Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
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
Digestion Test
| Question | Answer |
|---|---|
| What is peristalsis | Alternating muscle contractions |
| 4 of the 6 functions of the digestive system | 1. Ingest 2. Motility 3. Secretion 4. Digestion |
| 2 main types of digestion | Chemical and Mechanical |
| What are carbohydrates broken down into | Simple sugars |
| What are fats broken down into | Fatty acids and alcohol |
| What are proteins broken down into | Amino acids |
| What organs make up the alimentary canal | Mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum |
| Submucosa | Areolar connective tissue |
| Murosa | Columnar epithelial tissue |
| Muscularis externa | Longitudinal/ circular smooth muscle |
| Serosa | Fibrous connective tissue |
| What type of digestion is taking place in the mouth | Mechanical- Mastication Chemical- Saliva is present and salivary amylase is produced to break down starches and carbohydrates |
| What is a bolus | Chewed food with saliva |
| What is the name for chewing | Mastication |
| What starts the digestion process and what triggers it | Food entering the mouth begins digestion, the sight, smell, or ingestion of food can trigger the process |
| How do salivary glands assist with mechanical and chemical digestion | Mechanical- it produces saliva to form a bolus Chemical- produces salivary amylase to break down starches and carbohydrates |
| What enzyme is produced in the mouth | Salivary amylase |
| What passageway doubles for air and food | Pharynx |
| What blocks food from going the wrong way down the pharynx | Swallowing triggers a reflex to the epiglottis to block the trachea |
| What is the function of the esophagus | To move food down the throat |
| What shape is the stomach | J- shaped |
| What sphincter does food pass through to get to the stomach | Cardioesophageal sphincter |
| What is chyme | Mix of bolus and digestive juices |
| 4 main regions of the stomach | Cardiac region Fundic region Body region Pyloric region |
| What is the function of rugae in the stomach | It causes the stomach muscles to expand |
| What causes acid reflux | The backup of acid into the esophagus |
| What do goblet cells secrete | Mucus |
| What is the function of hydrochloric acid | To kill bacteria and secrete pancreatic enzymes |
| What causes ulcers in the stomach | The breakdown of mucus on the stomach lining |
| What is the length of the small intestine | 22 feet |
| Where does the bulk of digestion happen | The small intestine |
| Where is the main place for nutrient absorption | The small intestine |
| Duodenum | The first 25 cm of the small intestine |
| Jejunum | The next 3 feet of the intestine |
| Ileum | The last 6-7 feet of the intestine |
| What is the other name for the large intestine | Colon |
| 2 main functions of the large intestine | Absorb water Rid of products that can't be absorbed |
| What part of the large intestine has the appendix | Ascending colon |
| Where does odor with feces come from | The bacteria breaks down indigestible foods giving it the odor |
| What 2 things must happen for feces to leave the body | The feces must release from the sigmoid colon into the internal anal sphincter, then it must be released after relaxation from the external anal sphincter |
| What is the pancreas role in digestion | It secretes enzymes for food to be broken down |
| What is the largest organ in the body and what does it do in digestion | The liver, it creates bile |
| What part of the nervous system controls digestion | The parasympathetic nervous system |
| What stimuli control digestion | PH levels Stretch of organ Presence of breakdown products |
| Chylomicrons | Transport dietary fats |
| Lacteals | Absorb fat from intestines |
| What triggers the release of pancreatic secretions | Acidic chyme entering the duodenum |
| Bile pathway step 1 | Chyme enters the small intestine |
| Bile pathway step 2 | Secretes CCK into the bloodstream |
| Bile pathway step 3 | Gallbladder contracts |
| Bile pathway step 4 | Bile goes to the duodenum |
| Fat pathway step 1 | Fatty acids enter epithelial cells |
| Fat pathway step 2 | Synthesize fats in endoplasmic reticulum |
| Fat pathway step 3 | Chylomicrons form |
| Fat pathway step 4 | Chylomicrons enter lacteal |
| Fat pathway step 5 | Lymph transports chylomicrons away from intestine |
| Pancreas secretion step 1 | Chyme enters duodenum |
| Pancreas secretion step 2 | Secretin into the bloodstream |
| Pancreas secretion step 3 | Stimulates pancreas |
| Pancreas secretion step 4 | Pancreatic juice is secreted |
| Pancreas secretion step 5 | Pancreatic juice neutralizes chyme |
| Alimentary canal pathway | 1. Mouth 2. Pharynx 3. Esophagus 4. Cardioesophageal sphincter 5. Stomach 6. Pyloric sphincter 7. Duodenum 8. Jejunum 9. Ileum 10. Iliosacral sphincter 11. Ascending colon 12. Transverse colon 13. DEscending colon 14. Sigmoid colon |
| Alimentary canal continued | 15. Rectum 16. Internal anal sphincter 17. External anal sphincter |
| Salivary Amylase | -Salivary glands -breaks down carbohydrates and starch |
| Pepsin | -Stomach -breaks down proteins |
| Hydrochloric acid | -Stomach - secretes enzymes and kills bacteria |
| Bile | -Liver -stored in Gallbladder - begins fat breakdown |
| Pancreatic amylase | - Pancreas - breaks down carbohydrates and starch |
| Trypsin | - Pancreas - Breaks down proteins |
| Lipase | - Pancreas - Breaks down lipids (removes fatty acid) |
| Nucleases | - Pancreas - breaks down amino acids |
| Sodium Bicarbonate | - Pancreas - neutralizes acid in small intestine |
| Maltase | Breaks down complex sugars into glucose |
| Chymotrypsin | Removes peptide bonds breaking down the remaining amino acids |
| Sucrase | Sucrose is converted to glucose |
Created by:
kjdavis9905