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Week 13 A & P
| Question | Answer |
|---|---|
| Surgical removal of the gallbladder is referred to as -choletithiasis -cholecystitis -cholecystectomy -choledochorrhaphy | cholecystectomy |
| The walls of the GI tract are composed of -- layers of tissue -2 -3 -4 -5 | 4 |
| The proper anatomical order for the divisions of the colon is -desecending, transverse, sigmoid, ascending -ascending, transverse, descending, sigmoid -sigmoid, ascending, tranverse, descending | ascending, transverse, descending, sigmoid |
| Which of the following organs has a mucosa layer composed of stratified squamous epithelium that resists abrasion -stomach -esophagus -small intestine -large intestine | esophagus |
| A barium enema is used to detect and locate -polyps -tumors -diverticula -all of the above | all of the above |
| The longest portion of the small intestine is the -duodenum -ileum -jejunum -colon | ileum |
| An incision into the wall of the GI tract would cut, in order, from superficial to deep -mucosa, submucosa, muscularis, serosa -serosa, muscularis, submucosa, mucosa -muscularis, submucosa, mucosa, serosa | serosa, muscularis, submucosa, mucosa |
| The numerous small elevations on the surface of the tongue that support taste buds are called -cilia -rugae -villi -papillae | papillae |
| The flap of tissue suspended from the midpoint of the posterior border of the soft palate is the -fauces -frenulum -uvula -gingiva | uvula |
| After leaving the stomach, food enters the -large intestine -small intestine -esophagus -retum | small intestine |
| The fan shaped projection of peritoneum that connects the small intestine to the posterior abdominal wall is the -viscreal peritoneum -greater omentum -lesser omentum -mesentery | mesentery |
| Microvilli can be found in the -stomach -small intestine -large intestine - both b and c | Both B and C |
| The type of tissue designed for absorption and secretion found throughout much of the GI tract is __ epithelium -simple columnar -stratified squamous -simple squamous -pseudostratified | simple columnar |
| Which of the following is not an anatomical part of the small intestine -duodenum -cecum -ileum -jejunum | cecum |
| Which of the following organs has a mucosal layer that is composed o columnar epithelium with a brush border of microvilli to enhance absorption -esophagus -large intestine -small intestine -stomach | small intestine |
| The most essential part of bile is -bile salts -bile pigments -cholesterol -bilirubin | bile salts |
| The substance that forms the outer covering of the neck and root of a tooth is -enamel -dentin -cementum -pulp | cementum |
| Which of the following structures is anatomically the longest -esophagus -duodenum -jejunum -ileum | ileum |
| Which of the following papillae of the tongue lack taste buds -vallate -fungiform -filiform -lingual | filiform |
| Approximately how much saliva do the three pairs of compound tubuloalveolar glands (parotids, submandiubulars, and sublinguals) secrete each day -200ml -500ml -750ml -1 liter | 1 liter |
| The extrinsic tongue muscles differ from the intrinsic tongue muscles in the ___ outside of the tongue -extrinsic muscles have both their insertion and origin -extrinsic muscles insert into the tongue but have their origin | extrinsic muscles insert into the tongue but have their origin |
| All of the following are classified as accessory organs of the digestive system except the -tongue -mouth -liver -pancreas | mouth |
| The right angle between the transverse colon and the ascending colon is the -costal angle -hepatic flexure -left colonic bend -splenic fexure | hepatic flexure |
| The part of the colon that lies in the vertical position on the left side of the abdomen, extending from a point below the stomach and spleen to the level of the iliac crest is the __ colon -descending -transverse -ascending -sigmoid | descending |
| The more common term for deglutition is -chewing -swallowing -mechanical digestion -vomiting | swallowing |
| In the hard palate consists of the portions of -4 bones 2 maxillae 2 palatines -2 bones 2 palatines -4 bones 3 maxillae 1 palatine -2 bones 1 maxillae 1 palatine | 4 bones 2 maxillae 2 palatines |
| Phagocytic cells lining liver sinusoids are called __ cells -chief -alpha -kupffer -hepatic | kupffer |
| Which of the following is not a lobe of the liver -right lobe -medial lobe -left lobe -caudate lobe -quadrate lobe | medial lobe |
| Which of the following salivary glands produces only a mucus type of saliva -sublinguals -parotids -submandibulars -both a and b | sublinguals |
| bile is secreted by -parietal cells -crypts of lieberkuhn -kupffer cells -hepatic cells | hepatic cells |
| Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called -aldosterone -gastrin -gastric inhibitory peptide -lecithin | gastric inhibitory peptide |
| The act of expelling feces is called -eliminiation -excretion -defecation -rehydration | defecation |
| The final step in lipid transport by the intestines is the formation of -micelles -chylomicrons -bile -sodium bicarbonate | chylomicrons |
| Stimulation of gastric juice secretes occurs in all of the following phases except the __ plate -cephalic -digestive -gastric -intestional | digestive |
| __ is the passage of substances through the intestinal mucosa into the blood or lymph -secretion -absorption -elimination -ingestion | absorption |
| The process of deglutition includes all of the following except the __ stage -oral -pharyngeal -esophageal -laryngeal | laryngeal |
| The wave-like ripple of the muscle layer of the GI tract is called -deglutition -mastication -peristalsis -segmentation | peristalsis |
| What percentage of this blood flow comes from the hepatic portal system -20 -50 -80 -95 | 80% |
| During which stage of swallowing is there a risk of food entering respiratory pathways -oropharyngeal -esophageal -chemical digestion -mastication | oropharyngeal |
| Because fats are insoluble in water, they must be -catalyzed -emulsified -absorbed in the stomach -secreted before they enter the small intestine | emulsified |
| Saliva contains the enzyme -lipase -trypsin -pepsin -amylase | amylase |
| CCK is an intestinal hormone that -causes the pancreas to increase secretion of exocrine high in enzymatic content -opposes the influence of gastrin on gastric parietal cells -stim contraction of the gallbalder so bile can pass into the duodenum -all | all of the above |
| The ejection of bile from the gallbladder is controlled by which hormones -gastrin and CCK -CCK and GIP -CCK and secretin -secretion and GIP | CCK and secretin |
| Chemical digestion requires the secretion of __ into the lumen of the GI tract -digestive enzymes -bile -chyme -digestive enzymes and bile | digestive enzymes and bile |
| Peristalsis is regulated in part by the enteritic stretch reflexes. It is also thought to be stimulated by the hormone -gastrin -secretin -glucagon -cholecystokinin CCK | cholecystokinin CCK |
| the chemical process in which a compound unites with water and then splits into simpler compounds is called -dehydration synthesis -emulsification -hydrolysis -none of the above | hydrolysis |
| Pepsinogen is converted to pepsin y hydrochloric acid, which is produced by the ___ of the gastric glands -parietal cells -chief cells -tuft cells -rugae | parietal cells |
| Which of these is not an example of mechanical digestion -moistening the food -changing the food from large to small particles -propelling the food through the digestive tract -all of the above | moistening the food |
| The enzyme pepsin begins the digestion of -carbohydrates -protein -fat -nucleic acids | protein |
| The hormone that stimulates the gallbladder to release bile is -enterogastrone -insuin -gastrin -cholecystokinin | cholecytokinin |
| Which of the following is not a function of the liver -detoxification -secretion of insulin -storage of iron and vitamins 0production of bile | secretion of insulin |
| The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules __ the GI lumen -passively out of -passively into -actively out of -actively into | passively out of |
| The final product of carbohydrate digestion is a -disaccharide -monosaccharide -polysaccharide -fatty acid | monosaccharide |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is -vasoactive intestinal peptide -enterogastrone -secretin -cholecystokinin-pancreozymin | vasoactive intestinal peptide |
| Hydrolysis refers to -breaking down a molecule of water to hydrogen and oxygen gas -using water to split large compounds into smaller ones -using water to build large compounds from smaller ones | using water to split large compounds into smaller ones |
| Which of the following is a disaccharide -glucose -starch -sucrose -glycogen | sucrose |
| The substances absorbed into the lymph capillaries are -glycose and glycerol -glycerol and fatty acids -amino acids and fatty acids -glucose and amino acids | glycerol and fatty acids |
| Glucose moves from the GI tract into the circulatory system by the process of -diffusion -cotransport -facilitated diffusion -filtration | cotransport |
| Polysaccharides are hydrolyzed into disaccharides by enzymes known as -lipase -proteases -maltase -amylase | amylase |
| Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus -oropharynx -nasopharynx -larynx -mouth | oropharynx |
| The purpose of peristalsis is to -break apart chunks of food and mix it in digestive juices -propel food forward along the GI tract -absorb food -enable swallowing | -propel food forward along the GI tract |
| When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as __ enzymes -oxidation-reduction -hydrolyzing -phosphorylating -hydrase | hydrolyzing |
| Bicarbonates are useful in the GI tract to -neutralize hydrochloric acid -break down fats -activate secretin -activate pepsin | neutralize hydrochloric acid |
| The process of swallowing is known as -mastication -deglutition -peristalsis -segmentation | deglutition |
| Which step of deglutition is under voluntary control -oral stage -pharyngeal stage -esophageal stage -gastric phase | oral stage |
| The process of fat emulsification consists of -chemically breaking down fat molecules -secretion of digestive juices for fat digestion -breaking fats into small droplets -absorption of fats | breaking fats into small droplets |
| The intestinal hormone cholecystokinin -causes the pancreas to increase exocrine secretions high in enzyme content -opposes the influence of gastric parietal cells -stimulates the contraction o the gallbladder -all of the above | all of the above |
Created by:
bandgeeksunite2013