Question
click below
click below
Question
Normal Size Small Size show me how
A&P
Digestive system
Question | Answer |
---|---|
_______________________ is a protective mechanism involving forcefully expelling food from the stomach. | Vomiting |
Bile is produced in the __________________. | Liver |
The thick, soupy liquid of partially digested food that leaves the stomach is called | Chyme |
Chewing food is an example of __________________ digestion. | Mechanical |
An illness caused by spoiled, infected, or contaminated food is _______________________. | Food poisoning |
What organ is primarily responsible for water absorption? | Large intestines |
The double-layer sheets of serous membrane that support the viscera are called | Mesenteries |
Which layer of the digestive tract directly underlies the epithelium? | Lamina propria |
What provides access for blood vessels entering and leaving the liver? | Lesser omentum |
All of the following are true of the lining of the stomach, except that it | Recycles bile. |
The pH of the blood in gastric veins | is greater during digestion of a large meal than following a 24-hour fast. |
The duodenal ampulla receives secretions from the | ) Common bile duct and the pancreatic duct. |
The Kupffer cells of the liver | All of the answers are correct. |
The essential functions of the liver include | All of the answers are correct. |
Hydrochloric acid from the stomach is neutralized in the small intestine by: | Sodium bicarbonate from the pancreas |
Which of the following enzymes is important for breaking down protein? | Pepsin |
Which of the following enzymes is important for the digestion of fat? | Pancreatic lipase |
The enzyme amylase digests | Polysaccharides |
Which of the following is true regarding lactose intolerance? | The intestinal crypts are not producing the enzyme lactase |
The enzyme that digests starch into disaccharides and trisaccharides is ________. | Amylase |
Which of the following is not a digestive function? | Filtration |
Which of following is not considered an accessory organ of the digestive system? | small intestines |
Which accessory organ of the digestive system will process and store nutrients as well as producing bile for emulsification? | liver |
The process of mechanical digestion includes | physically making food smaller and easier to handle. |
Which of the following is not a function of the digestive system? | to protect against pathogens |
If your appendix bursts it may lead to a life threatening condition called | peritonitis. |
The fleshy extension of the soft palate is known as the | adenoid. |
What prevents food from entering the nasal cavities? | hard and soft palate |
The dentist explained that dental caries are caused by | bacteria within the mouth metabolizing sugar. |
today, physicians and dentists are concerned that gum disease is linked to _________ | cardiovascular disease |
What enzyme initiates the process of starch digestion in the mouth? | salivary amylase |
Mr. Staub was rushed to the hospital because he had intense pain in his chest. After running tests on Mr. Staub it was determined that it was not suffering from a heart attack but from | gastroesophageal reflux disease. |
The process that pushes food through the esophagus is called | peristalsis. |
Muscles that encircle tubes and act as circular valves are called | sphincters. |
The primary function of the stomach is to | store food, churn, and begin digestion |
What greatly increases the capacity of the stomach? | rugae |
Pepsin is an enzyme that digests proteins at acidic pH. Therefore, it must act in the | stomach |
What serves as an emulsifying agent for fats in the small intestine? | bile |
The small lymphatic capillaries that reside in the small intestines and absorb fats are known as | lacteals |
The main symptoms of lactose intolerance are | diarrhea and bloating. |
. When Sheree opened the abdominal cavity of her preserved frog, it seemed to be filled with a dark brown organ. This is the | liver |
Which of the following is not produced by the pancreas? | bile |
Which of the following is not a function of the liver? | It secretes digestive enzymes into the small intestine. |
A serious genetic disorder known as hemochromatosis is often called the rusty organ disease and affects nearly 1.5 million Americans. The disorder causes increased absorption of intestinal iron. Which organ is responsible for iron homeostasis? | liver |
Why is bile a yellowish-greenish color? | It contains bilirubin. |
What type of hepatitis is usually acquired through blood transfusions or sexual contact? | B D. D |
Which of the following is a digestive hormone that causes the liver to increase its production of bile and the gallbladder to release stored bile? | CCK |
The major portions of the large intestine include | the cecum, colon, rectum, and anus. |
What is the major function of the colon? | form feces E. eliminate iron |
What is one benefit of normal flora in the large intestine? | produce vitamin B |
Small growths arising from the epithelial lining of the colon are called | polyps |
Which of the following will not reduce dietary lipids? | Use butter instead of herbs and spices. |
Chad was concerned about eating foods with a high glycemic index because these foods | can cause a rapid increase in blood glucose. |
Which of the following is necessary for strong bones and teeth, nerve conduction, muscle contraction, and blood clotting? | calcium |
A diet rich in what vitamins may reduce the chance of free radicals that can cause health problems? | C, E, and A |
A deficiency in which mineral leads to thyroid deficiency? | IODINE |
Which vitamin is fat soluble? | vitamin E |
About 90% of people suffering from anorexia nervosa are | YOUNG WOMEN |
four layers of the alimentary canal- MSMS | Mucosa, submucosa muscularis serosa |
2 types of movements in the alimentary canal | mixing movements: segmentation propelling movements: peristalsis |
parasympathetic impulses | rest & digest |
sympathetic impulses | fight or flight decrease |
epiglottis is attached to the | larynx |
how many teeth's does the mouth have | 20 primary deciduous teeth replaced by 32 permanent teeth |
4 parts of the stomach | cardia, fundus, body. pylorus |
when chyme starts to fill the duodenum | stretch receptors initiate the enterogastric reflex |
how long does it take the hypothalamus to know your full | 20 mins |
antacids contain | magnesium, sodium, aluminum, & Ca ++ |
interstinial mucosa | releases secretin into bloodstream |
liver form | UREA- a metabolic waste product excreted in urine |
What are the agents involved in emulsification? | bile salts, phospholipids, and fatty acids |
order of fat absorption | bio emulsification pancreatic epithelial cell membrane C Lacteal/ Lymph- entering the lymphatic system |
feces is | 75% water |