A&P Ch 23 price this data set:
The mechanical and chemical receptors that manage digestive activity are located ________.A) in the glandular tissue that lines the body organ lumenB) in the walls of the street organsC) in the pons and medullaD) only in the esophagus since this is the only component of the street that needs to readjust to accommodate food passage | B) in the walls of the street organs | |
The function of the hepatic portal circulation is come ________.A) carry toxins come the venous device for disposal v the urinary tractB) collect soaked up nutrients for metabolic handling or storageC) distribute hormonesD) return glucose come the basic circulation as soon as blood sugar is low | B) collect soaked up nutrients because that metabolic processing or storage | |
The chemical and mechanical procedures of food malfunction are referred to as ________.A) digestionB) absorptionC) ingestionD) secretion | A) digestion | |
When us ingest big molecules such together lipids, carbohydrates, and proteins, they need to undergo catabolic reactions whereby enzymes split these molecules. This collection of reactions is dubbed ______.A) absorptionB) secretionC) chemistry digestionD) mechanical digestion | C) chemistry digestion | |
From the esophagus to the anal canal, the walls of every body organ of the alimentary canal are consisted of of the same four straightforward layers. Arrange lock in order native the lumen.A) muscularis externa, serosa, mucosa, & submucosaB) serosa, mucosa, submucosa, & muscularis externaC) submucosa, serosa, muscularis externa, & mucosaD) mucosa, submucosa, muscularis externa, & serosa | D) mucosa, submucosa, muscularis externa, & serosa | |
Which hormone reasons an raised output the enzyme-rich pancreatic juice and stimulates gallbladder convulsion to relax bile?A) gastrinB) secretinC) cholecystokininD) gastric inhibitor peptide | C) cholecystokinin | |
The absorptive efficiency of the tiny intestine is enhanced by boosting the surface area that the mucosal lining. Which of the following attain this task?A) plicae circulares and intestinal villiB) the huge array of cradle enzymesC) Brunnerʹs glandsD) the rugae | A) plicae circulares and also intestinal villi | |
In enhancement to storage and mechanical breakdown of food, the stomach ________.A) initiates protein digestion and also denatures proteinsB) is the first site where absorption takes placeC) is the only location where fats are fully digestedD) is the an initial site whereby chemical digestion of starch takes place | A) initiates protein digestion and also denatures proteins | |
Chyme is created in the ________.A) mouthB) stomachC) esophagusD) little intestine | B) stomach | |
Hydrochloric mountain is secreted by which of the secretory cell of the stomach?A) chief cellsB) parietal cellsC) serous cellsD) mucous neck cells | B) parietal cells | |
There room three phases that gastric secretion. The cephalic phase occurs ________.A) prior to food start the stomach and also is prompted by aroma, sight, or thoughtB) automatically after food enters the stomach, prepare the tiny intestine because that the influx of a variety of nutrientsC) at the end of a huge meal, and the juices secreted are powerful and continue to be in the GI tract for a long period of timeD) as soon as the meal is excessively high in acids and neutralization is required | A) prior to food beginning the stomach and is triggered by aroma, sight, or thought | |
Peristaltic waves space ________.A) segmental areas of the cradle tractB) churning movements of the gastrointestinal tractC) pendular activities of the cradle tractD) waves of muscular contractions the propel components from one point to another | D) tide of muscular contractions that propel components from one suggest to another | |
Gastrin is a cradle hormone the is responsible because that the stimulation of acid secretions in the stomach. This secretions are stimulated by the presence of ________.A) starches and complicated carbohydratesB) protein and also peptide fragmentsC) straightforward carbohydrates and alcoholsD) fat acids | B) protein and peptide fragments | |
Pepsinogen, a cradle enzyme, is secreted by the ________.A) chief cells of the stomachB) parietal cells of the duodenumC) Brunnerʹs glandsD) goblet cells of the tiny intestine | A) chief cells of the stomach | |
You have actually just eaten a meal high in complicated carbohydrates. Which of the adhering to enzymes will help to digest the meal?A) gastrinB) amylaseC) cholecystokininD) trypsin | B) amylase | |
Chemical cradle reduces large facility molecules to easier compounds by the process of ________.A) masticationB) catabolismC) anabolismD) fermentation | B) catabolism | |
The duty of the goblet cell is come ________.A) absorb nutrient from digested food and store them for future useB) produce mucus that protects parts of the cradle organs native the results of an effective enzymes required for food digestionC) secrete buffers in bespeak to store the pH that the digestive tract close come neutralD) carry out protection against invading bacteria and other disease-causing biology that get in the digestive street in food | B) produce mucus that protects components of the digestive organs indigenous the results of powerful enzymes essential for food digestion | |
Nervous manage of gastric secretion is listed by ________.A) somatic neurons in the spinal cordB) the vagus nerve and also enteric plexusC) the rubrospinal tractsD) the reticulospinal and also vestibulospinal tracts | B) the vagus nerve and also enteric plexus | |
Which that the adhering to enzymes is specific for proteins?A) dextrinaseB) amylaseC) trypsinD) lipase | C) trypsin | |
A liquid secreted right into the little intestine during digestion that contains cholesterol, emulsification agents, and phospholipids is ________.A) bileB) pancreatic juiceC) intestinal juiceD) gastric juice | A) bile | |
The class of the digestive pipe that consists of blood vessels, lymphatic nodes, and a well-off supply the elastic yarn is the ________.A) mucosaB) submucosaC) muscularis externaD) serosa | B) submucosa | |
Which of the complying with is not characteristic of the big intestine? that ________.A) does no contain villiB) exhibits exterior muscular bands called teniae coliC) is longer than the tiny intestineD) has haustra | C) is longer than the little intestine | |
Chemical cradle in the small intestine involves ________.A) a far-ranging amount that enzyme cheap by the minister mucosaB) cholecystokinin (CCK), an intestinal hormone responsible because that gallbladder contractionC) secretions native the spleen that contain all enzymes crucial for finish digestionD) bile salt that aid emulsify carbohydrates so the they have the right to be conveniently digested by enzymatic action | B) cholecystokinin (CCK), an minister hormone responsible because that gallbladder contraction | |
Select the correct statement about absorption.A) Eighty percent that ingested materials have actually been soaked up by the finish of the huge intestine.B) carbohydrates diffuse throughout the villus epithelium and also are then actively transported right into blood capillaries.C) If undamaged proteins are transported throughout the villus epithelium, an immune solution may be generated.D) Amino acid transfer is attached to chloride transport. You are watching: Chemical digestion reduces large complex molecules to simpler compounds by the process of ________. | C) If undamaged proteins room transported throughout the villus epithelium, an immune response may be generated. | |
Select the correct statement around electrolyte absorption.A) Chlorine ion absorb is combination to glucose and amino acid transport.B) Potassium moves across the epithelium by active transport.C) If vitamin B is not present, calcium is no absorbed.D) Iron and also calcium are soaked up mostly by the duodenum. | D) Iron and also calcium are soaked up mostly by the duodenum. | |
The ingestion of a enjoy the meal high in fat content would cause which that the complying with to occur?A) serious indigestion would certainly occur, resulted in by the lack of adequate digestive enzymes.B) This type of food would reason secretion of gastrin come cease, causing digestive upset.C) Bile would certainly be exit from the gallbladder come emulsify the fat in the duodenum.D) The mountain secretions from the stomach would certainly be enough to digest this food. See more: Will Pepto B Is Pepto Bismol A Laxative S, Gastroenterologist Explains | C) Bile would certainly be released from the gallbladder to emulsify the fat in the duodenum. | |
The circular wrinkle of the little intestine boost absorption by bring about the chyme come spiral, quite than to move in a right line, as it passes through the little intestine.True or False | TRUE | |
As food passes with the cradle tract, it i do not care less complex and the nutrients are much more readily obtainable to the body.True or False | TRUE | |
Pepsinogen is the precursor come the gastric enzyme for protein digestion and is secreted by the parietal cells.True or False | FALSE | |
The key chemical activity of the stomach is to start the digestion of proteins.True or False | TRUE | |
The major role of absorb in the ileum is to reclaim bile salt to it is in recycled ago to the liver.True or False | TRUE | |
The digestive duty of the liver is to produce bile.True or False | TRUE | |
Another term because that swallowing is deglutition.True or False | TRUE | |
The stomach"s contractile rate is collection by pacemaker cells found in the spinal cord.True or False | FALSE | |
Most nutrient are took in through the mucosa of the minister villi by energetic transport.True or False | TRUE | |
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