbtive epithelium .

A. Yes B. No

B. No

Circular folds ( plicae circulares ) are typical for the large intestine .

A. Yes B. No

B. No

The lining of the villi intestinales of the small intestine is simple columnar epithelium

A. Yes B. No

A. Yes

The exocrinic part of the pancreas is made of mucous acini

A. Yes B. No

B. No

The exocrinic part of the pancreas is occupied by serous acini

A. Yes B. No

A. Yes

The Paneth cells are located in the glands of Lieberkuhn of the small intestine

A. Yes B. No

A. Yes

The bile surface of the hepatocyte faces the space of Disse

A. Yes B. No

B. No

The Kupffer cells are macrophages

A. Yes B. No

A. Yes

The sinusoids of the liver are fenestrated capillaries

A. Yes B. No

B. No

The vascular pole of the hepatocytes is towards the sinusoid

A. Yes B. No

A. Yes

The billiar pole of the hepatocytes is towards the sinusoid

A. Yes B. No

B. No

The duodenal glands are in the lamina propria of the mucous membrane

A. Yes B. No

B. No

B cells of the Langerhans islets produce glucagon

A. Yes B. No

B. No

A cells of the pancreas secrete insulin

A. Yes B. No

B. No

The parietal cells are typical for the large intestine glands

A. Yes B. No

B. No

The muscles of the palatum mole are striated skeletal muscles unvoluntary

A. Yes B. No

B. No

Arcus palatoglossus and arcus palatopharyngeus surround recessus piriformis

A. Yes B. No

B. No

CHOOSE ONE CORRECT ANSWER

The space of Disse is located :

A. in periportal zone

B. between hepatocytes in the hepatic plates

C. between hepatocytes and sinusoids

D. between two adjacent sinusoids

C. between hepatocytes and sinusoids

CHOOSE ONE CORRECT ANSWER

The sinusoids in the liver are

A. venules

B. fenestrated capillaries

C. wide capillaries with incomplete lining

D. arteriolae

C. wide capillaries with incomplete lining

CHOOSE ONE CORRECT ANSWER

The main cells of the stomach secrete :

A. mucus

B. chlorides

C. pepsinogen

D. pepsin

C. pepsinogen

CHOOSE ONE CORRECT ANSWER

The intracellular canaliculi are characteristic of :

A. the chief cells

B. the goblet cells

C. the Paneth cells

D. the parietal cells

D. the parietal cells

CHOOSE ONE CORRECT ANSWER

The epithelium of tonsilla palatina is :

A. multistratified non - keratinizing epithelium

B. multistratified keratinizing epithelium

C. Henle's epithelium

D. pseudostratified ciliated epithelium

A. multistratified non-keratinizing epithelium

CHOOSE ONE CORRECT ANSWER

The epithelium of the oesophagus is :

A. stratified squamous nonkeratinized epithelium

B. stratified squamous keratinized epithelium

C. transitional epithelium of Henle

D. ciliated pseudostratified columnar epithelium

A. stratified squamous nonkeratinized epithelium

CHOOSE ONE CORRECT ANSWER

Tunica muscularis of the oesophagus consists of :

A. smooth muscle

B. striated skeletal muscle

C. in the upper third is striated skeletal muscle

D. in the upper part is smooth muscled

C. in the upper third is striated skeletal muscle

CHOOSE ONE CORRECT ANSWER

Lamina muscularis mucosae of the esophagus is :

A. smooth muscle tissue

B. striated skeletal muscle tissue C. half smooth muscle tissue and half striated skeletal muscle tissue

A. smooth muscle tissue

CHOOSE ONE CORRECT ANSWER

surface of : There are microvilli on the

A. parietal cells of the fundus glands

B. chief cell of the fundus glands C. the Paneth cells

D. absorptive cells

D. absorptive cells

CHOOSE ONE CORRECT ANSWER

Which of these is not a feature of the mucosa of the gastro intestinal tract ?

A. lamina propria

B. goblet cells

C. myenteric plexus

D. plicae circulares

C. myenteric plexus

CHOOSE ONE CORRECT ANSWER

Stomach cells which secrete hydrochloric acid are :

A. parietal

B. goblet

C. principal

D. endocrine

A. parietal

CHOOSE ONE CORRECT ANSWER

Which of these is a structural modification unique to the small intestine ?

A. plicae circulares

B. villi

C. microvilli

D. all of these are unique to the small intestine .

E. none of these are unique to the small intestine

D. all of these are unique to the small intestine

CHOOSE ONE CORRECT ANSWER

The longitudinal muscle layer of the large intestine forms three distinct muscle bands called :

A. sigmoid colon

B. teniae coli

C. haustrae

D. epiploic appendages

B. teniae coli

CHOOSE ONE CORRECT ANSWER

Within the liver , bile is produced by :

A. Kupffer cells

B. endothelial cells of the sinusoids

C. hepatocytes

C. hepatocytes

CHOOSE ONE CORRECT ANSWER

The condition in which the liver becomes infused with fi- brous tissue and is unable to repair itself is known as :

A. hepatitis

B. cirrhosis

C. jaundice

D. hepatoma

B. cirrhosis

CHOOSE ONE CORRECT ANSWER

Enteroendocrine cells differ from goblet cells in which of the following ways ?

A. the direction of release of secretion

B. the use of exocytosis for release of secretory product from the cell

C. their presence in the small and large intestine

D. their origin from a crypt stem cell

E. secretion by a regulated pathway

A. the direction of release of secretion

CHOOSE ONE CORRECT ANSWER

Intercellular canals are typical for :

A. goblet cells

B. parietal cells

C. Paneth cells

D. main cells

B. parietal cells

CHOOSE ONE CORRECT ANSWER

Secretin and cholecystokinin are produced and secreted by cells in the lining of the alimentary tract . Which of the following statements about these two substances is true ?

A. they are produced by the main cells of the stomach

B. they are digestive enzymes produced by the duodenum

C. they are produced by Paneth cells.ow

D. they are hormones that have target cells in the pancreas and biliary tract . They are produced by diffuse neuroendocrine cells ( DNES cells ) .

E. they are produced by Brunner glands and released into the lumina of the crypts of Lieberkühn

E. they are produced by Brunner glands and released into the lumina of the crypts of Lieberkühn

CHOOSE ONE CORRECT ANSWER

Which of the following statements concerning the principal fiber bundles of the periodontal ligament is true ?

A. they are composed of elastin . B. they extend from the cementum to the enamel .

C. they extend from the dentin to the cementum .

D. they are composed of collagen .

E. they extend from one tooth to the next .

D. they are composed of collagen

CHOOSE ONE CORRECT ANSWER

Passage of a bolus through the esophagus into the stomach is facilitated by which of the following ?

A. peristaltic activity of the esophageal muscularis externa

B. peristaltic activity of the gastric muscularis mucosae

C. reflux through the pharyngo esophageal sphincter

D. smooth muscle in the esophageal muscularis mucosae E. reflux through the gastroesophageal sphincter

A. peristaltic activity of the esophageal muscularis externa

CHOOSE ONE CORRECT ANSWER

The small intestine has three histologically distinct regions .Which of the following statements concerning the histological differences in the three regions is true ?

A. Peyer's patches are present only in the ileum .

B. goblet cells are present only in the epithelium of the duodenum .

C. Brunner glands are located in the duodenum and jejunum but not the ileum .

D. lymph follicles are present only in the lamina propria of the ileum .

E. the muscularis mucosae contains three layers of smooth muscle in the ileum and two layers in the duodenum and jejunum .

A. Peyer's patches are present only in the ileum .

CHOOSE ONE CORRECT ANSWER

Which of the following materials can be absorbed directly by the surface lining cells of the stomach ?

A. Vitamin B12

B. polysaccharides

C. chylomicrons

D. triglycerides

E. alcohol

E. alcohol

CHOOSE ONE CORRECT ANSWER

Which of the following statements concerning liver sinusoids is true ?

A. they are continuous with bile canaliculi .

B. they are surrounded by a well - developed basal lamina

C. they are lined by continuous endothelial cells .

D. they deliver blood to the central vein .

E. they deliver blood to the portal vein .

D. they deliver blood to the central vein

CHOOSE ONE CORRECT ANSWER

Which of the following statements concerning the gall bladder is true ?

A. it synthesizes bile .

B. it is lined by a simple columnar epithelium .

C. bile leaves the gallbladder via the common bile duct .

D. it has no muscle cells in the walls .

E. it is affected by the hormone secretin .

B. it is lined by a simple columnar epithelium

CHOOSE ONE CORRECT ANSWER

Acinar cells of the exocrine pancreas secrete

A. glucagon .

B. lysozyme

C. insulin

D. plasma proteins

E. proteases

E. proteases

CHOOSE ONE CORRECT ANSWER

Pancreatic A - cells secrete

A. glucagon

B. lysozyme

C. insulin

D. plasma proteins

E. proteases

A. glucagon

CHOOSE ONE CORRECT ANSWER Pancreatic B - cells secrete

A. glucagon

B. lysozyme

C. insulin

D. plasma proteins

E. proteases

C. insulin

CHOOSE ONE CORRECT ANSWER

Cells in the pancreas that secrete glucagon and insulin are which of the following ?

A. A and B cells

B. acinar cells

C. D cells

D. pancreatic D1 cells

E. pancreatic polypeptide cells

A. A and B cells

CHOOSE ONE CORRECT ANSWER

Serous cells are glandular acinar cells that produce a watery , proteinaceous fluid . This cell type is most predominant in which of the following glands ?

A. esophageal glands

B. intestinal glands ( of Lieberkün )

C. the parotid gland

D. the sublingual gland

E. the submandibular gland

C. the parotid gland

CHOOSE ONE CORRECT ANSWER

Hepatocytes secrete :

A. glucagon

B. lysozyme

C. insulin

D. plasma proteins

E. proteases

D. plasma proteins

CHOOSE ONE CORRECT ANSWER

Which of the following structures contains both smooth and skeletal muscles ?

A. stomach

B. jejunum

C. cecum

D. esophagus

E. rectum

D. esophagus

CHOOSE ONE CORRECT ANSWER

The bile and pancreatic ducts enter which of the following structures ?

A. stomach

B. 2nd portion of the duodenum

C. cecum

D. ileum

E. liver

B. 2nd portion of the duodenum

CHOOSE ONE CORRECT ANSWER

Circular folds ( plicae circulares ) are characteristic of which of the following structures ?

A. transverse colon

B. stomach

C. jejunum

D. cecum

E. sigmoid colon

C. jejunum

CHOOSE ONE CORRECT ANSWER

Omental appendices are located on which of the following structures ?

A. stomach

B. duodenum

C. ileum

D. ascending colon

E. liver

D. ascending colon

CHOOSE ONE CORRECT ANSWER

There are no teniae coli in which of the following structures ?

A. ascending colon

B. transverse colon

C. descending colon

D. sigmoid colon

E. appendix

E. appendix

CHOOSE ONE CORRECT ANSWER

The main pancreatic duct and the bile duct unite to form which of the following structures ?

A. common bile duct

B. hepatic duct

C. accessory pancreatic duct

D. cystic duct

E. hepatopancreatic ampulla

E. hepatopancreatic ampulla

CHOOSE ONE CORRECT ANSWER

The round ligament of the liver is the fibrous remnant of which of the following structures ?

A. umbilical vein

B. ductus venosus

C. ductus arteriosus

D. umbilical artery

E. urachus

A. umbilical vein

CHOOSE ONE CORRECT ANSWER

The porta hepatis gives passage to all of the following structures EXCEPT

A. portal vein

B. hepatic artery

C. hepatic ducts

D. lymphatic vessels

E. cystic artery

E. cystic artery

CHOOSE ONE CORRECT ANSWER

The anatomical left and right lobes of the liver are separated on the diaphragmatic surface of the liver by which of the follow- ing structures ?

A. fissure for the round ligament of the liver

B. fissure for the ligamentum venosum

C. falciform ligament

D. porta hepatis

E. lesser omentum

C. falciform ligament

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The blood supply of the pharynx is performed from : A. B. C. D. E.

A. a. thyroidea inf. B. a. thyroidea sup. C. a. palatina descendens D. a. palatina ascenedens E. a. laryngea sup.

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The human pharynx is conventionally divided into three sections : A. B. C.

A. nasopharynx (epipharynx) B. oropharynx (mesopharynx) C. laryngopharynx (hypopharynx)

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The muscles affecting the tension and relaxation in the vocal folds are : A. B.

A. cricothyroid muscles B. thyroarythenoid muscles

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The esophageal constrictions ( three narrows of the esophagus ) normally demonstrated radiographically after a barium swallow are : A. B. C.

A. pharyngoesophageal constriction B. thoracic constriction C. diaphragmatic constriction of oesophagus

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The principal glands are found in the body and fundus . The walls of the gland contain at least five distinct cell types : A. B. C. E. D.

A. Chief

B. Parietal

C. Mucous neck

D. Stem

E. Neuroendocrine

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The three parts of the large intestine are : A. B. C.

A. cecum B. colon C. rectum

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES The parts of the rectum are : A. B.

A. ampulla B. anal canal

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The parts of the duodenum are : A. B. C. D.

A. superior B. descending C. horizontal D. ascending

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The shape of the portal lobe of the liver is A.

A. polygonal (triangular)

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The cells of the sinusoids of the liver are : A. B.

A. endothelial B. kupffer cells

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

Interlobular portal triad consist of : A. B. C.

A. interlobular artery B. interlobular vein C. interlobular bile duct

FILL IN THE BLANK SPACES WITH APPROPRIATE WORDS OR PHRASES

The lobules of the liver are : A. B. C.

A. classical lobule B. portal lobule C. hepatic acinus

MORE THAN ONE CORRECT ANSWER

The pharynx :

A. there are 3 parts in its cavity

B. epithelium of the mucous membrane in the nasopharynx is stratified squamous nonkeratinizing

C. m . constrictor pharyngis superior has 4 parts

D. ostium pharyngeum tubae auditivae is in nasopharynx

E. the muscles of the pharynx are constrictors and levatores

A. there are 3 parts in its cavity

C. m . constrictor pharyngis superior has 4 parts

D. ostium pharyngeum tubae auditivae is in nasopharynx

E. the muscles of the pharynx are constrictors and levatores

MORE THAN ONE CORRECT ANSWER

The liver :

A. there are Kupffer cells - components of the phagocyte system

B. the bile pole of the hepatocyte faces on the space of Disse

C. the afferent blood supply of the liver is functional and nutritive

D. the shape of the portal lobule is rhomboid

E. has two surfaces : diaphragmatic and visceral

A. there are Kupffer cells - components of the phagocyte system

C. the afferent blood supply of the liver is functional and nutri- tive

E. has two surfaces : diaphragmatic and visceral

MORE THAN ONE CORRECT ANSWER

Typical for the small intestine

A. secretes pepsinogen

B. secretes mucus

C. secretes gastrin

D. resorbtive function

E. unistratified cylindrical resorptive epithelium

B. secretes mucus C. secretes gastrin D. resorbtive function E. unistratified cylindrical resorptive epithelium

MORE THAN ONE CORRECT ANSWER

Typical for the small intestine is :

A. 3 parts caecum , colon et rectum

B. plicae semilunares

C. 3 tenia coli

D. villi intestinales

E. duodenum, jejunum, ileum

D. villi intestinales

E. duodenum, jejunum, ileum

MORE THAN ONE CORRECT ANSWER

The small intestine :

A. consists of 3 parts : duodenum , jejunum , and ileum .

B. the free surface columnar cells ( absorptive cells ) show cilia

C. the longitudinal muscular layer in its wall is collected in three bands , tenia coli

D. the epithelium of the mucous membrane is simple columnar absorptive epithelium

E. Brunner's glands are in the tela submucosa of the jejunum

A. consists of 3 parts : duodenum , jejunum , and ileum . D. the epithelium of the mucous membrane is simple columnar absorptive epithelium

MORE THAN ONE CORRECT ANSWER

The large intestine :

A. consists of 3 parts : duodenum , jejunum , and ileum .

B. the mucous membrane forms the folds , circular folds ( plicae circulares ) .

C. the longitudinal muscular layer in its wall is collected in 3 bands , teniae coli .

D. the epithelium of the mucous membrane is simple columnar secreting

E. it has villi

C. the longitudinal muscular layer in its wall is collected in 3 bands , teniae coli . D. the epithelium of the mucous membrane is simple columnar secreting

MORE THAN ONE CORRECT ANSWER

The stomach :

A. the cardiac glands are in tela submucosa

B. consists of pars cardiaca , fundus , pars pilorica .

C. the gastric glands produce pepsinogen , hydrochloric acid , mucus

D. its epithelium is simple columnar secreting

E. the muscular coat of the stomach is built of the smooth muscle in two layers

B. consists of pars cardiaca , fundus , pars pilorica . C. the gastric glands produce pepsinogen , hydrochloric acid , mucus D. its epithelium is simple columnar secreting

MORE THAN ONE CORRECT ANSWER

The pancreas :

A. is a mixed gland with exocrine and endocrine function

B. is located intraperitoneal (it is covered with peritoneum)

C. its exocrine part is compound tubuloacinar gland

D. A - cells secrete somatostatin E. ductus pancreaticus opens in pars descendence duodeni .

A. is a mixed gland with exocrine and endocrine function C. its exocrine part is compound tubuloacinar gland E. ductus pancreaticus opens in pars descendence duodeni

MORE THAN ONE CORRECT ANSWER

The pharynx :

A. the auditory tube opens in its nasal part

B. is musculo - membranous tube with the skeleton of hialine cartilage

C. its wall is built of smooth muscles

D. mm . constrictores are 4

E. recessus piriformis is behind the ostium pharyngeum tubae auditiva

A. the auditory tube opens in its nasal part

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

Tunica externa of the organ is :

A. tunica adventitia

B. tunica serosa

1. gaster

2. pars superior duodeni

3. canalis analis

4. pars cervicalis esophagei

5. appendix vermiformis

A-3,4 B-1,2,5

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

The epithelium of the organ is :

A. multistratified non - keratinizing epithelium

B. Unistratified cylindrical secretorial epithelium

C. Henle's epithelium

D. Unistratified cylindrical resorbtive epithelium

1. esophagus

2. small intestine

3. stomach

4. ureter

A-1 B-3 C-4 D-2

MATCH EACH NUMBERED TERM WITH THE MOST PROPER LETTERED ONE

A. lamina propria

B. tela submucosa

1. gll . esophageae propriae

2. gll . pyloricae

3. gll . duodenales propriae

4. dll . gastricae propriae

5. gll . intestinal

A-2,4,5 B-1,3