Digestive System part 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| What is the widest part of the alimentary canal? | the stomach
🗑
|
||||
| What happens to food in the stomach? | food is churned into semifluid CHYME
🗑
|
||||
| What controls the rate of delivery of CHYME into the small intestine? | the stomach
🗑
|
||||
| In the stomach, what destroys bacteria? | the acid environment
🗑
|
||||
| What is the main function of the stomach and how does it do it? | enzymatic digestion by producing pepsinogen that is converted to pepsin by HCL
🗑
|
||||
| What is pepsin? | enzyme produced by stomach to digest food
🗑
|
||||
| Name the parts and curvatures of the stomach. | 1. Cardiac Region
2. Fundus
3. Body
4. Pyloric Region
5. Lesser Curvature
6. Great Curvature
🗑
|
||||
| Where is the cardiac region of the stomach? | adjacent to the esophagus
🗑
|
||||
| What and where is the Fundus region of the stomach? | 1. the stomach's dome (top)
2. tucked under the diaphragm
🗑
|
||||
| Where is the Body region of the stomach? | lies between the fundus and the pyloric region
🗑
|
||||
| What region of the stomach controls the entry of chyme into the intestines? | the pyloric region
🗑
|
||||
| What is the lesser curvature of the stomach? | the concave right border
🗑
|
||||
| What is the greater curvature of the stomach? | the convex right border
🗑
|
||||
| What three regions is the pyloric region of the stomach separated into? (from outside in) | 1. Pylorus 2. Pyloric canal 3. Pyloric antrum
🗑
|
||||
| What are the internal folds of mucosa in empty stomach called? What happens to them when the stomach is full | call RUGAE that disappear when stomach is full
🗑
|
||||
| What three layers is the muscularis externa divided into? | 1. longitudinal layer
2. circular layer
3. oblique layer (innermost layer)
🗑
|
||||
| What kind of cells make up the stomach mucosa and what does the stomach mucosa secrete? | simple columnar epithelium; it secretes coat of bicarbonate-buffered mucus
🗑
|
||||
| What does bicarbonate-buffered mucus do? | protects the stomach against HCl
🗑
|
||||
| What is the surface of stomach mucosa dotted with and what do these open up to? | dotted with millions of GASTRIC PITS, which open to tubular GASTRIC GLANDS
🗑
|
||||
| What are the types of secretory cells in the gastric glands and what do they produce? | 1. Parietal cells- HCl and intrinsic factor
2. Chief Cells- Pepsinogen
3. Enteroendocrine cells- gastric hormones
🗑
|
||||
| What is the longest portion of the alimentary canal? | the small intestine
🗑
|
||||
| What is the principle site of enzymatic digestion and absorption? | small intestines
🗑
|
||||
| What are the three subdivisions of the Small Intestines? | 1. Duodenum
2. Jejunum
3. Ileum
🗑
|
||||
| What percentage of the small intestine is the Duodenum and where does it begin? | 5% of small intestine and begins at Pylorus
🗑
|
||||
| What perecentage of the small intestine does Jejunum make up? | 40%
🗑
|
||||
| What percentage of the small intestine is Ileum and where does it end? | 60% and it ends at the cecum of large intestine
🗑
|
||||
| What part of the small intestine receives the chyme? | the duodenum
🗑
|
||||
| What is the hepatopancreatic ampulla? | where the main pancreatic duct and bile duct enter the wall of the duodenum where they form a bulb
🗑
|
||||
| What modifications of the small intestine are used for absorption? | 1. Circular folds
2. Villi
3. Microvilli
🗑
|
||||
| What are the type of cells that exist in the intestinal wall? | 1. Absorptive Cells
2. Goblet Cells
3. Enteroendocrine cells
4. Intestinal crypts
🗑
|
||||
| What do the absorptive cells of the intestinal wall do? | uptake digested nutrients
🗑
|
||||
| What do the goblet cells of the intestinal wall do? | secrete mucus that lubricates chyme and protects lining of intestine
🗑
|
||||
| What do enteroendocrine cells do? | secrete hormones that stimulate pancreas and gallbladder
🗑
|
||||
| What are the functions of the large intestine? | 1. Re-absorption of electrolytes and water
2. Elimination of undigested food and other stuff
🗑
|
||||
| Large intestine performs a small amount of what by what? | digestion by bacteria
🗑
|
||||
| What is initiated several times a day in the large intestine and what is it for? | mass peristalic movements to forces feces toward the rectum
🗑
|
||||
| What is found in large intestine and not in small intestines? | 1. Teniae coli 2. Haustra 3. Epiploic appendages
🗑
|
||||
| What are the parts of the colon? | 1. Cecum 2. Vermiform appendix 3. Colon
🗑
|
||||
| What is the cecum? | a blind pouch at the beginning of the colon
🗑
|
||||
| What lies at the junction of ileum and cecum? | ileocecal valves
🗑
|
||||
| What are the distinct segments of the colon | Ascending, transverse, descending, and sigmoid colon
🗑
|
||||
| The rectum is a continuation of what? | the sigmoid colon
🗑
|
||||
| What do small intestines have that large intestines don't? | villi and plicae circularis
🗑
|
||||
| In the large intestines, the epithelium changes here into what? | at anal canal from simple columnar epithelial to stratified squamous epithelium
🗑
|
||||
| What is the largest gland in the body? | the liver
🗑
|
||||
| What is digestive function of the liver? | bile production
🗑
|
||||
| Where does the liver lie? | in the right upper quadrant of the abdomen
🗑
|
||||
| The liver has what type of surface? | diaphragmatic and visceral surface
🗑
|
||||
| How many lobes does the liver have and what are there names? | 1. Right
2. Left
3. Quadrate
4. Caudate
🗑
|
||||
| How do most vessels enter or leave the liver? | via the porta hepatis
🗑
|
||||
| What are Kupffer cells? | liver macrophages that remove debris from the blood
🗑
|
||||
| The gallbladder is connected to what organ and how? | the liver by the hepatic duct
🗑
|
||||
| What does the gallbladder do? | concentrates bile that comes from the liver and stores it
🗑
|
||||
| What does the gallbladder do when stimulated? | expels bile into duodenum via cystic and bile duct
🗑
|
||||
| Where does the pancreas run? | horizontally across the posterior abdominal wall between the duodenum and the spleen
🗑
|
||||
| What type organ is the pancreas? (Interperitoneal or Retro-Peritoneal) | Retro-Peritoneal
🗑
|
||||
| What Acinar cells? (EXOCRINE gland function) | cells in PANCREAS that store enzymes that break down a lot of stuff
🗑
|
||||
| Enzymes of the pancreas are activated in what? | the duodenum
🗑
|
||||
| What is the ENDOCRINE gland function of the pancreas? | produces insulin and glucagon in pancreatic islets REGULATE BLOOD SUGAR
🗑
|
||||
| What is inflammatory bowel disease and give examples? | inflammation of the intestinal wall
i.e. crohn's disease and Ulcerative colitis
🗑
|
||||
| What is Viral hepatitis? (digestive system disorder) | inflammation of liver of viral origin
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
vs604
Popular Anatomy sets