gastro

58問 • 2年前

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問題一覧

the digestive tract is an internal passageway, which begins at the mouth and ends at the

anus

all of the following are components of the digest system except

larynx

most of the digestive tract is lined by

simple columnar epithelia

there are three pairs of salivary glands, which produce saliva, which contains all of the following except

pancreatic amylase

chewing breaks up large food particles and mixes the food with the secretions of the

salivary glands

salivary secretion is under neural control and food in the mouth causes ? secretion of saliva

reflex

swallowing is initiated by voluntary action of collecting oral contents on the tongue and propelling them backwards into the

pharynx

a travelling wave of smooth muscle contractions that propel food along the digestive tract is called

peristalsis

the entrance to the stomach is guarded by the lower esophageal ?, which allows food to enter the stomach but prevents gastric reflux of stomach contents

sphincter

which of the following is not a region of the stomach

duodenum

mucus is secreted by goblet cells, hydrochloride acid is secreted by parietal cells, while pepsin is secreted from the ? of the stomach

chief cells

a major function of mucus is to protect the lining of the stomach from the digestive actions of

hydrochloric acid

all of the following are phases of the gastric secretion except

cephalic phase

the pyloric sphincter regulates the release of chyme into the

duodenum

the small intestine plays a key role in digestion and absorption of nutrients while the large intestine

reabsorbs water, sodium and other minerals

in healthy individuals, the small intestine is divided into

duodenum, ileum and jejunum

the large intestine consists of all of the following except

anus

exocrine pancreatic cells include the acinar cell and epithelial cells, which secrete pancreatic juice into

small intestine

which of the following is not a specified pancreatic exocrine enzyme

pancreatic glucagon

the liver is one of the most versatile organs of the body, which provides essential metabolic and synthetic function and secretes a fluid called

bile

bile salts are involved with ?, which dramatically increases the surface area of lipid droplets to enhance enzyme attack, and facilitates interaction between the lipids and lipid digesting enzymes

emulsification

the gallbladder stores and concentrates bile prior to release into the small intestine in response to stimulation by the intestinal hormone

cholecystokinin

duodenal enteroendocrine cells help coordinate and regulate digestive functions by production of hominem including which of the following

secretin

secretin increases secretions of bile and buffers by the

liver and pancreas

cholecystokinin accelerates production and secretion of digestive enzymes and pushes pancreatic secretion and bile into the

duodenum

gastric inhibitory polypeptide inhibits activity and mainly stimulates

insulin release

vasoactive intestinal peptide stimulates the secretion of intestinal glands and inhibits acid production in the

stomach

gastric promotes increased ? motility

stomach

carbohydrate digesting starts in the mouth abs continues to digest food in the stomach for about ?

1-2 hours

disaccharides and trisaccharides are broken down into monosaccharides by brush border enzymes of the intestinal microvilli before

absorption

which of the following is not a disaccharide

fructose

absorption of monosaccharides is by

facilitated diffusion

lipid digestion involves pancreatic lipase from the pancreas, which transforms triglycerides into free fatty acids and

monoglycerides

the fatty acids produced from triglycerides interact with bile salts to form small lipid bile salt complexes called

micelles

lipids enter intestinal cells and generate new triglycerides, which associate with steroids, phospholipids and proteins to create ?, which are secreted into the intestitual fluid

chylomicrons

protein digestion is complex and time consuming, where stomach acid, pepsin, trypsin and other enzymes break bonds in the protein to degrade it into constituents

amino acids

amino acids are absorbed by each of the following except

osmosis

of the 9 litres of water passing through the intestines, ? are reabsorbed and the remainder is excrete in stool

8.8 litres

most water soluble vitamins are absorbed through the action of ? into the digestive epithelium

specific carriers

up to 80% of investors calcium is absorbed and this process is regulated by the ? derivative and facilitated by protein

vitamin D

why are the enzymes pepsin and trypsin initially secreted as pepsinogen and trypsinogen (proenzymes)

to prevent self digestion of secreting organs

what are the main sources of bicarbonate in the intestine

bile and pancreatic juice

what is the main role of bicarbonate in the small intestine

maintain optimal pH for enzymatic digestion

which part of the stomach is primarily responsible for the secretion of stomach juices

fundus

what is the main effect of motility on the digestive tract

increased gastric motor activity

which phase of gastric secretion does not require the presence of food in the stomach

cephalic phase

which of the following is not a role of motility in the gastrointestinal system

digestion

bike is released into the duodenum by which organ

gallbladder

what type of food is primarily digested in the stomach

protein

the main process relating to digestion which occurs in the large intestine is

fermentation

fat is mainly absorbed by the

lymphatic system

secretions of the exocrine pancreas plays a role in the digestion of

proteins, carbohydrates, lipids and nucleic acids

which branch of the nervous system regulates the function of the gastrointestinal system

autonomic

ageing of the gastrointestinal system is frequently characterised by an increased incidence of constipation. this may be caused by

slow peristalsis

which of the following is not a function of the liver

regulation of gastro mobility

what are the roles of water in digestion

hydrolysis, lubrication and dilution

why does eating a large meal make one sleepy

effect of cholecystokinin on the brain

pancreatitis will have the following symptoms

decreases digestion and absorption of nutrients and diarrhoea

concepts

concepts

muscle

muscle

nervous

nervous

reproductive

reproductive

renal

renal

endocrine

endocrine

respiratory

respiratory

bodily fluids

bodily fluids

cardiovascular

cardiovascular

問題一覧

the digestive tract is an internal passageway, which begins at the mouth and ends at the

anus

all of the following are components of the digest system except

larynx

most of the digestive tract is lined by

simple columnar epithelia

there are three pairs of salivary glands, which produce saliva, which contains all of the following except

pancreatic amylase

chewing breaks up large food particles and mixes the food with the secretions of the

salivary glands

salivary secretion is under neural control and food in the mouth causes ? secretion of saliva

reflex

swallowing is initiated by voluntary action of collecting oral contents on the tongue and propelling them backwards into the

pharynx

a travelling wave of smooth muscle contractions that propel food along the digestive tract is called

peristalsis

the entrance to the stomach is guarded by the lower esophageal ?, which allows food to enter the stomach but prevents gastric reflux of stomach contents

sphincter

which of the following is not a region of the stomach

duodenum

mucus is secreted by goblet cells, hydrochloride acid is secreted by parietal cells, while pepsin is secreted from the ? of the stomach

chief cells

a major function of mucus is to protect the lining of the stomach from the digestive actions of

hydrochloric acid

all of the following are phases of the gastric secretion except

cephalic phase

the pyloric sphincter regulates the release of chyme into the

duodenum

the small intestine plays a key role in digestion and absorption of nutrients while the large intestine

reabsorbs water, sodium and other minerals

in healthy individuals, the small intestine is divided into

duodenum, ileum and jejunum

the large intestine consists of all of the following except

anus

exocrine pancreatic cells include the acinar cell and epithelial cells, which secrete pancreatic juice into

small intestine

which of the following is not a specified pancreatic exocrine enzyme

pancreatic glucagon

the liver is one of the most versatile organs of the body, which provides essential metabolic and synthetic function and secretes a fluid called

bile

bile salts are involved with ?, which dramatically increases the surface area of lipid droplets to enhance enzyme attack, and facilitates interaction between the lipids and lipid digesting enzymes

emulsification

the gallbladder stores and concentrates bile prior to release into the small intestine in response to stimulation by the intestinal hormone

cholecystokinin

duodenal enteroendocrine cells help coordinate and regulate digestive functions by production of hominem including which of the following

secretin

secretin increases secretions of bile and buffers by the

liver and pancreas

cholecystokinin accelerates production and secretion of digestive enzymes and pushes pancreatic secretion and bile into the

duodenum

gastric inhibitory polypeptide inhibits activity and mainly stimulates

insulin release

vasoactive intestinal peptide stimulates the secretion of intestinal glands and inhibits acid production in the

stomach

gastric promotes increased ? motility

stomach

carbohydrate digesting starts in the mouth abs continues to digest food in the stomach for about ?

1-2 hours

disaccharides and trisaccharides are broken down into monosaccharides by brush border enzymes of the intestinal microvilli before

absorption

which of the following is not a disaccharide

fructose

absorption of monosaccharides is by

facilitated diffusion

lipid digestion involves pancreatic lipase from the pancreas, which transforms triglycerides into free fatty acids and

monoglycerides

the fatty acids produced from triglycerides interact with bile salts to form small lipid bile salt complexes called

micelles

lipids enter intestinal cells and generate new triglycerides, which associate with steroids, phospholipids and proteins to create ?, which are secreted into the intestitual fluid

chylomicrons

protein digestion is complex and time consuming, where stomach acid, pepsin, trypsin and other enzymes break bonds in the protein to degrade it into constituents

amino acids

amino acids are absorbed by each of the following except

osmosis

of the 9 litres of water passing through the intestines, ? are reabsorbed and the remainder is excrete in stool

8.8 litres

most water soluble vitamins are absorbed through the action of ? into the digestive epithelium

specific carriers

up to 80% of investors calcium is absorbed and this process is regulated by the ? derivative and facilitated by protein

vitamin D

why are the enzymes pepsin and trypsin initially secreted as pepsinogen and trypsinogen (proenzymes)

to prevent self digestion of secreting organs

what are the main sources of bicarbonate in the intestine

bile and pancreatic juice

what is the main role of bicarbonate in the small intestine

maintain optimal pH for enzymatic digestion

which part of the stomach is primarily responsible for the secretion of stomach juices

fundus

what is the main effect of motility on the digestive tract

increased gastric motor activity

which phase of gastric secretion does not require the presence of food in the stomach

cephalic phase

which of the following is not a role of motility in the gastrointestinal system

digestion

bike is released into the duodenum by which organ

gallbladder

what type of food is primarily digested in the stomach

protein

the main process relating to digestion which occurs in the large intestine is

fermentation

fat is mainly absorbed by the

lymphatic system

secretions of the exocrine pancreas plays a role in the digestion of

proteins, carbohydrates, lipids and nucleic acids

which branch of the nervous system regulates the function of the gastrointestinal system

autonomic

ageing of the gastrointestinal system is frequently characterised by an increased incidence of constipation. this may be caused by

slow peristalsis

which of the following is not a function of the liver

regulation of gastro mobility

what are the roles of water in digestion

hydrolysis, lubrication and dilution

why does eating a large meal make one sleepy

effect of cholecystokinin on the brain

pancreatitis will have the following symptoms

decreases digestion and absorption of nutrients and diarrhoea