TEST 3 GIT MCQs Flashcards by Naomi Khai

An fully adult male will have:
8 incisors, 4 canines, 12 premolars, 8 molars

8 incisors, 4 canines, 8 premolars, 12 molars

8 incisors, 4 canines, 8 molars

8 incisors, 8 canines, 8 molars

8 incisors, 4 canines, 8 premolars, 12 molars

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Simple columnar epithelium is present in intestine for

expansion

absorbtion of nutrients

adsorbtion of nutrients

secretion of acid

absorbtion of nutrients

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Oesophagus is lined by ____________ for protection.

transitional epithelium.

simple squamous epithelium

stratified squamous epithelium

simple columnar epithelium

stratified squamous epithelium

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Haustra

attaches the large intestine to pelvic wall

is the triangular pouches in large intestine

helps in distension and elongation of the large intestine

allows maximum digestion

helps in distension and elongation of the large intestine

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Common hepatic duct join with ________ to form common bile duct.

common hepatic duct

common bile duct

cystic duct

common liver duct

cystic duct

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Taenia coli is

2 transverse bands of smooth muscle along outer surface

3 transverse bands of smooth muscle along outer surface

3 longitudinal bands of smooth muscle along outer surface

2 circular bands of smooth muscle along outer surface

3 longitudinal bands of smooth muscle along outer surface

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_______ tooth is used for grinding in a 1 year old kid.

Premolar

Molar

Incisors

Canine

Molar

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______ is the strongest substance forming the outer layer of the tooth.

Enamel

Dentin

Pulp

Root canal

Enamel

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Majority portion of the liver is located in ___________ .

left hypochondrium

right hypochondrium

epigastrium

right lumbar

right hypochondrium

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Which of the following is NOT TRUE about Hepatic portal system?

has dual capillary system

first capillary bed across GI tract absorbs nutrients

second capillary bed ends in hepatic veins

first capillary bed ends in hepatic veins

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Swallowing phases include

oral phase, oesophageal phase, gastric phase.

oral phase, pharyngeal phase, oesophageal phase.

laryngeal phase, pharyngeal phase, oesophageal phase.

oral phase, laryngeal phase, oesophageal phase.

oral phase, pharyngeal phase, oesophageal phase.

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_______ tooth is used for tearing.

Incisors

Canine

Molar

Premolar

Canine

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Ileocecal valve

is a sphincter controlling flow of materials from ileum into rectum

Incorrect Response
is a sphincter controlling flow of materials from ileum into jejunum

is a sphincter controlling flow of materials from ileum into jejunum

is a sphincter controlling flow of materials from ileum into caecum

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________ is the part of the stomach which connects stomach with the small intestine.

Fundus

Pylorus

Body

Cardia

Pylorus

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Tongue

is a muscular organ which diverts the masticated food to nose.

is covered by villi lined by simple columnar epithelium.

along with the gums forms roof of oral cavity.

helps in mastication

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Pyloric sphincters

triggers the mechanical breakdown of the food,

releases chyme in regular small amount into duodenum.

causes rapid emptying into small intestine.

prevents reflux of food into oesophagus

releases chyme in regular small amount into duodenum.

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Oral cavity helps in all EXCEPT

speech

taste analysis

absorption

lubrication

absorption

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Lower oesophagus (cardiac) sphincter functions by

regulating emptying of oesophageal contents into larynx.

preventing reflux of gastric contents into oesophagus.

regulating emptying of oesophageal contents into stomach.

preventing reflux of gastric contents into duodenum.

preventing reflux of gastric contents into oesophagus.

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Duct of parotid gland

opens opposite third upper molar teeth

opens opposite second upper premolar teeth

opens opposite second upper molar teeth,

opens opposite second lower molar teeth

opens opposite second upper molar teeth

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Stored bile from gall bladder reaches duodenum via ________

common bile duct

duodenal duct

common hepatic duct

pancreatic duct

common bile duct

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Muscular layer has 3 layers in

stomach

intestine and stomach

full GI tract

none

stomach

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Which of the following is NOT a content of porta hepatis?

Hepatic portal vein

Hepatic artery

Common bile duct

Hepatic vein

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Villi

has lacteals for transporting proteins.

is lined by simple squamous epithelium.

has intestinal glands that secrete bilious juice

does maximum absorbtion using microvilli

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Function of gall bladder is

to store and concentrate bile.

to store bile.

to produce bile.

to concentrate bile.

to store and concentrate bile.

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Basic unit of liver is hepatocyte. hepatic lobe. hepatic lobule. hepatic triad.

hepatic lobule.

______ layer of the tooth has the nerve vascular bundle. Gingiva Enamel Pulp Dentin

Pulp

Find the correct match below: Pancreatic lipase - starch chymotrypsin - cellulose Pancreatic amylase - lipids Nucleases - Nucleic acids

Nucleases - Nucleic acids

Sinusoids in liver is lined by_________ which helps in phagocytosis of any pathogens entering the liver. Kupfer cells Kepper cells Kupper cells Klepper cells

Kupfer cells

Duodenum is a very important part of GI tract because this is a highly vascularized part of gastrointestinal tract. the maximum absorption takes place here. the chyme is acted on by the liver and pancreatic enzyme. the maximum digestion takes place here.

the chyme is acted on by the liver and pancreatic enzyme.

Right and left hepatic duct after leaving porta hepatis joins to form common hepatic duct common bile duct cystic duct common liver duct

common hepatic duct

Oral cavity is bordered by the following EXCEPT superiorly hard palate inferiorly tongue laterally cheeks posteriorly larynx

posteriorly larynx

The part of teeth which is seen is _______, the part inside the mandible is___________ and the part felt beneath the gums is_______. crown, root, neck root, crown, neck neck, root, crown crown, neck, root

crown, root, neck

______ tooth is used for cutting and chipping. Premolar Canine Molar Incisors

Incisors

Appendix is a is a finger shaped pouch from cecum. is a finger shaped pouch from Illeum. is a finger shaped pouch from colon. is a finger shaped pouch from anal canal.

is a finger shaped pouch from cecum.

Arrangement of layers in GI tract from outside to inside is Mucosa, muscularis externa, submucosa and serosa. Mucosa, submucosa, muscularis externa and serosa. Serosa, muscularis externa, submucosa and mucosa. Serosa, submucosa, muscularis externa and mucosa.

Serosa, muscularis externa, submucosa and mucosa.

Small intestine has multiple circular folds called _____ which is lined by _____ finger like projection. plica, microvilli villi, microvilli villi, plica plica, villi

plica, villi

Blood supply for GI tract is from Superior mesenteric vein from Aorta middle mesenteric artery from Aorta. Gastric artery from Aorta Inferior mesenteric artery from Aorta

Inferior mesenteric artery from Aorta

Peristalsis is the movement whether the GI contents is mixed with the digestive enzymes where the GI contents is moved from one part to other proximally. where the GI contents is moved from one part to other distally where the GI contents is moved from one part to other both sides

where the GI contents is moved from one part to other distally

Which of the following is NOT TRUE about oral cavity contents? Soft palate is the fleshy extension hanging below the uvula All salivary gland ducts open in the oral cavity Lingual frenulum is the midline mucous fold of membrane below tongue. Palatine tonsils have an immune related function

Soft palate is the fleshy extension hanging below the uvula

Gastric pits of stomach mucosa has __________ secreting mucus. surface mucous cells parietal cells chief cells islet cells

surface mucous cells

Which of the following is NOT true about digestion? 10% nutrient absorption takes place in stomach 90% nutrient absorption takes place in small intestine 90% digestion takes place in small intestine 90% water absorption takes place in large intestine

10% nutrient absorption takes place in stomach

Largest viscerl organ in the body is spleen lungs liver brain

liver

Which of the following is NOT a function of saliva? Coagulation Digestion Lubrication Defence

Coagulation

_______ ligament divides liver to right and left lobes Round Coronary Umblical Falciform

Falciform

In liver lobule, bile flows towards the portal area(triad) bile flows towards the central vein blood flows towards the portal area in sinusoid blood flows towards the central vein in bile duct

bile flows towards the portal area(triad)

Chyme is a fully absorbed food enzymes mixture. partially digested food acid mixture. fully digested food acid mixture. partially absorbed food enzymes mixture.

partially digested food acid mixture.

Where does the pancreas primarily reside in the abdomen? The head of the pancreas rests in the C loop of the duodenum. The tail of the pancreas is located near the spleen. The tail of the pancreas extends towards the left side of the abdomen. The body of the pancreas extends across the abdomen.

The head of the pancreas rests in the C loop of the duodenum.

Which of the following is NOT a content of portal area (triad)? Branch of hepatic artery Branch of common hepatic duct Branch of hepatic vein Branch of hepatic portal vein

Branch of hepatic vein

Intestinal movements are increased by______________ stimuation both Sympathetic system none of the above Parasympathetic system

Parasympathetic system

Which phase of gastric secretion has negative feedback on gastric secretion? cephalic phase intestinal phase oral phase gastric phase

intestinal phase

Which of the following is NOT TRUE about pancreas? It has 99% endocrine glands. It has 1% endocrine glands. It has 99% exocrine glands. It is a mixed endocrine and exocrine gland.

It has 99% endocrine glands.

Innermost layer mucosa of stomach is thrown in to folds called rugae. The purpose is for all of the following EXCEPT allows maximum digestion allows expansion of the organ allows maximum absorbtion increase the surface area

allows maximum absorbtion

Find the incorrect match below: Absorbtion - mechanical breakdown of food Digestion - chemical breakdown of food Excretion - defecation Ingestion - oral intake of food

Absorbtion - mechanical breakdown of food

Liver plays an important role in Glucose metabolism Storage of vitamins Production of bile and digestion. all of the above

all of the above

In defecation reflex, control can be exerted only on ileal sphincters. internal rectal sphincters. Internal anal sphincter. external anal sphincter.

external anal sphincter.

Stratified squamous epithelium is present in stomach colon esophagus duodenum

esophagus

Which of the following is NOT a function of stomach? Temporary storage of food. Production of intrinsic factor Chemical breakdown Nutrient absorption

Nutrient absorption

What is the main purpose of digestive system? digest the food absorbtion of food excretion of the waste after digestion and absorption all of the above

all of the above

Find the CORRECT match? A. Simple columnar epithelium - stomach B. Simple columnar epithelium - oesophagus C. Simple squamous epithelium - anus D. Stratified squamous epithelium - duodenum

A. Simple columnar epithelium - stomach

Find the correct match? A. Oesophagus – simple columnar epithelium B. Intestine – stratified columnar epithelium C. Oral cavity – stratified squamous epithelium D. Anus – simple squamous epithelium

C. Oral cavity – stratified squamous epithelium

Which is the correct sequence of muscle layer in stomach? A. Innermost circular, middle oblique and outermost longitudinal B. Innermost oblique, middle circular and outermost longitudinal C. Innermost longitudinal, middle circular and outermost oblique D. Innermost oblique, middle oblique and outermost longitudinal

B. Innermost oblique, middle circular and outermost longitudinal

Which of the following artery doesn’t supply gastrointestinal system A. Celiac artery B. Superior mesenteric artery C. Inferior mesenteric artery D. Portal artery

D. Portal artery

In hepatic portal system, first capillary bed is in __________and second capillary bed is in _____________. A. Stomach, liver B. Intestine, liver C. Liver, pancreas D. Pancreas, liver

B. Intestine, liver

Which of the following are digested in the oral cavity A. Carbohydrate and proteins B. Proteins and fats C. Carbohydrate and fats D. All of the above

C. Carbohydrate and fats

Which of the following statement is TRUE about the salivary glands A. Parotid gland duct opens opposite 3rd upper molar tooth B. Submandibular gland ducts are multiple. C. Saliva has antibodies D. Saliva has enzymes to digest proteins

C. Saliva has antibodies

Layer of tooth? A. Outer dentin, middle enamel and inner pulp B. Outer enamel, middle dentin and inner pulp C. Outer enamel, middle pulp and inner dentin D. Outer pulp, middle enamel and inner dentin

B. Outer enamel, middle dentin and inner pulp

Which of the following teeth is absent in the primary set? A. Incisors B. Canines C. Premolars D. Molars

C. Premolars

Which of the following is the correct sequence in swallowing ? A. Tongue retracts, soft palate closes nasopharynx; food bolus enters oropharynx, larynx elevates, epiglottis folds close larynx, food enters oesophagus, lower oesophageal sphincter opens and food bolus enters stomach B. Tongue retracts, soft palate closes laryngopharynx; food bolus enters oropharynx, larynx elevates, epiglottis folds close larynx, food enters oesophagus, lower oesophageal sphincter opens and food bolus enters stomach C. Tongue retracts, soft palate closes nasopharynx; food bolus enters nasopharynx, larynx elevates, epiglottis folds close larynx, food enters oesophagus, lower oesophageal sphincter opens and food bolus enters stomach D. Tongue retracts, soft palate closes nasopharynx; food bolus enters oropharynx, larynx elevates, epiglottis folds close larynx, food enters oesophagus, lower pyloric sphincter opens and food bolus enters stomach

A. Tongue retracts, soft palate closes nasopharynx; food bolus enters oropharynx, larynx elevates, epiglottis folds close larynx, food enters oesophagus, lower oesophageal sphincter opens and food bolus enters stomach

Function of the cardiac sphincter? A. Prevents food digestion in oesophagus B. Prevents acid entry intro duodenum C. Prevents reflux into oesophagus D. Prevents gastric emptying.

C. Prevents reflux into oesophagus

Function of the pyloric sphincter? A. Regulates digestion in stomach B. Regulates acid secretion intro duodenum C. Regulates reflux into oesophagus D. Regulates gastric emptying.

D. Regulates gastric emptying.

Function of stomach? A. Digestion of proteins B. Nutrient absorption C. Vitamin B12 production D. Production of trypsin

A. Digestion of proteins

Digestion of ____ starts in the stomach A. Protein B. Carbohydrate C. Fats D. water

A. Protein

Which cell secretes intrinsic factor? A. Parietal cell B. Chief cell C. Intrinsic cell D. Mucus cell

A. Parietal cell

Intrinsic factor is important for vitamin ___absorption? A. B12 B. B7 C. B5 D. B9

A. B12

Prime function of small intestine? A. Water absorption B. Bile recycling C. Vitamin production D. Nutrient absorption

D. Nutrient absorption

______ opens into duodenum. A. Common bile duct and pancreatic duct B. Common hepatic duct and pancreatic duct C. Cystic duct and Common hepatic duct D. Common hepatic duct and common bile duct

A. Common bile duct and pancreatic duct

Which is NOT a function of large intestine? A. Water absorption B. Bile recycling C. Vitamin production D. Nutrient absorption

D. Nutrient absorption

In defecation reflex which is the correct statement? A. Relaxation of internal sphincter (voluntary) and external sphincter (voluntary) B. Relaxation of internal sphincter (voluntary) and external sphincter (involuntary) C. Relaxation of internal sphincter (involuntary) and external sphincter (involuntary) D. Relaxation of internal sphincter (involuntary) and external sphincter (voluntary)

D. Relaxation of internal sphincter (involuntary) and external sphincter (voluntary)

______ cells works as macrophages of liver A. Kupfer cells B. Hepatocytes C. Liver cells D. Ductular cells

A. Kupfer cells

Which is not a content of portal area? A. Branch of hepatic artery. B. Branch of hepatic portal vein C. Branch of bile duct. D. Branch of central vein

D. Branch of central vein

Which is INCORRECT related to flow in hepatic lobule? A. Bile flows towards the central vein. B. Blood flows away from the central vein. C. Blood flows towards the portal area. D. Bile flows toward the portal area .

D. Bile flows toward the portal area .

A liver failure patient admitted due to alcoholic liver disease will have the following EXCEPT? A. Reduced plasma proteins B. Reduced clotting factors in blood C. Reduced production of bile D. Reduced digestion of protein

D. Reduced digestion of protein

Which one of the following doesn’t act on the proteins? A. Gastrin B. Trypsin C. Pepsin D. Chymotrypsin

A. Gastrin

Find the correct match the enzyme and origin A. Trypsin – oesophagus B. Pepsin – stomach C. Gastrin – pancreas D. Amylase - liver

B. Pepsin – stomach

Pancreas A. Is a retroperitoneal organ B. 99% produces hormones C. Tail ends in jejunum D. 1% produces digestive juices

A. Is a retroperitoneal organ